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MDCAT Biology MCQ's Flipbook PDF
MDCAT biology
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Created By: Armghan Saeed
Cell Biology
1 Q.1
Q.2
Q.3
Contrac on and relaxa on are the characteris cs of:
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Nerve cells
D.
Tendors
B.
chromoplasts
D.
all a,b,c
A.
chloroplasts
C.
leucoplasts
✓
A.
Ribosomes
B.
Chromosomes
C.
Peroxisomes
D.
Lysosomes
A.
Peroxisomes
B.
Lysosomes
C.
Glyoxisomes
D.
Primary Lysosomes
The ribosomes are a ached to messenger RNA in the form of group is known as A.
Glycosomes
C.
Mul somes
✓
B.
Polysomes
D.
None of these
The fla ened vesicles which arrange themselves to form grana and intergrana are: A.
Alkaloids
B.
Thaloids
C.
Thylakoids
D.
Golgi complex
There are _________ kinds of ribosomes submits found in living things
✓
A.
2
B.
3
C.
4
D.
5
The primary wall is composed of cellulose and some deposi on of pec n and:
✓
A.
hemicelluloses
B.
silica
C.
lignin
D.
chi n
Membrane bound, mostly pigment containing bodies, present in the cells are called
✓
A.
Plas ds
B.
Chromatophores
C.
Leucoplast
D.
Starch grains
The ground substances of the cytoplasm is
✓
A.
Cytosol
B.
Protoplasm
C.
Nucleoplasm
D.
Karyolymph
The chromosomes become condensed, nuclei disappeared during A.
Diplotene
C.
Zygotene
✓
B.
Diakinesis
D.
Leptotene
The cell consisted of basic parts. i.e. nucleus, the fluid (cytoplasm) surrounding the nucleus, and an outer thin covering or membrane (plasma membrane) was found by:
✓ Q.13
B.
Gland Cells
De-Duve and coworkers isolated par cles from liver cells and other ssues which were enriched with oxida ve enzyme, these are called
✓ Q.7
Muscle cells
C.
In man, each cell contains 46:
✓
Q.5
A.
The main types of plas ds are:
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A.
August weismann
B.
Louis pasteur
C.
Schwann & Schleiden
D.
Lorenz Oken
The pairing of homologous chromosomes is completed in:
✓
A.
leptotene
B.
zygotene
C.
pachytene
D.
diplotene
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When and electron pair is shared between two atoms, the resultant bond is
✓
A.
Covalent bond
B.
Ionic bond
C.
Pep de bond
D.
None of these
B.
G1-phase
D.
G2-phase
Which of the period of metabolically ac ve during cell division A.
M-phase
C.
S-phase
A.
one in one hundred
B.
one in one thousand
C.
one in many thousand
D.
one in ten thousands
The first essen al phenomenon of meiosis is the: A. C.
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Chromosome separa on
A.
Single membrane
C.
Non membranous
B.
Chromosome appearance
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D.
Pairing of chromosomes
✓
B.
Double membrane
D.
None
B.
Animals cells
✓
D.
All of these
B.
Stem cells pines
✓
D.
Cork piece
Peroxisomes are present in which of these cells A.
Plants cells
C.
Yeast cells
Cell in biological sciences was discovered from A.
A leaf ssue
C.
Shoot apical meristem
It is nucleolus where ribosomes are assembled and are then exported to the cytoplasm via: A.
Nuclear holes
C.
Nuclear pores
✓
B.
Nuclear stoma
D.
Nuclear apertures
In mul cellular organisms there is a division of labour among:
✓
A.
systems
B.
organs
C.
organelles
D.
cells
The stage that may last of days weeks or even years is: A.
leptotene
B.
zygotene
C.
pachytene
D.
diplotene
Mito c apparatus is organized in
✓
A.
Prophase
B.
Anaphase
C.
Metaphase
D.
Telophase
B.
Zygotene
D.
Diakinesis
Synapsis takes place during A.
Leptotene
C.
Pachytene
✓
Centrioles are the main organelles of
✓ Q.27
Size of chromosome
Envelope of chloroplast is
✓ Q.24
✓
The chance of teenage mother having downs syndrome child is:
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A.
Bacteria
B.
Mycelial fungi
C.
Any plant cell
D.
Algal cells
The resolu on of electron microscope ranges from
✓
A.
2-4 Angstrom
B.
3-5 Angstrom
C.
2-3 Angstrom
D.
5-7 Angstrom
One μm is:
✓
A.
0.000,001 meter
B.
1x10-6of a metre
C.
0.000,0001 meter
D.
both a & b
In unit membrane model, the part of phospholipids a ached to globular protein is
✓
A.
Hydrophilic
B.
Hydrophobic
C.
Hydrosta c
D.
Lipid soluble
Conversion of proteins and lipids into glycoproteins and glycolipids is carried out by A.
Peroxisomes
B.
Glyoxysomes
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A.
3 Microtubules
C.
7 Microtubules
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5 Microtubules
✓
D.
9 Microtubules
RNA
B.
Genes
C.
Proteins
D.
Lipids
B.
nerve cells
D.
bone cells
muscle cells Brain cells
✓
Size and number of mitochondria depends upon A.
Cell shape
B.
Cell size
C.
Cell ac vity
D.
None of these
All the living content of a eukaryo c cell is called:
✓
A.
Proplasm
B.
Nucleoplasm
C.
Cytoplasm
D.
Cytosol
During cell frac ona on various parts of the cells are separated by
✓ Q.37
B.
The cells which contract and relax are:
✓
Q.36
Golgi apparatus
A.
C.
Q.35
D.
The chromosomes are composed of DNA and
A. Q.34
✓
In cross sec on each centriole consists of a cylindrical array of:
✓ Q.33
Mitochndira
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A.
Dis lla on
B.
Isola on
C.
Centrifuga on
D.
Filtra on
The processed enzymes are budded off as Golgi vesicles and are called as: A.
Secondary lysosomes
C.
Ter ary proteins
✓
B.
Primary lysosomes
D.
Primary proteins
B.
Replica on of DNA
D.
All
The cell cycle includes A.
Period of growth
C.
Division of cell
✓
Finger-like extensions of the cell surface membrane some animal cells:
✓
A.
Microvilli
B.
Microtubules
C.
Microfilaments
D.
Microprocesses
The processed enzymes are budded off from Golgi Bodies as Golgi vesicles these are
✓
A.
Primary Lysosome
B.
Secondary Lysosome
C.
Peroxisome
D.
Glyoxisome
The factory of ribosome is the nucleus. while that or protein synthesis is the: A.
peroxisomes
C.
ribosomes
✓
B.
glyoxisomes
D.
lysosomes
The ribosomes exist in two forms, wither freely dispersed in cytoplasm of a ached with: A.
rough endoplasmic re culum
C.
smooth endoplasmic re culum
✓
B.
mitochondria
D.
lysosomes
Interphase can further be divided into:
✓
A.
G1-Phase, S-Phases and G2-Phase
B.
G1-Phase, G2Phase, and G3-Phase
C.
S1-PLhase , S2-Phase and S3-Phase
D.
S1-Phases, G-Phase and S2- Phase
B.
In the chromosomes
D.
Along the golgi apparatus
DNA is the double stranded molecule present A.
In the centromere
C.
In the nuclear membrane
✓
Membrane bounded green pigment containing bodies present in the cells are called as:
✓
A.
Plas ds
B.
Chloroplasts
C.
Chromoplasts
D.
Leucoplasts
Which one of the following is not a func on of smooth endoplasmic re culum? A.
Metabolism of drugs and toxins in liver
C.
Conduc on of impulses in muscle
✓
B.
Synthesis of proteins
D.
Synthesis of steroids
...................... disease is because of absence of par cular enzyme that is involved in the catabolism of lipids.
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Niemann-pick
C.
Tay-Sach's
D.
Watson's
B.
Secondary lysosome
✓
D.
Autophagosome
✓
B.
ADP
D.
All of these
A.
Phagosome
C.
Residual body
A.
ATP
C.
NADPH
A.
Arms & centromeres
C.
Arms & chroma ds
✓
B.
Arms & legs
D.
Legs & Centromeres
Stroma is fluid in the chloroplast which surrounds: A.
Granum
B.
Intergranum
C.
Thylakoids
D.
Both a & b
In klinefelter'' syndrome male will have: A.
Ill sperm
B.
No sperm
C.
Sperm but lethargy
D.
100% healthy sperm
Squint eyes and broad face are feature of
✓
A.
Down's syndrome
B.
Turner's syndrome
C.
Klinefelter's syndrome
D.
Edward's syndrome
In tuner's syndrome one_______ chromosome is missing:
✓
A.
X
B.
Y
C.
Autosome
D.
Pair of chromosome
The concept that cell membrane is composed of lipid bilayer sandwiched between protein layers A.
Leaflet model
C.
Fluid-mosaic model
✓
B.
Unit membrane model
D.
Beams of blue and red light
The organelle which is present only during a short period in the germina on of the lipid- rich seed is:
✓
A.
glyoxysome
B.
peroxisome
C.
ribosome
D.
lysosome
B.
Rudolf virchow
D.
Weismann
Ideal of cell division was given by: A.
T. Schewn
C.
Pasteur
✓
Mitosis is a division that produces
✓
A.
Two cells
B.
Four cells
C.
Two nuclei
D.
Four nuclei
B.
Polynucleo de
D.
None of these
The double stranded and long chain of DNA molecule is called A.
Polypep de
C.
Polysaccharide
✓
In Klinefilter's syndrome A.
One X chromosome missing
B.
Sex chromosome fail to segregate
C.
Addi onal sex chromosome is present
D.
None of these
Accumula on of lipids in brain cells lead to mental retarda on and even:
✓ Q.62
B.
Under a compound microscope, chromosomes appear to be made of:
✓ Q.61
Hunters's
The spent energy is in the form of
✓ Q.53
A.
Lysosome ea ng cell's own parts is
✓ Q.52
Page 4
A.
bereavement
B.
demise
C.
Physical disability
D.
death
Following the G1 is the S-Phase during which the DNA is synthesized and chromosomes number is:
✓
A.
doubled
B.
tripled
C.
four folded
D.
none
Nucleus is only visible when the cell is in:
✓
A.
non-dividing stage
B.
dividing stage
C.
growing stage
D.
embryonic stage
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Lyso means
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A.
Break down
C.
Destruc on
✓
B.
Disrup on
D.
Spli ng
The sequence in the cell cycle is
✓
A.
G1, S, G2, M
B.
S, M, G1, G2
C.
S, G2, M, G1
D.
G2, S, M, G2
In which of the following unit these dimension costan of subcellular par cle is expressed. A.
Newton
C.
gm ml-1
✓
B.
Svedberg
D.
Dalton
In _____ century very li le informa on was added to concept of cell
✓
A.
18th
B.
20th
C.
17th
D.
19th
B.
Protein is synthesised
D.
All of the above
B.
F1par cles
D.
All of these
Important of mitochondria is due to: A.
Supply energy
C.
Self replica ng
✓
Mitochondria contains A.
Cristae
C.
Ribosomes
✓
Other than nucleus of the cell, which one of the organelle also contains DNA? A.
ribosomes
C.
golgi bodies
✓
B.
lysosomes
D.
mitochondria
The gene c material (DNA) is without any membrane covering in:
✓
A.
Prokaryo c Cells
B.
Eukaryo c Cells
C.
Both a & b
D.
None
B.
Primary wall
D.
both a and b
Pec n substances are found in A.
Middle lamella
C.
Secondary wall
✓
Chromosomes exchange their parts in meiosis, this phenomenon is called as A.
Linkage
C.
Linked genes
✓
B.
Crossing over
D.
Metastasis
Under light microscope, chloroplasts appear to be heterogeneous structures with small granules known as. A.
crumb
C.
grana
✓
B.
pellet
D.
morsel
Meiosis was discovered and described for the first me in
✓
A.
Sea urchin eggs
B.
Frog embryo
C.
Human cells
D.
Fish cells
Incidence of which kind of cancer is most common in females?
✓ Q.77
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A.
Lungs
B.
Skin
C.
Breast
D.
Stomach
DNA base units are accumulated for replica on in which of these phases?
✓
A.
G1
B.
S
C.
G2
D.
Anaphase
Glyoxisomes are most abundant in germina ng seedlings where their enzymes convert stored fa y acids to: A.
Glycerols
C.
Succinate
✓
B.
Carbohydrates
D.
Proteins
B.
Hooke
D.
Rudolf virchow
B.
80s
Cwell originate: A.
By fermenta on
C.
Leeuwenhoek
✓
The ribosomes in prokaryotes are
✓
A.
70s
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Microtubules
C.
Intermediate filaments
✓
B.
Microfilaments
D.
All these
A.
Autosomy
B.
Autophagy
C.
Autolysis
D.
Lysosome
A.
Metabolism
C.
Anabolism
✓
B.
Catabolism
D.
All these
A.
DNA cycle
B.
Nuclear Cycle
C.
Cell cycle
D.
Chemical Cycle
In tumor breaks & spreads to other parts of body through blood stream of lympha c system causing secondary tumors is called: A.
Benign
B.
Mitosis
C.
Metastasis
D.
Apoptosis
The two centrioles are usually placed at _______ angle to each other? A.
acute
B.
right
C.
obtuse
D.
none
B.
Cell division is not under control of individual body Blockage of blood vessel
Cancer is the type of swerve disease literally, in which A. Cell division is under control of individual body C. Differen ated ssue is formed At the beginning of mitosis in animal cell, the par
✓ Q.89
A.
The series of changes which involve period of growths replica on of DNA, followed by cell division may be named as:
✓ Q.87
30s
All the chemical reac ons taking place in a cell are collec vely called
✓ Q.86
D.
Self-diges on of a cell by releasing the contents of lysosomes withing the cell:
✓ Q.85
50s
The cylinder made up of contrac le ac n protein and involved in internal cell mo on is
✓ Q.83
Page 6
✓
D.
on of the _______ takes place.
A.
Centromere
B.
Chromosomes
C.
Centriole
D.
Chroma d
B.
Starch
D.
Glycogen
Animals obtain carbohydrates mainly from A.
Glucose
C.
Sucrose
✓
Glucose is synthesized in the:
✓
A.
The stroma of chloroplast
B.
The granum of chloroplast
C.
The thylakoids of the chloroplast
D.
The interregnum of the chloroplast
The process by which various components of cells including its organelle can be isolated is called A.
Cell frac oning
C.
Homogeniza on
✓
B.
Ultra centrifuga on
D.
Centrifuga on
B.
Lungs
D.
Muscles
In the disease glycgenosis Type || ,glycogen fills the liver and: A.
Pancreas
C.
Kidneys
✓
In prokaryotes size of ribosome is _______ is
✓
A.
70
B.
80
C.
40
D.
60
B.
Proteins
D.
Vitamins
Cell membrane has 60-80% A.
Lipids
C.
Carbohydrates
✓
Q.95
Which of the following statements is true about the sunit membrane model: A. The protein molecules are present above the B. The protein molecules are present below the lipid layers lipid layers C. The protein molecules are present below the ✓ D. The protein molecules are present both lipid layers above and below the lipid bilayer
Q.96
Crossing over occurs at which stage A.
Two strand stage
✓
B.
Four strand stage
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B.
Silica
C.
waxes
D.
all, a,b,c
A.
Golgi bodies
B.
RER
C.
SER
D.
Nucleus
A.
Cell theory
B.
Germ theory of disease
C.
Koch's postulate
D.
None of these
A.
Lipoprotein
C.
Glycoproteins
✓
B.
Glycolipids
D.
Lipopolysaccharides
A.
prophase
B.
metaphase
C.
anaphase
D.
telophase
Various parts of the cells are separated by spinning the disrupted cells in a special medium in a
✓
A.
Centrifuge
B.
Ultracentrifuge
C.
Pestle and morter
D.
All these
B.
Meristema c
D.
Sclerenchymatous
Cells producing new cells for growth and development A.
Chlorenchymatous
C.
Parenchymatous
✓
Robert Hooks reported his work in his famous publica on A.
Micrographia
B.
Biologia
C.
Zoologica
D.
Britannica
Many of the membrane bound structures e.g, mitochondria, endoplasmic re culum, Golgi bodies and chloroplasts etc., are absent in: A.
Prokaryo c cell
C.
Eukaryo c cell
✓
B.
Bacteria
D.
Both a & b
Crossing over produces gene c varia ons necessary for: A.
Muta on
B.
Abnormali es
C.
Evolu on
D.
Non-disjunc on
Blebs are formed during A.
Cell Division
B.
Meiosis
C.
Apoptosis
D.
Necrosis
Nucleus is stained with
✓
A.
Basic dyes
B.
Neutral dyes
C.
Acidic dyes
D.
None of these
Growth and development of plant is the func on of:
✓
A.
Meristema c Cells
B.
Chlorenchymatous Cells
C.
Parenchymatous Cells
D.
Sclerenchymatous cells
The affected individuals have one missing X chromosome with only 45 chromosomes in: A.
klinefelter's Syndrome
C.
Down's syndrome
✓
B.
Turner's syndrome
D.
Sach's syndrome
The chance of teenage mother having down's syndrome child is one in:
✓ Q.112
inorganic salts
The most cri cal phase of the mitosis is:
✓ Q.108
A.
Several congenital disease have been found to be due accumula on with in the cell of substances such as glycogen or various :
✓ Q.107
Can never occur in two strand stage
One of the most fundamental generaliza on in biology is
✓ Q.105
D.
Lysosomes are formed from
✓ Q.102
Could occur in both two and four strand
Chemically secondary well is composed of:
✓ Q.99
Page 7
A.
Hundred
B.
Five hundred
C.
Many thousands
D.
Ten
The organelle specifically involved in forma on and decomposi on of hydrogen peroxide in the cell A.
Lysosomes
✓
B.
Peroxisomes
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Doing one's own role
C.
Some will work, others will take rest
A.
Lipids
C.
Fats
Dedoxifica on of harmful drugs ia the func on of:
✓
All these
B.
Sharing out of jobs
D.
First come first get
A.
RER
C.
both RER and SER
✓ ✓
B.
Proteins
D.
Carbohydrates
B.
SER
D.
Mitochondria
During mitosis, cell may passes from one of the following phases A.
Cytokinesis and telophase
C.
Anaphase
The cells which store surplus food in plants are: A.
Sclerenchymatous cells
C.
Parenchymatous cells
✓ ✓
B.
Cytokinesis and karyokinesis
D.
Non form the avobe
B.
Chlorenchmatous cells
D.
Collenchymatous cells
Endocytosis which inges on of liquid material is, called pinocytosis.
✓
A.
Pinocytosis
B.
Phagocytosis
C.
Liquid Ocytosis
D.
Both a & c
Cell theory is formed by which reasoning
✓
A.
Induc ve
B.
Deduc ve
C.
Both A,B
D.
Predic ve
The cell was discovered by: A.
Lamarck
B.
Lorenz Oken
C.
Robert Hooke
D.
Robert Brown
Cells membrane allows only selec ve substances to pass through it, thus it is known as: A.
differen ally permeable
C.
semi-permeable
✓
B.
selec vely permeable
D.
all a, b, c
Under electron microscope, a chloroplast shows three main components i.e.,i) the envelope,ii) the stroma and iii) the: A.
cytoskeleton
B.
thalloid
C.
ergot
D.
thylakoid
What is the self-replica ng organelle in the cell
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A.
D.
The presence of ribosomes and DNA in mitochondria indicates the synthesis of
✓ Q.123
Glyoxysomes
Division of labour means:
✓ Q.121
Page 8
A.
Centrioles
B.
Vacuols
C.
Mitochondria
D.
Chloroplast
B.
Primary wall
D.
All these
Which one of followings is described as true wall? A.
Middle lamella
C.
Secondary wall
✓
The nuclear membrane is actually a nuclear envelope composed of: A.
one membrane
C.
three membranes
Haploid chromosomes number (n) is present in: A.
Germ cells
C.
Both a & b
✓ ✓
B.
two membranes
D.
four membranes
B.
Gametes
D.
Soma c cells
Q.127
Glandular cells can be differen ated from non glandular cells on the basis of B. glandular cells have more number of A. glandular cells have large nuclei mitochondria ✓ C. high amount of rough endoplasmic re culum D. glandular cells have dense cytoplasm
Q.128
Ac ve transport is due to A. C.
Thermal diffusion Phagocytosis
✓
B.
Concentra on gradient
D.
ATPase pumps
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The resolu on of electron microscope ranges between
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A.
2 - 4 um
B.
2 - 4 nm
C.
2-4A
D.
4-6A
They are present in ripened fruit
✓
A.
Chromoplast
B.
Leucoplast
C.
Choloroplast
D.
All of these
B.
Plants
D.
Organisms
Cell is the basic structural as well as func onal unit for all: A.
Microorganisms
C.
Animals
C.
Q.135
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✓
B.
Algae
D.
Plants
A.
amitosis
B.
regenera on
C.
mitosis
D.
replacement
B.
10 hours
D.
4.5 hours
A.
30 minutes
C.
9 hours
✓
Modifica on of proteins and lipids into glycoproteins and glycolipids occurs in:
✓
A.
Golgi Appaaratus
B.
SER
C.
Chloroplast
D.
Mitochondria
Highest mortality rate is in which cancer?
✓
A.
Lungs
B.
Breast
C.
Prostrate
D.
Skin
B.
Patau's
✓
D.
All of these
✓
B.
Ribosomes
D.
Peroxisomes
Which of following is trisomy syndrome A.
Down's
C.
Edwards's
Palade was the first person to study the: A.
Lysosomes
C.
Polysomes
Golgi apparatus is concerned with cell: A.
Emission
B.
Oozing
C.
Secre on
D.
Discharge
Plants do not have _________ in their cells
✓ Q.141
Fungi
The S phase during human cell cycle is
✓ Q.140
Animals
Meiosis II is j ust like the:
✓ Q.134
✓
Peroxisomes have also been found in protozoa, yeast and many cell types of higher : A.
Q.133
Page 9
A.
Protein
B.
Starch
C.
Glycogen
D.
All of these
In 1965, peroxisomes were isolated form liver cells and other ssues by: A.
De-Duve and co-workers
C.
Palade
Cell plate in plant cell is: A.
Protoplast
C.
Chloroplast
B.
DeDuve
✓
D.
Lorenze Oken
✓
B.
Phragmoplast
D.
Chromoplast
When the genes controlling cell division become abnormal due to muta on or abnormal ac va on they are called A.
Retrogenes
C.
Mitogenes
✓
B.
Oncogenes
D.
None
The number of chromosomes in all individuals of the same species remains constant: A.
Genera on a er genera on
C.
Organism a er organism
✓
B.
Individual a er individual
D.
Popula on a er popula on
B.
Proteins
Cell membrane has 20-40%: A.
Carbohydrates
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Vitamins
A.
Two
C.
Eight
✓
B.
Six
D.
Four
A.
Downs syndrome
B.
Mongolism
C.
Turners syndrome
D.
Klinefelters syndrome
The cell cycle is comprised of sfwo phases of periods:
✓
A.
interphase & mito c phase
B.
interphase & interphase
C.
mitosis & meiosis
D.
amitosis & mitosis
B.
pep doglycan
✓
D.
sacculus
✓
B.
Brain
D.
Skin
Prokaryo c cell wall lacks: A.
cellulose
C.
murein
Part of our body having 85% water A.
Bones
C.
Muscles
The cell death due to ssue damage is called: A.
apoptosis
C.
autophagocytosis
✓
B.
necrosis
D.
both a & b
Cell wall in plant cells is secreted by which? A.
Nucleus
B.
Cell membrane
C.
Protoplasm
D.
Nucleoplasm
The most common lipid is:
✓ Q.154
D.
Complete absence of germ cells is found in pa ents of
✓ Q.153
Lipids
At the end of meiosis _________ number of daughter cells are formed.
✓ Q.148
C.
Page 10
A.
Glycolipid
B.
Cholesterol
C.
Phospholipid
D.
Terpenoids
According to Robert Hook cell is
✓
A.
An empty space
B.
Filled with cytoplasm
C.
Vesicle
D.
Nucleated
Single membrane bounded organelle is
✓
A.
Lysosome
B.
Nucleus
C.
Ribosome
D.
Mitochondrion
The outermost layer in the animal cell that lies beneath the cell wall in plant cell is: A.
Plasma membrane
C.
Tissue membrane
Meiosis takes place in: A.
Haploid cells
C.
Both a & b
The covalent bond between two monosaccharides is bond A.
Pep de
C.
Hydrogen
Precursors of ribosomal subunits are found in A.
Nucleus
C.
Central fibril area of nucleolus
B.
Cell Membrane
✓
D.
Both a & b
✓
B.
Diploid cells
D.
None of these
✓ ✓
B.
Glycosidic
D.
Digester linkage
B.
Peripheral area of nucleolus
D.
Cytoplasm
The en re cell wall of prokaryotes is o en regarded as a single huge molecule or molecular complex called: A.
Murein
C.
Lagena
✓
B.
Cochlea
D.
Sacculus
According to Robert Hooke, the empty space bounded by a thick wall is called A.
Cytosol
C.
Cytoplasm
✓
B.
Cell
D.
Nucleus
Long, unbranched, slender, tubulin protein structures are:
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intermediate filaments
D.
none
A.
Lung cancer
B.
Liver cancer
C.
Heart a ack
✓
D.
Skin cancer
A.
prophase
C.
anaphase
✓
B.
metaphase
D.
telophase
A.
Myomere
C.
Centromere
✓
B.
Centrosome
D.
Centruple
Regenera on, healing of wounds and replacement of older cells all are the mito c. A.
Apparatus
B.
Injuries
C.
Gi s
D.
None of these
Which statement about the nuclear envelop is not true? A.
It has pores
B.
it is a double membrane structure
C.
Its inner membrane ears ribosomes
D.
RNA and some proteins pass through it
The cell wall of prokaryo c cell is composed of polysaccharide chains bounded covalently to shorter chains of amino acids forming: A.
Pep doglycan
B.
Murein
C.
Both a & b
D.
Lipoprotein
B.
Colourless plas ds
D.
Chromatophores
B.
Phagocytosis
D.
Both b & c
Leucoplasts are: A.
Plas d of variable colors
C.
Proplas ds
✓
Endocytosis which involves inges on of solid material is called: A.
Pinocytosis
C.
Solidocytosis
✓
Robert Brown discovered:
✓
A.
Nucleus
B.
Nucleolus
C.
Cell wall
D.
Mitochondria
Eukaryo c ribosomes are composed of almost and equal amount of:
✓
A.
RNA & protein
B.
DNA & protein
C.
RNA & Lipid
D.
RNA & Carbohydrates
The cells which carry out photosynthesis are:
✓
A.
Sclerenchymatous cells
B.
Chlornechymatous cells
C.
Parenchymatous cells
D.
Collenchymatous cells
Who hypothesized that new cells were formed only by the division of perviously exis ng living cells. A.
Lorenz Oken
C.
August Weismann
✓
B.
Rudolph Virchow
D.
Louis Pasteur
The process of taking in material by enfolding in the form of vacuoles is
✓
A.
Endocytosis
B.
Phagocytosis
C.
Pinocytosis
D.
Cytosis
B.
Palade
D.
Hooke
The first person to study ribosomes was A.
De Duve
C.
Golgi
✓
Crossing over and random assortment of chromosomes are tow significant happenings of
✓ Q.178
microtubules
B.
Each chromosome consists of two iden cal chroma ds at the beginning of cell division which are held together at:
✓ Q.169
C.
✓
Mito c apparatus disorganize, nucle man brane and nucleoli organize, forming two nucle at two poets of the cell in:
✓ Q.168
microfilaments
Ultraviolet radia on is leading cause of
✓ Q.167
A.
Page 11
A.
mitosis
B.
amitosis
C.
meiosis
D.
all a, b, c
B.
Prophase
The phase of mitosis with two daughter nuclei in parent cell is A.
Anaphase
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Q.191
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C.
RNA and protein
✓
D.
(b) & (c) are correct
A.
10° C
B.
1° C
C.
2° C
D.
5° C
B.
Nucleolus
D.
Genes
B.
Chi n
D.
Proteins
A.
Nucleus
C.
Chromosomes
A.
Pep doglycan
C.
Cu n
✓ ✓
A.
primary wall
B.
secondary wall
C.
middle lamella
D.
al a,b,c
A.
Ernst Hackle
C.
Lorenz Oken
✓
B.
Robert Koch
D.
Louis Pasteur
A.
mRNA
B.
tRNA
C.
rRNA
D.
DNA
Cell membrane is chemically composed of:
✓
A.
Lipids & proteins
B.
Lipids & carbohydrates
C.
Proteins & Nucleic acids
D.
Proteins & Fa y acids
Haem has a central atom of which of the following elements A.
Mg
B.
Na
C.
Fe
D.
K
Vacuoles serve to A.
Expand the plant cells
B.
Sites for storage
C.
Both in expension and storage
D.
None of these
Micrographia is the famous publica on of Robert Hooke for the discovery of A.
Mitochondria
B.
Cell membrane
C.
Cell
D.
Genome
B.
Hooke
D.
Rudolf virchow
Who gave the statement omnis cellula e cellula: A.
Drawin
C.
Leeuwenhoek
✓
The cells which give support to the plant are:
✓
A.
Sclerenchymatous cells
B.
Parenchymatous Cells
C.
Parenchymatous cells
D.
Collenchymatous cells
SER also helps in metabolism of a number of different types of molecules, par cularly: A.
Carbohydrates
B.
Proteins
C.
Lipids
D.
None of them
Leucoplasts are found in the underground parts of the plant and store. A.
water
B.
oxygen
C.
glycogen
D.
food\
Their membranes vary widely in appearance form cell to cell
✓ Q.195
Ribonucleoprotein
The func on of nucleolus is store:
✓ Q.194
B.
Who (1805), believed that "all living beings originate form or consist of vesicles of cells:
✓ Q.193
Telophase
A true wall that develops in newly growing cells is:
✓ Q.190
Only Portein
Fungai cell wall contains
✓ Q.189
A.
New ribosome are assembled in
✓ Q.188
D.
Evapora on of only two ml of water out of one liter lowers the temperature of remaining water by
✓ Q.186
✓
Ribosomes are chemically composed of :
✓ Q.184
Metaphase
Page 12
A.
Golgi bodies
B.
Mitochondria
C.
E.R
D.
None of these
The individual have addi onal sex chromosome in:
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A.
Klinefelter's syndrome
B.
Turner's syndrome
C.
Down's syndrome
D.
Sach's syndrome
Cell wall is secreted by the:
✓
A.
nucleoplasm
B.
protoplasm
C.
centrioles
D.
glyoxysomes
The microtubules in mito c apparatus are composed of a protein tubulin and traces of ________: A.
DNA
C.
Amino acid
Q.202
Q.203
Q.204
Q.205
✓
Q.207
Q.210
Lipids
Autosomal non-disjunc on
B.
Zygo c non-disjunc on
C.
Failure of crossing over
D.
Muta on
B.
Metaphase
D.
Telophase
A.
Prophase
C.
Anaphase
✓
They are enclosed in their own membrane They are concerned in the cisternal space of RER
They are a ached to the cisternal surface
A.
Lignin
C.
Hemicellulose
✓
B.
Silica
D.
Chi n
B.
spherical
D.
both a and b
The shape of nucleus may be A.
irregular
C.
elongated
✓
Chlorophyll is an
✓
A.
Organic molecule
B.
Inorganic molecule
C.
Protein
D.
Carbohydrate
B.
Lipids and proteins
D.
Sugar and proteins
Cell membranes are composed mainly of: A.
Starch and lipids
C.
Sugar and lipids
✓
A microscope of 10x ocular lense & 40x objec ve lense would have a magnifica on power of: A.
40x
B.
10x
C.
400x
D.
50x
Golgi complex is concerned with
✓
A.
Cell secre ons
B.
Synthesis of proteins
C.
Synthesis of enzymes
D.
Forma on of ribosomes
Peroxisomes were isolated from which of these cells A.
Pancrea c cells
B.
Skin cells
C.
Liver cells
D.
None of these
Each metaphases chromosomes is a duplicated structure which costs of two sister chroma ds, a ached at a point called: A.
centromere
B.
primary constric on
C.
both a & b
D.
secondary constric on
Which one of following is not func on of mitosis
✓
A.
Sexual reproduc on
B.
Regenera on
C.
Healing of wounds
D.
Replacement of older cells
Mitosis is a con nuous process but conveniently it may be divided into_______phases.
✓ Q.211
D.
The primary cell wall is composed of cellulose and some deposi on of pec n and:
✓ Q.209
RNA
Which of the following statements about ribosomes is corect: A. They are chemically composed of DNA and B. protein ✓ C.
✓ Q.208
B.
A.
Equatorial or metaphase plate indicates
✓ Q.206
✓
Mongolism is a type of disease in man due to
D. Q.201
Page 13
A.
Two
B.
Three
C.
Four
D.
Five
Biologists have divided cell into two types:
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B.
Prokaryo c & Eukaryo c
D.
Eubacteria & Probacteria
A.
Cell membrane
B.
Plasma membrane
C.
Unit membrane
D.
Fluid mosaic membrane
A.
Meio c & apparatus
C.
Both a & b
A.
Vacoule
C.
Lysosomes
The me required to full life cycle of yeast cells is A.
120 seconds
C.
80 seconds
I can break down fa y acid to succinate A.
Peroxisome
C.
Lysosome
✓ ✓ ✓ ✓
B.
Mito c apparauts
D.
None of these
B.
Plas ds (chloroplast)
D.
Cell membrane
B.
90 seconds
D.
50 seconds
B.
Glyoxisome
D.
Golgi bodies
Nucleus is surrounded by a nuclear membrane which separates the nuclear material form the:
✓
A.
cell membrane
B.
cytoplasm
C.
cell wall
D.
mitochondria
Red blood cells carry: A.
Hydrogen
B.
Carbon
C.
Nitrogen
D.
Oxygen
The most common carcinogenic radia ons are A.
Ionizing radia ons
B.
X-rays
C.
U.V . rays
D.
Gamma rays
Most important organic compounds in living organisms are
✓
A.
Carbohydrates
B.
Proteins
C.
Lipids
D.
All these
During Anaphase the separa on of homologous chromosomes is
✓
A.
random
B.
hit and miss
C.
arbitrary
D.
haphazard
Cellulose molecules are arranged in a :
✓ Q.223
Parazoa & Metazoa
The magnesium rich organelle of plant cell is
✓ Q.220
C.
✓
The specialized microtubules structure including aster and spindle is called:
✓ Q.219
Haploid & Diploid
Lipid bilayer is sand-witched between two protein layers, this is
✓ Q.213
A.
Page 14
A.
Random Arrangement
B.
Pecullar Arrangement
C.
Criss-cross Arrangement
D.
Straight fibres arrangement
Exact replica of chromosome refers to
✓
A.
Chroma d
B.
Centromere
C.
Kinetochore
D.
Arms
Who (1862) supplied experimental proof for virchows hypothesis by demonstra ng that microorganisms (i.e, bacteria) could be formed only form exis ng microorganisms (bacteria): A.
August Weismann
C.
Schwann & Schleiden
✓
B.
Louis Pasteur
D.
Lorenz Oken
Golgi bodies are absent in:
✓
A.
Prokaryotes
B.
RBCs
C.
Sieve tubes
D.
Lysosomes
Nuclear membrane is absent, therefore, prokaryo c cell has no dis nct:
✓
A.
Mitochondria
B.
Ribosomes
C.
Nucleus
D.
Lysosomes
The cell theory states that all living beings animals and plants are composed of cell and: A.
Chemical Products
B.
Solar Products
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Q.230
C. A.
Microtubules
C.
Intermediate filaments
Q.233
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Foreign Products
B.
Microfilaments
D.
All of these
A.
Growth
C.
Embryonic development
✓
B.
Produc on of gametes
D.
Wound repair
The cell organelles enriched with oxida on enzymes such as peroxide, catalase and glycolic acid oxidase is called: Polysome Centrosomes
✓
B.
Glyoxisome
D.
Peroxisome
The microtubules are composed of a protein tubulin and traces of: A.
DNA
C.
NAD
✓
B.
RNA
D.
FAD
B.
Respira on occurs in mitochondria
D.
All living plant cells contain chlorophyll
Mark the incorrect statement: A.
Cell walls are generally made up to cellulose
C.
All cells do not contain true nucleus
Tissue culture and cloning processes are the examples of A.
Meiosis
C.
None of these
✓ ✓
B.
Mitosis
D.
Both a and b
Each centriole contains
✓
A.
9 microtubules
B.
27 microtubules
C.
6 microtubules
D.
10 microtubules
Centrioles play important role in the loca on of furrowing during cell division, and in the forma on of: A.
cirri
C.
cilia
✓
B.
pseudopodia
D.
flagella
B.
Parenchymatous cells
✓
D.
Chlorenchymatous cells
B.
Vesicles
✓
D.
All these
B.
Gel
D.
Cytosol
The photosynthe c cells of green plants are also called: A.
Meristema c Cells
C.
Sclerenchymatous Cells
Under compound microscope the mitochondria appear as A.
Rods
C.
Filaments
The soluble part of the cytoplasm is called: A.
Stroma
C.
Matrix
✓
What makes a cell to commit suicide
✓ Q.240
✓
D.
Which of the following is not a func on of mitosis in humans
C.
Q.232
Cell Products
Amoeboid movements are done by
A. Q.231
Page 15
A.
Presence of -ve signals
B.
Absence of posi ve signals
C.
Both of these
D.
Suicide is spontaneous
Nuclear outer membrane is con nuous with
✓
A.
E.R
B.
Golgi bodies
C.
Centrioles
D.
Both a and b
B.
Male
D.
Both a & b
Klinefelter's syndrome usually occurs in: A.
Female
C.
None of these
✓
Nucleus is o en stained with a
✓
A.
Basic dye
B.
Acidic dye
C.
Neutral dye
D.
Both basic and acidic dyes
the zygotene stage, also known as zygonema, from Greek word meaning A.
Thin threads
C.
Homologous
✓
B.
Paired threads
D.
None of them
Accidental cell death is called:
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Q.246
Q.247
A.
Apoptosis
C.
Metastasis
A.
20 chromosomes
C.
22 chromosomes
XYY condi on is called A.
Patau's syndrome
C.
Turner's syndrome
Q.250
Q.251
Q.254
Q.255
Q.256
Q.257
Q.258
Q.259
D.
Malignancy
✓ ✓
B.
21 chromosomes
D.
24 chromosomes
B.
Edward's syndrome
D.
Jacob's syndrome
Peroxidase Glycolic acid oxidase
✓
B.
Catalase
D.
d-galactase
A.
Common wall between adjacent cells
B.
Common membrane conver ng two adjacent cells Cemen ng material between two adjacent cells
C.
Pore between adjacent cells
✓
D.
Two centrioles are located at _________ degree angle to each other
✓
A.
90
B.
45
C.
60
D.
75
Incidence of which kind of cancer is most common in males?
✓
A.
Prostrate
B.
Lungs
C.
Mouth
D.
Skin
The RNA found in ribosomes in A.
m RNA
B.
t RNA
C.
r RNA
D.
Polysome
Nuclear material is directly submerged in cytoplasm in
✓ Q.253
Necrosis
Middle lamella represents:
✓ Q.252
B.
The enzume not concern with peroxisome C.
Q.249
✓
Downs syndrome (Mongolism) occurs in man, during which 21st chromosome fails to segregate, resul ng gamete with:
A. Q.248
Page 16
A.
Eukaryno c
B.
Plant cell
C.
Prokaryo c
D.
All cells
Microfilaments are considerably more slender cylinders made up of contrac le protein:
✓
A.
Ac n
B.
Myosin
C.
Troponin
D.
Tubulin
Mitosis may be divided into two phases:
✓
A.
karyokinesis & cytokinesis
B.
karyokinesis & diakinesis
C.
diakinesis & cytokinesis
D.
exogenesis & endokinesis
B.
metabolic ac vity
D.
movement
G1 (Gap 1) is the period of: A.
rest
C.
synthesis
✓
The cells which conduct water and mineral salts form soil to the aerial parts of the plant are:
✓
A.
Phloem cells
B.
Xylem cells
C.
Pith cells
D.
Cortex cells
B.
Large
D.
None of these
Size of nucleus in cancerous cell is: A.
Small
C.
Irregular
✓
Glucose and fructose are which of the followings of sugars
✓
A.
Reducing
B.
Non-reducing
C.
Oligosaccharide
D.
Polysaccharide
It is the nucleous where ____________ are assembled and then exported to the cytoplasm via nuclear pores
✓
A.
Glyoxysomes
B.
Mitochondria
C.
Ribosomes
D.
Plas ds
Q.260
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Page 17
The carbohydrates, lipids and proteins synthesized by the endoplasmic re culum are modified as glycolipid and glycoprotein within:
✓ Q.261
Golgi complex
B.
lysosomes
C.
peroxisomes
D.
glyoxysomes
The carbohydrates, lipids and proteins synthesized by the endoplasmic re culum are modified as glycolipid and glycoprotein within: A.
Golgi complex
B.
lysosomes
C.
peroxisomes
D.
glyoxysomes
It is composed of three main layer
B.
Primary wall is composed of cellulose, chi n and lignin The strengthening material of prokaryo c cells wall is:
D.
Middle lamella is first to be formed between two daughter cells It is the outer most boundary of plant cells
✓ Q.262
A.
Which one is not relevant to cell wall? A.
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✓
C.
✓
A.
pep doglycan
B.
murein
C.
cellulose
D.
both a & b
Density gradient centrifuga on separates the materials on the basis of:
✓ Q.265
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✓
Q.273
Q.274
Both a & b
D.
Velocity of movement
B.
Soma c cells
D.
Red blood cells
A.
Sex cells
C.
Both a and b
✓
A.
Extrinsic
B.
Intrinsic
C.
Out-trinsic
D.
End-intrinsic
A.
Ribosome; protein;synthesis
B.
Nucleolus ; Ribosome produc on
C.
Golgi ; Muscle contrac on
D.
Lysosome ; intracellular diges on
A.
100S
B.
110S
C.
80S
D.
90S
Chromoplasts impart colours to the plants other than: A.
Yellow
B.
Red
C.
Green
D.
Blue
Which is the site of light capture in a chloroplast A.
Intergranum
B.
Chloroplast Outer membrane
C.
Chloroplast & mitochondria
D.
None of these
Cells that are _______ are said to be in state of G0
✓ Q.272
C.
Prokaryotes have small sized ribosomes 70S compared to eukaryotes:
✓ Q.271
Density alone
Which of the following pairs of structure-func on is mismatched?
✓ Q.270
B.
Protein molecules embedded on the surface of cell membrane are called
✓ Q.269
Size alone
Cancer is usually caused by muta on in
✓ Q.268
A.
A.
Dividing
B.
Enlarged
C.
Locked
D.
Embryonic
Bacterium may have A.
Pili
C.
Flagellum
Taking in liquid material into the cells is known as A.
Phagocytosis
C.
Exocytosis
B.
Capsule
✓
D.
All of these
✓
B.
Pinocytosis
D.
Both a and b
Which is not true for cholesterol: A. C.
Q.275
Disturbs the close packing of phospholipids B. Keeps phospholipids more fluid Increases flexibility and stability of ✓ D. Breaks up membranes membranes Magnifica on power of a microscope can be determined by ________ the X values of ocular & objec ve lenses A.
Adding
B.
Subtrac ng
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Carotene
B.
Xanthophyll
C.
Chlorophyll
D.
Phycobolin
A.
Centromere
C.
Chroma d
✓
B.
Centrosome
D.
Centromere
A.
Ribosomes
C.
Peroxisomes
✓
B.
Glyoxysomes
D.
Lysosomes
A.
Microtubules
B.
Microfilaments
C.
Intermediate filaments
✓
D.
All these
B.
Cytoplasm
✓
D.
All these
A cell consist of A.
Nucleus
C.
Plasma membrane
The ac ve mass movement of cytoplasm takes place through A.
Streaming
B.
Gliding
C.
Amoeboid
D.
Peroxisomes
Meiosis is the special type of cell division in which the number of chromosome in daughter cells reduces to:
✓
A.
half
B.
one third
C.
one fourth
D.
one fi h
B.
Nucleolus
D.
Ribosomes
The site for synthesis and storage of rRNA A.
Nucleus
C.
Nucleoplasm
✓
------------------------ is the cell division stage when tetrads are found A.
Leptotene
C.
Pachytene
✓
B.
Zygotene
D.
Diplotene
Which statement about the nuclear envelope is not true? A.
It has pores
B.
It is a double membrane structure
C.
Its inner membrane bears ribosomes
D.
RNA and some proteins pass through it
B.
golgi complex
D.
lysosomes
Ribosomes and DNA are also present in: A.
mitochondria
C.
endoplasmic re culum
✓
The free floa ng cells organelles e.g.mitochondria move about in cytoplasm due to cytoplasmic. A.
streaming movements
B.
amoeboid movements
C.
waving movements
D.
circular movements
In differen ated cell such as erythrocytes the number of nuclear pores per nucleus is only:
✓ Q.289
A.
Cytoskeleton is made up of
✓ Q.288
Mul plying
Organelle in plants that possesses enzymes in addi on to glycolic acid oxidase and catalase but not found in animal cells is
✓ Q.286
D.
Under a compound microscope chromosome is made of arms and
✓ Q.282
✓
The green pigment in chloroplasts is an organic compound called
✓ Q.277
Dividing
Page 18
A.
3
B.
4
C.
5
D.
both a & b
B.
Necrosis
D.
None of these
Which is un-programmed death of cells and ssues A.
Apoptosis
C.
Both
✓
Life ac vi es is programmed/ planned in _________:
✓
A.
Apoptosis
B.
Necrosis
C.
Metastasis
D.
Malignancy
B.
Healing of wounds
D.
Malignant tumor
All of the following are the gi s of mitosis except A.
Regenera on
C.
Replacement of older cells
✓
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Polysome is formed during __________ process
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Secre on
C.
Transla on
D.
Division
A.
child
B.
father
C.
mother
D.
bothe b & c
A.
microfilaments
C.
intermediate filaments
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none
B.
26
C.
8
D.
48
A.
Rough endoplasmic re culum
C.
Golgi complex
✓
B.
Mitochondrion
D.
Lysosome
Plasma membrane differen ally permeable or selec vely permeable membrane because: A.
It allow seery molecules to pass though
C.
it never allow any molecule to pas though
✓
B.
Ti allow some molecules o pass though
D.
It helps in ac ve transport
Mental retardar on and even death may be caused if the brain cells accumulate: A.
Glycogen
B.
Proteins
C.
Lipids
D.
Starch
The cell membrane is composed of a lipid bilayer sandwiched between inner and outer layers of proteins. This basic structure is called A.
unit membrane model
B.
Fluid mosaic model
C.
leaflet model
D.
Robertson model
the a achment of tow units of ribosome is controlled by the presence of:
✓
A.
Ca++
B.
Mg++
C.
++
D.
Fe++
B.
Power house of cell
D.
Cell secre ons
Co
Golgi complex is concerned with: Cell ea ng Cell development
✓
In 80 S "S" represents which of the following
✓
A.
Sedimenta on rate
B.
Density
C.
Mass
D.
Weight
One of the following is present near the external surface of the nucleus in animal and some microorganisms and lower plants A.
Centrosomes
C.
Nuclei
✓
B.
Nucleoli
D.
Centrioles
Structure first to be formed between two daughter cell in plants
✓ Q.305
microtubules
16
C.
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B. D.
A.
A. Q.302
✓
Which of eh following cellular organelles breaks down complex macromolecules, such as polysaccharides and proteins:
✓
Q.300
B.
The number of chromosomes in fruity fly, Drosophila melanogaster, is:
✓ Q.299
Transcrip on
Cilia, flagella, basal bodies and centrioles are derived form special assemblies of:
✓ Q.296
A.
Non-disjunc on appears to occur in the ova and related to the age of child:
✓ Q.294
Page 19
A.
Primary cell wall
B.
Secondary cell wall
C.
Middle lamella
D.
Not specific
B.
metaphase l
D.
telophase l
B.
Doubled
D.
Halved
Nuclear membrane disorganized at the beginning of: A.
prophase l
C.
anaphase l
During the s phase the number of the chromosome: A.
Remain same
C.
Triple
✓ ✓
Scheilden and Schwaan found that cell consisted of how many parts?
✓
A.
3
B.
4
C.
5
D.
6
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Organelle is plants that possesses enzymes in addi on to glycolic acid oxidase and catalase but not found in animal cells is
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✓
A.
Ribosomes
C.
Peroxisomes
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D.
Lysosomes
Onion
B.
Garlic
C.
Pea
D.
Potato
B.
hepa c juice
D.
bile
Some stomach cells secrete: A.
gastric juice
C.
pancrea c juice
✓
One of the following is not a func on of smooth edoplasmic re culum (SER).
✓
A.
Synthesis of proteins
B.
Metabolism of lipids
C.
Detoxifica on of harmful drugs
D.
Transmission of impulse
B.
S
D.
None of these
B.
Cytosol
D.
All these
B.
Reductase and oxidases only
D.
Acid phosphotase and hydroly c enzymes
In which stage a diploid cell actually becomes in A.
G1
C.
G0
The ground substance of cytoplasm A.
Cytoskeleton
C.
Cell organelles
✓ ✓
Lysosomal sacs are rich in : A.
Add oxidase and hydroly c Enzymes
C.
Acid phosphatase and proteoly c enzymes
✓
The kinetochore fibres of spindle a ach to the kinetochore region of chromosome and align them at the spindle forming: A.
Equatorial plate
C.
central plate
The cells which secrete their hormones are: A.
Blood cells
C.
gland cells
B.
metaphase plate
✓
D.
both a & b
✓
B.
nerve cells
D.
Bone cells
Movement of materials against concentra on gradient is termed as:
✓
A.
Ac ve transport
B.
Passive transport
C.
Osmosis
D.
Diffusion
Which one is not a func on of golgi bodies? It is concerned with cell secre ons
Pancrea c secre ons are formed by there Carbohydrates which have to be the cell pass C. Help to form conjugated molecules the cell pass through it Carbon combines with nitrogen in amino acid linkages to form which of the following bond
✓
Q.320
Glyoxysomes
A.
A.
Q.319
B.
There are 16 chromosomes in:
✓ Q.310
Page 20
A.
Glycosididc linkage
C.
C - H bond
✓
B. D.
B.
Pep de bond
D.
Covalent bond
Each eukaryo c ribosomes consists of two subunits. The larger subunit sediments at 60S while smaller subunit sediments at: A.
10S
C.
30S
✓
B.
20S
D.
40S
The cells which transmit impulses are:
✓
A.
blood cells
B.
nerve cells
C.
kidney cells
D.
bone cells
B.
soma c cells
D.
none
Cancer is caused mainly by muta ons in: A.
sex calls
C.
both a & b
Chlorophyll has A.
Ca
+
Mg ++
✓
while haem has ---------- as the central atom: B.
K+
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✓
Nucleus
C.
Cytoplasm
D.
Membranes
A.
Peroxidase
C.
Glycolic acid oxidase
✓
B.
Catalase
D.
All of these
A.
Prokaryotes
B.
Eukaryotes
C.
Viruses
D.
Cyanobacteria
A.
Polysaccharide
B.
Oligosaccharide
C.
Monosaccharide
D.
All these
B.
Stroma
D.
Medium
A.
Matrix
C.
Milieu
✓
A.
Resolu on
B.
Magnifica on
C.
Tenacity
D.
Both a and b
B.
secondary wall
D.
al a, b, c
Cells wall is composed of: A.
primary wall
C.
middle lamella
✓
The diges ve vacuoles and autophagosomes are also known as A.
Peroxisomes
B.
Glyoxisomes
C.
Secondary lysosomes
D.
Phagocytes
The inner surface of cristae in the mitochondrial matrix has small knob like structures knowns as; A.
P2 par cles
C.
B7 bu on
✓
B.
G0 granules
D.
F1 par cles
Which viruses can be the cause of tumors A.
DNA viruses
B.
H Viruses
C.
Retroviruses
D.
None of these
Mitochondria extract energy from different components of food and convert it in the form of
✓
A.
ATP
B.
NADPH2
C.
ADP
D.
NADP
The filaments involved in determina on of cell shape are A.
Microtubules
B.
Microfilaments
C.
Intermediate filaments
D.
None of these
Al cytokinesis, in plants a membrane structure phragmoplast is formed form vesicles which originate from: A.
lysosomes
B.
centrioles
C.
golgi complex
D.
glyoxisomes
Cancer is a failure in A.
Cell division
B.
DNA synthesis
C.
Gene c control on cell division
D.
Nuclear division
B.
Cytoplasm
D.
Smooth ER
In muscle cells which of these conducts impulses? A.
Nucleus
C.
Golgi bodies
✓
Which are lipids rich
✓ Q.340
B.
The ability to dis nguish between two objects is called:
✓ Q.338
Cell
The fluid which surrounds the thylakoid is called;
✓ Q.337
A.
Chi n is an example of
✓ Q.336
Na+
Binary fission takes place in
✓ Q.334
D.
Which is present in peroxisomes
✓ Q.332
Fe++
Endoplasmic re culum is visible under electron microscope as a network of channels extending throughout the:
✓ Q.325
C.
Page 21
A.
Soya bean
B.
Castor bean
C.
Both a & b
D.
Pea seeds
A pile of thylakoids stacked on each other like coins is a
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A.
Citerna
B.
Cristae
C.
Gernaium
D.
Inter-granum
In lipid-rich seeds , glyoxisomes are the sites for breakdown of fa y acids to:
✓
A.
Succinate
B.
Glycerol
C.
Fats
D.
Carbohydrates
B.
Garden Pea
D.
Oat
B.
Malignancy
D.
Infec on
There are 14 chromosomes in: A.
Onion
C.
Maize
A.
Immunity
C.
Health
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A.
Muscle cells
C.
Liver cells
A.
Legacy
C.
Reproduc on
A.
De Lamarck
C.
Louis Pasteur
Cell organelles ca be separated by:
exocytosis
D.
both b & c
✓
B.
Skin cells
D.
Both a & c
B.
Birthright
✓
D.
Inheritance
A.
X-ray diffrac on
C.
Autoradiography
✓ ✓
B.
Rudolph Virchow
D.
Weismann
B.
Differen al centrifuga on
D.
Spectrophotometry
Tubulin, ac n, myosin, tropomyosin etc., are the main proteins the are present in: A.
cytoskeleton
B.
centriole
C.
cilia
D.
cytosol
Number of nucleolus per nucleus A.
Only one
B.
More than one
C.
One or more
D.
Three
B.
Aldose group
D.
H+ions
Aldo-sugars are carbohydrates with an A.
Ketose group
C.
OH ions
✓
The paired chromosomes repel each other and begin to separate in: A.
leptotene
C.
pachytene
✓
B.
zygotene
D.
diplotene
Prokaryo c cells does not posses: A.
Cytoplasm
B.
Plasma membrane
C.
Nuclear membrane
D.
Cell well
One of the following substances is used by Golgi apparatus to modify the others A.
Proteins
C.
Lipids
✓
B.
Carbohydrates
D.
DNA
Golgi appartus was discovered by Golgi in:
✓ Q.356
B.
New cells arise only by the division of previously exis ng living cells was proposed by
✓ Q.354
cyclosis
✓
DNA plays an important role in the:
✓ Q.351
endocytosis
Which is found to be filled with Glycogen in Glycogenosis type II?
✓ Q.350
✓
The inward movement of the materials by infolding of cell membrane in the form of vacuole is known as: C.
Q.346
✓
The presence of invading cells in normal ssue is indica on of
A. Q.345
Page 22
A.
1889
B.
1896
C.
1898
D.
1888
Tay sachs disease results due to accumula on in brain cells:
✓
A.
Mg++ions
B.
Glucose
C.
Lipids
D.
Proteins
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Q.358
Cancer is mainly caused by muta ons in
✓
Q.360
A.
Soma c cells
B.
Liver cells
C.
Intes ne cells
D.
All of these
Which wall is 1st to be formed among daughter cells in plants
✓ Q.359
A.
Secondary wall
B.
Ter ary wall
C.
Middle lamella
D.
Cell membrane
Meaning of tumor is:
✓
A.
Swelling
B.
Uncontrolled division
C.
Cancer
D.
Mitosis
B.
Detoxifica on of durga
D.
Both b & c
Which one is the func on of smooth endoplasmic re culum? A. C.
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Q.366
Nitrogen Peroxide
B.
Calcium Peroxide
C.
Hydrogen Peroxide
D.
None of these
Fibers of the extracellular matrix is the characteris cs of A.
Plant cell wall
C.
Cell membrane of bacteria
Lysosomes also release enzymes for extra cellular: A.
Development
C.
Contrac on
Q.369
✓
Q.372
Fluid mosaic model of cell membrane
✓
B.
Diges on
D.
Secre on
A.
Golgi bodies
B.
Endoplasmic re culum
C.
Ribosomes
D.
Nucleus
B.
Strassburger
D.
Fleming
A.
Morgan
C.
Mendel
✓
There are two morphological forms of endoplasmic re culum, a rough from with a ached ribosomes and a smooth form without: Peroxisomes Glyoxysomes
✓
B.
Dictyosomes
D.
Ribosomes
Golgi apparatus was discovered by:
✓
A.
Golgi
B.
Goldi
C.
Golki
D.
Golbi
B.
Budding
D.
Conjuga on
In prokaryotes, mitosis is missing and cell divides by: A.
Fission
C.
Fragmenta on
✓
Crossing over occurs during A.
Zygotene
B.
Diplotene
C.
Pachytene
D.
Meiosis II
Lysosomes are different from other organelles due to
✓ Q.371
Bacterial cell wall
D.
Mitosis in animals cells was first studied by
✓ Q.370
B.
✓
These are stacks fla ened membrane bounded vesicles
C.
Q.368
Transmission of impulse
✓
A.
A. Q.367
Synthesis of protein
The name peroxisome was applied because this organelle is specifically involved in forma on and decomposi on of ________ in the cell:
✓ Q.362
Page 23
A.
Anatomy
B.
Morphology
C.
Physiology
D.
Biochemistry
B.
Rudolph Virchow
D.
Lorenz Oken
Omnis cellula-e-cellula was hypothesized by: A.
Schleiden
C.
Louis Pasteus
✓
They are self replica ng
✓
A.
Mitochondria
B.
Choloroplast
C.
Both a & b
D.
Ribosomes
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Chemically cytoplasm is about:
✓
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✓
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B.
80% water
C.
70% water
D.
60% water
A.
Golgi apparatus
B.
Endoplasmic re culum
C.
Peroxisomes
D.
Lysosome
A.
Diffusion
B.
Ac ve transport
C.
Endocytosis
D.
None
During development most of the neurons in the human body.
✓
A.
Die
B.
store food
C.
Become large
D.
Become small
Which of the following substances can cross a selec vely permeable membrane easily? A.
Water soluble
C.
Polar substances
✓
B.
Lipid soluble
D.
Both water and lipid soluble
Un-separated replica of chromosome is called A.
Chroma n
B.
Kinetochore
C.
Chroma d
D.
Centromere
Chlorophyll is present in
✓
A.
Thylakoid
B.
Intergrana
C.
Stroma
D.
Cytosol
B.
Theodor Schwann and Schleiden
D.
Rudolph Virchow and Louis Pasteur
Cell theory came out as a result of independent working of A.
Robert Brown and Robert Hooke
C.
Lorenz Oken and de Lamarck
✓
Under light microscope the chloroplasts appear to be heterogenous structures embedded in the matrix small granules known as
✓ Q.382
90% water
Which of the following processes causes substance to move across the membranes without the expenditure of cellular energy:
✓ Q.379
A.
Cisternae together with associated vesicles is known
✓
Q.376
Page 24
A.
Thylakoid
B.
Stroma
C.
Grana
D.
All these
Which are involved in internal cell mo on?
✓
A.
Microfilament
B.
Microtubules
C.
intermediate filament
D.
All of these
B.
11thchromosome
D.
21thchromosome
Autosomal non-disjunc on may occur in other than: A.
9thchromosome
C.
19thchromosome
✓
In cross sec on each centriole consists of a cylindrical array of nine
✓
A.
Microtubules
B.
Microfilaments
C.
Intermediate filaments
D.
All these
They are involved in internal cell mo on A.
Microtubules
C.
Intermediate filaments
Which one is irrelevant regarding golgi bodies? A.
Discovered by palade (1955)
C.
Cisternae are formed by fusion of vesicles
✓ ✓
B.
Microfilaments
D.
All of these
B.
Made up to cisternae
D.
Outer convex surface is the forming face
First essen al phenomenon of meiosis i.e. pairing of homologous chromosomes called synapsis starts in:
✓
A.
leptotene
B.
zygotene
C.
pachytene
D.
diplotene
The condensa on of chromosomes reaches to its maximum during: A.
leptotene
C.
zygotene
✓
B.
pachytene
D.
diakinesis
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Q.390
Q.391
Q.392
Q.393
Patau & Edward syndromes show trisomy in _________ & __________ chromosomes.
✓
Q.396
13,18
B.
18, 13
C.
31, 28
D.
at any chromosome
B.
30,000
D.
10,000
A.
3-4
C.
40,000
A.
Animals
C.
Fungi
✓
Q.399
Q.400
Q.402
Q.403
Q.404
Q.405
Pro sta All these
Microfilaments
B.
Intermediate filaments
C.
Microtubules
D.
microtubules
Polysome is formed by: A.
Many m-RNAs being a ached to a ribosome
B.
A cluster of ribosomal subunits
C.
Many ribosomes a ached to m-RNA
D.
Cluster of ribosomes
Cells that are locked of divisions are said to be in state of A.
G1
B.
G2
C.
G0
D.
S
Lysosomes were isolated as separate components for the first me by: A.
Palade
C.
Bander
✓
B.
Altman
D.
De Duve
The Golgi vesicles which divide the daughter cells during Cytokinesis of plant cells originate actually in Metaphase Telophase
✓
B.
Anaphase
D.
Prophase
In func on, the plant cell structure that is analogous to an animal's cell cleavage furrow is the A.
Centrosome
C.
Nucleus
✓
B.
Phragmoplast
D.
Chromosome
In mitosis the hereditary material is distributed in the daughter cells: A.
Unequally
C.
3/4 in one 1/4 in other
Diameter of peroxisome is _________ micrometer A.
0.6
C.
0.4
✓ ✓
B.
Equally
D.
None of these
B.
0.5
D.
0.9
Glyoxysomes are most abundant in:
✓ Q.401
B. D.
A.
C.
Q.398
✓
Cyclosis and amoeboid movements are because of:
A. Q.397
✓
Eukaryotes include
✓ Q.395
A.
Eggs have how many nuclear pores
✓ Q.394
Page 25
A.
Animal embryos
B.
Microorganisms
C.
Plant seedings
D.
Fungal hyphae
_________________ disease is because of absence of an enzyme that is involved in the catabolism of lipids: A.
Glycogenosis Type ||
C.
Microcephaly
✓
B.
Cancer
D.
Tay-Sach's
In photosynthe c plant cells, there are membrane bound structures containing a green pigment, called: A.
chloroplasts
C.
leucoplasts
A group of ribosomes a ached to RNA are known as: A.
Centrosome
C.
Nucleosome
A very well defined nucleus is present in: A.
Prokaryotes
C.
Both a & b
✓ ✓ ✓
B.
chromoplasts
D.
all a,b,c
B.
Polysome
D.
Peroxisome
B.
Eukaryotes
D.
None
Which of the following genotype of the individuals that have one addi onal sex chromosome
✓
A.
44 autosome + XXY
B.
44 autosome + YXY
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Bound by single membrane
B.
Are powerhouse of cell
C.
Found in all organism
D.
Contain DNA and ribosomes
A.
30 minutes
C.
6 hours
A.
apoptosis
C.
Both a & b
✓ ✓
B.
10 Hours
D.
2 Hours
B.
Necrosis
D.
Non disjunc on
The period of life cycle of cell (cell cycle) between two consecu ve divisions is termed as: A.
interphase
C.
mito c phase
✓
B.
res ng phase
D.
both a & b
The tumours which are of small size and localized are:
✓
A.
benign
B.
malignant
C.
gentle
D.
nasty
B.
Lyases
D.
Hydrolases
Diges ve enzymes are A.
Transferases
C.
Ligases
✓
During the late telophase the astral microtubules send signal to _____ of cell. A.
Nuclear region
B.
Mitochondria
C.
Equatorial region
D.
Cell membrane
The chromosomes become visible,shorten and thick in:
✓
A.
leptotene
B.
zygotene
C.
pachytene
D.
diplotene
B.
Lysosomes
D.
Peroxisomes
The organelle involved in ea ng process of a cell A.
Polysomes
C.
Glyoxysomes
✓
Centrioles play important role in the forma on of A.
Pili
B.
Fimbriae
C.
Cilia
D.
Cytoskeleton
B.
Viruses
D.
Lichens
Which of the following is an excep on to cell theory: A.
Bacteria
C.
Fungi
✓
Mitosis was first studied by Walther Fleming in A.
Animals
B.
Plants
C.
Fungi
D.
Monera
B.
Binucleate
D.
Mul nucleate
Generally, the cells with more than two nuclei are called: A.
mononuclear
C.
Polynuclear
✓
Chromosome number is kept constant genera on a er genera on in: A.
amitosis
C.
mitosis
✓
B.
meiosis
D.
none
The smooth endoplasmic re culum helps in metabolism of a number of different types of molecules par cularly:
✓ Q.421
44 autosome + XYY
A.
The process involved in inflamma on of liver
✓ Q.418
D.
The P730-P660 interconversions might be the plant me-regulator for:
✓ Q.416
44 autosome + XXX
Which statement about plas d is true?
✓ Q.413
Page 26
A.
lipids
B.
carbohydrates
C.
proteins
D.
vitamins
B.
Murein
D.
Sacculus
En re cell wall of bacteria is a single huge molecule called A.
Pep doglycan
C.
Saccule
✓
Q.422
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Page 27
Non-sister chroma ds of homologous chromosomes exchange their segments due to chiasmata forma on, during the process called:
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Q.434
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recombina on
✓
B.
crossing over
D.
epistasis
A.
RER
C.
Nucleus
A.
Chromosomal
C.
kinetochore
B.
SER
✓
D.
Nucleolus
✓
B.
polar
D.
None of these
Who (1809) said "nobody can have life if its cons tuent parts are not cellular ssue or are not formed by cellular ssue." A.
Jean Bap st de-Lamarcj
B.
Allen Lamarck
C.
Carolus Linnaeus
D.
Robert Whi aker
B.
Mitochondrion
D.
Cell
A bit protoplasm bounded by membrane A.
Nucleus
C.
Protoplast
✓
The energy capturing structures for food synthesis withing the plant cells is known as A.
Mitochondria
C.
Leucoplasts
✓
B.
Chloroplasts
D.
Chromoplasts
Cell organelle such as cilia, flagella, basal bodies and centrioles are derived from special assemblies of
✓
A.
Microtubules
B.
Microfilaments
C.
Intermediate filaments
D.
All these
The materials present in endoplasmic re culum channels is separated the cytoplasmic material by tubular membranes called A.
Cisternae
B.
Cristae
C.
Thylakoids
D.
Grana
The period of life cycle of cell (cell cycle) between two consecu ve divisions is termed as
✓
A.
Interphase
B.
Anaphase
C.
Telophase
D.
Prophase I
B.
Water storage
D.
Turgor
Plant vacuole is major contributor to which of the following A.
Waste storage
C.
Homeostasis
✓
One of the following terms includes rest of the others
✓ Q.433
C.
Spindle fibers which run from pole to pole
✓
Q.430
linkage
Ribosome factory is
✓
Q.426
A.
A.
Chloroplast
B.
Leucoplast
C.
plas ds
D.
Chromoplast
Diges ve vacuoles are A.
Primary lysosome
C.
vacuole
The resolu on of electrons microscope ranges between: A.
2-6 um
C.
3-6 Angstrom
✓ ✓
B.
Secondary lysosome
D.
All of these
B.
2-4 Angstrom
D.
3-9 mm
B.
Microfilaments
D.
All a, b, c
B.
Testosterone
D.
Trypsin
Cytosol contains cytoskeletal fabric formed of: A.
Microtubules
C.
Intermediate filaments
✓
Which is not steroid: A.
Cor costeroid
C.
Oestrogen
✓
Some organisms both plants and animals undergo asexual reproduc on which involves: A.
amitosis
C.
meiosis
✓
B.
mitosis
D.
none
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Created By: Armghan Saeed Q.438
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In fluid mosaic model the phospholipid bilayer:
✓
A.
Has proteins embedded in it
B.
Lies on the to pf a single protein layer
C.
Is covered by a single protein layer
D.
A aches the membrane to cytoskeleton
B.
nucleus
D.
mitochondria
Karyokinesis involves the division of: A.
Cytoplasm
C.
Whole cell
✓
A.
kinetochores
B.
kine es
C.
chroes
D.
centromere
Each grannum is inter-connected with other buy the non-green part called: A.
intergranum
C.
connec ve
A.
Lipids
C.
Carbohydrates
The interphase of meiosis lack: A.
G1stage
C.
G3stage
Q.450
Q.451
Q.453
✓
B.
Proteins
D.
Glycolipds
B.
G2stage
D.
G4stage
A.
Cisternae
B.
Grana
C.
F1 par cles
D.
Thylakoids
Tissue culture Malignancy
✓
B.
Cloning
D.
Metastasis
A.
Lysosome
B.
Ribosome
C.
Glyoxysome
D.
Peroxisome
B.
22, hours
D.
24, hours
A.
21 hours
C.
23 hours
✓
A-biogenesis means that A.
Living things originated from bacteria
B.
Mycobionts
C.
Non-living things
D.
None of these
B.
48
D.
14
B.
Malignant
D.
Apoptosis
Number of chromosome in potato A.
49
C.
46
Which tumor will poove more fatal. A.
Benign
C.
Both
✓ ✓
The inner membrane of mitochondria form infolding, called cristae, into the inner chamber called mitochondrial: A.
stroma
B.
milieu
C.
medium
D.
matrix
All of the following have unbranched chains of glucose except
✓
A.
Starch
B.
Glycogen
C.
Cellulose
D.
Chi n
The RNA present in ribosome is called:
✓ Q.454
✓
In case of human cell, cell cycle is about
✓ Q.452
ligament
Which organelle is present only is plants?
✓ Q.449
interseptum
The spread of tumor cells and establishment of secondary areas of growth is called
✓
Q.448
B. D.
On the inner surface the inner membrane of mitochondria cristae small knob-like structures are present. These are called
C.
Q.447
✓
The rough surfaced endoplasmic re cullam is involved in the synthesis of:
A. Q.446
✓
The kinetochore microtubules a ach to chromosomes at:
✓ Q.445
Page 28
A.
Messenger RNA
B.
Transger RNA
C.
Ribosomal RNA
D.
All a, b, c
Which type of cells would probably be most appropriate to study lysosomes:
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D.
Muscle cells
B.
De Durve and cowerkers
D.
Sanger and Coworker
A.
Golgi and coworkers
C.
Palade Cowerkers
✓
A.
Disjunc on
B.
Separa on
C.
Non-disjunc on
D.
Metastasis
A.
1.0 um
C.
1.5 um
✓
B.
0.5 um
D.
2.0 um
A.
Ribosome - Protein synthesis
B.
Nucleolus - Ribosome produc on
C.
Golgi bodies - Muscle Contrac on
D.
Lysosome - intracellular diges on
A.
chromosomes
C.
glyoxysomes
✓
B.
centrosomes
D.
peroxisomes
A.
1st
C.
Fourth
✓
B.
2nd
D.
Last
During cell division chroma n material is converted into darkly stained thread like structures known as: A.
Hyphae
B.
Flagella
C.
Chroma ds
D.
Chromosomes
which one of the following describes the func on of nucleolus A.
forma on of RNA
B.
forma on of DNA
C.
synthesis of ribosomes
D.
reforma on of nuclear membrane
Which of the following sequence of phases for mito c cell division is the right one: A.
Prophase, Anaphase, Telophase, Metaphase
B.
Prophase, Telophase, Anaphase, Metaphase
C.
Prophase, Metaphase, Anaphase, Telophase
D.
Telophase, Anaphase, Metaphase, Prophase
The branch of Biology that deals with the study of chemical components and the chemical processes in living organisms is A.
Physiology
B.
Taxonomy
C.
Biochemistry
D.
Anatomy
B.
Peripheral granular
D.
Peripheral fibrillar
RNAs precursor area of nucleolus is A.
Central granular
C.
Central fibrillar
✓
A favourable element for the synthesis of complicated cellular structures
✓
A.
Carbon
B.
Hydrogen
C.
Oxygen
D.
Nitrogen
B.
lysosomes
D.
glyoxysomes
Nucleolus is a darkly stained body within the: A.
nucleus
C.
peroxisomes
✓
The outermost boundary in most of the plant cell is
✓ Q.469
Phagocy c white blood cells
During prophase I of meiosis, the diakinesis is the _______ stage.
✓ Q.465
C.
Nucleus consists of nuclear membrane, nucleolus, nucleoplasm and:
✓ Q.464
Nerve cells
Which of the following pair is mismatched?
✓ Q.463
B.
The diameter of peroxisomes is about:
✓ Q.462
Mesophyll Cells of leaf
Unequall separa on of chromosomes is called:
✓ Q.459
A.
Peroxisomes in 1965 were isolated by:
✓ Q.457
Page 29
A.
Cell membrane
B.
Tonoplast
C.
Cell Wall
D.
Unit membrane
B.
glyoxysomes
D.
lysosomes
B.
Cellulose
A group of ribosomes a ached to mRNA are known as: A.
peroxisomes
C.
Polysomes
✓
Prokaryp c cell wall lacks: A.
lignin
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✓
Q.485
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D.
All of above
A.
diabetes types ll disease
B.
Tay-Sachs disease
C.
Glycogenosis type ll disease
D.
Hunte's disease
B.
osmosis
D.
imbibi on
The plants vacuoles is the major contributor to the: A.
diffusion
C.
turgor
✓
Which tumor is medicalized or has branches other them site of origin. A.
Benign
C.
Both
✓
B.
Malignant
D.
Apoptosis
PGAL is a phosphorylated form of a monosachharide sugar. It belongs to which group
✓
A.
Trioses
B.
Tetroses
C.
Pentoses
D.
Hexose
All living organisms are composed of cells and cell products refers to
✓
A.
Cell theory
B.
Germ theory of disease
C.
Koch's postulate
D.
Theory of cells
B.
Cell wall
D.
None
The outermost boundary in most of the plant cells is: A.
Cell membrane
C.
Both a & b
✓
Which of the following is not true about cell frac ona on technique: A.
Break down of cell
C.
Break down of ssue
✓
B.
Breakdown of cell organelles
D.
Break down of organs
The smallest unit that can carry out ac vi es of life is A.
An organelle
B.
A bacterium
C.
A cell
D.
An organism
B.
Chemically it is 50% water
D.
It contain organelles
Which one is irrelevant to cytoplasm? A.
Soluble part is cytosol
C.
Store house of vital chemicals
Which is the most lengthy phase of human cell cycle A.
G1phase
C.
G2phase
✓ ✓
B.
S- phase
D.
All equal of me
Which one of these lasts for many days, weeks or even years.
✓
A.
Pachytene
B.
Leptotene
C.
Diplotene
D.
Zygotene
Synapsis occurs by the help of synaptonemal complex with is made of A.
Proteins
C.
DNA
✓
B.
Carbohydrate and proteins
D.
DNA and proteins
Pep doglycan has
✓ Q.484
✓
The liver and muscle appear with glycogen within membrane bound organelles in:
✓ Q.479
Hemicellulose
Page 30
A.
Polysaccharide
B.
Amino acids
C.
A and B
D.
Lipids
Cell theory is not applicable to
✓
A.
Viruses
B.
Bacteria
C.
Prokaryotes
D.
Cyanobacteria
B.
Paramecium
D.
Stentor
Two nuclei exist in some protozoa: A.
Amoeba
C.
Volvox
✓
Each chromosome has how many chroma ds at the beginning of cell division
✓
A.
2
B.
1
C.
6
D.
3
What is the energy source of plant cells during cell division
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✓
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D.
Plant cells get nutri on from dissolu on of cell wall They get food from breakdown of cell organelles
A.
24 hours
B.
30 minutes
C.
9 hours
D.
90 minutes
B.
Nephron
D.
Muscle cells
A.
RBC
C.
WBC
✓
A.
Pro en
B.
Endocytosis
C.
Phagocytosis
D.
Mitosis
The membrane that allows only selec ve substances to pass through it is called A.
Permeable membrane
C.
Impermeable membrane
✓
B.
Selec vely permeable membrane
D.
Tonoplast
Protein are converted into glycoproteins by: A.
Nucleolus
B.
Mitochondria
C.
Golgi bodies
D.
ER
Gene c material containing uracil instead of thyamine in the backbone of molecule is a A.
DNA
C.
mRNA
✓
B.
RNA
D.
cDNA
Chloroplasts vary in their shape and size with a diameter of about:
✓
A.
4-6 um
B.
5-7 um
C.
3-5 um
D.
7-9 um
Centromere refers to:
✓
A.
Primary constric on
B.
Secondary constric on
C.
Ter ary constric on
D.
All of these
B.
50
D.
70
B.
2.0 um
D.
2-4 Angstrom
On average there are _______ or more thylakoid per granum A.
60
C.
40
Resolu on power of a typical microscope is: A.
1.0 um
C.
300 x
✓ ✓
Intermediate filaments play role in maintenance of: A.
Cell size
B.
Cell turgor
C.
Cell shape
D.
Cell oranelles
The presence of -------------------- is the major difference between rough and smooth endoplasmic re culum A.
mRNA
C.
Nuleases
The fluid which surrounds the thylakoid is called: A.
matrix
C.
milieu
✓ ✓
B.
Ribosomes
D.
An gens
B.
stroma
D.
medium
In hum cell mitosis takes 30 minutes, G1, 9 hours S-phase 10 hours and G2 A.
2 hours
C.
4 hours
✓
B.
3 hours
D.
4.5 hours
What is the latest model that is proposed to explain the structure of plasma membrane?
✓ Q.503
They get energy from mitochondria
B.
The intake of the chemical component of the cell membrane is the:
✓ Q.499
C.
✓
Which cells have highly developed skeleton?
✓ Q.493
Plant cells get nutri on from protoplasm
Cell cycle of human cell completes in about
✓ Q.491
A.
Page 31
A.
Molecular model
B.
unit member model
C.
Fluid mosaic model
D.
Sugar and proteins
B.
16
No. of chromosome in garden pea A.
15
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D.
8
B.
silica
C.
chi n
A.
E.R
C.
Ribosome
A.
Respira on
C.
Nutri on
✓
D.
lignin
✓ ✓
B.
Golgi bodies
D.
Nucleus
B.
Photosynthesis
D.
Excre on
Chemical bond that provides stability to complex carbohydrate molecules
✓
A.
Carbon-Hydrogen bond
B.
Carbon-Oxygen bond
C.
Carbon-Nitrogen bond
D.
Nitrogen-Hydrogen bond
Absence of enzymes that are involved in the catabolism of lipids cause A.
Glycogenosis I
B.
Glycogenosis II
C.
Tay Sach's disease
D.
Lipogenosis
In the cytoplasm small molecules and ions form
✓
A.
True solu on
B.
Colloidal solu on
C.
A gel
D.
A sol
B.
Pep doglycan
D.
All of above
Prokaryo c cell wall is formed of: A.
Murein
C.
Polysaccharide plus shorter chains of amino
✓
The type of cell division, which ensures the same number of chromosomes in the daughter cells asd that in the parent cells is: A.
amitosis
B.
meiosis
C.
mitosis
D.
none
Program cell death controls
✓
A.
The number of neurons
B.
Lympha c system
C.
Blood circular system
D.
Urinary system
B.
Animal cells only
D.
Lipid rich seeds
Lysosome is found in A.
Plant cell only
C.
Both cells
✓
The point of interchange of momologous chromosomes during diplotene is known as A.
Bivalent
C.
Crossing over
✓
B.
Chiasmata forma on
D.
Non-disjunc on
The rough endoplasmic re culum is involved in the synthesis of: A.
lipids
C.
proteins
✓
B.
carbohydrates
D.
vitamins
Golgi apparatus has two ends: A.
first face and second face
B.
Forming face and deforming face
C.
Forming face and matura on face
D.
Proximal face and distal face
Webbed neck and absence of ovaries is feature of ______ syndrome
✓ Q.518
pec n
The chloroplasts are organelles specializing in:
✓ Q.517
A.
Secre ons are products formed within cell on
✓ Q.512
14
Fungal cell wall contains:
✓ Q.509
C.
Page 32
A.
Down's
B.
Klinefelter's
C.
Turner's
D.
Edward's
Chlorophyll molecule resembles with which part of heamoglobin A.
Protein
C.
Globulin
✓
B.
Haem
D.
Fats
Mongolism is also called as
✓
A.
Down's syndrome
B.
Turner's syndrome
C.
Klinefelter's sysndrome
D.
Jacob's syndrome
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Q.521
Q.522
Q.523
In anaphase I, in contrast to anaphase of mitosis, sister chroma ds are not A.
joined
C.
curled
✓
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D.
rotated
crisacross arrangement
B.
zigzag arrangement
C.
both a & b
D.
parallel arrangement
A.
four grana
C.
two grana
✓
B.
three grana
D.
one granum
B.
23 non homologues
D.
Both a and c
One set of chromosome in human cell has 23 homologues 46 chromosome
✓
An unwanted clone of cells formed by uncontrolled growth of cells is:
✓
A.
Tumour
B.
Growth
C.
Lump
D.
Swelling
The biggest cell in the world is the egg of:
✓
A.
Ostrich
B.
Kiwi
C.
Turtle
D.
Elephant
Old mitochondria are digested in which of the process
✓
A.
Autophagy
B.
Autoysis
C.
Autophagosomy
D.
None of these
The breakdown of large molecules into smaller ones u lizing water molecules is A.
Hydra on
C.
Condensa on
✓
B.
Hydrolysis
D.
Catena on
Basically carbohydrates are made up of A.
C, H and S
B.
H, C. H, N
C.
C. H, O
D.
N, H, O
Outer nuclear membrane is con nuous with inner membrane at
✓
A.
Nuclear Pores
B.
ER
C.
Nucleolus
D.
None of these
Which is localized tumor:
✓
A.
Benign
B.
Malignant
C.
Both
D.
Apoptosis
B.
Robert Hooke
D.
Robert Koch
In 1665, the cells of cork were student under microscope by: A.
Robert Brown
C.
Robert Mug Abe
✓
Schlerenchyma cells are important for?
✓ Q.533
separated
On an average, the are 50 or more thylakoids piled to form:
✓ Q.529
B.
A.
C.
Q.525
✓
In primary wall cellulose molecules show a:
A. Q.524
Page 33
A.
Photosynthesis
B.
Transport
C.
Support
D.
No such roles
The proteins or enzymes which have to be transported out of the cell pass through the : A.
Endoplasmic re culum
C.
Vacoules
Which cell contain 8 chromosome? A.
Onion
C.
Fruit fly
✓ ✓
B.
Golgi Complex
D.
Exocytosis
B.
Garden pea
D.
Frog
The number of chromosomes in normal body cells:
✓
A.
Diploid
B.
Haploid
C.
2n
D.
Both a & c
B.
Gas
Which have some difficulty in crossing cell membrane A.
Steroids
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Eagle's egg
B.
Whale's egg
C.
Elephant's egg
D.
Ostrich's egg
A.
Four
C.
Three
✓
B.
Six
D.
Five
A.
few seconds
B.
few minutes
C.
few hours
D.
few days
A.
Two
B.
Eight
C.
Four
D.
Five
B.
Discovered cork cells
D.
Constructed a microscope
Robert Hooke: A.
Lived in 17th century
C.
Nuclear membrane
✓
Which is not related to ribosomes: A.
Discovered by palade
C.
Protein synthesis
✓
B.
Two forms free, a ached
D.
Intracellular diges on
B.
μm
D.
cm
The size of the cells is measured in: A.
μ
C.
m
✓
Colourless plas ds are called:
✓
A.
chloroplasts
B.
chromoplasts
C.
leucoplasts
D.
all, a,b,c
Short living organelle absent in lipid poor seeds A.
Lysome
B.
Dictyosome
C.
Glyoxysomes
D.
Peroxisome
The name peroxisome was applied because this organelle is specifically involved in the forma on and decomposi on of:
✓
Q.547
A.
Each bivalent has _______ chroma ds.
✓ Q.546
Ions
leptotene and zygotene can last only for:
✓ Q.541
D.
In meiosis prophase I is further divided in to _______ sub phases.
✓ Q.540
✓
Eukaryo c cells could be as big as an:
✓ Q.538
Glucose
Page 34
A.
Hydrogen peroxide
B.
Carbon dioxide
C.
Nitrogen peroxide
D.
Hydrogen oxide
Shape of the plant cells fo does no change greatly compared with an animal cell because it is surrounded by a rigid: A.
cell membrane
C.
sheath
✓
B.
capsule
D.
cell wall
Solute molecules are rela vely large in:
✓
A.
Colloidal solu on
B.
Saturated solu on
C.
Unsaturated solu on
D.
Molar solu on
60-80% of the chemical component of the cell membrane is the :
✓
A.
Protein
B.
Lipid
C.
Carbohydrate
D.
Nucleic Acid
The soluble part of the cytoplasm is called
✓
A.
Cytosol
B.
Gel
C.
Solu on
D.
Colloidal solu on
B.
Robert Hooke
✓
D.
Robert Brown
✓
B.
Secondary
D.
Middle lamella
In 1831, the presence of nucleus in the cells was reported by:` A.
Robert Koch
C.
Robert Mug Abe
Which cell wall has pits A.
Primary
C.
Ter ary
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There are 48 chromosomes in:
✓
lysosomes
C.
cytokinesis
✓
Potato
D.
Both a & b
B.
cnetroles
D.
glyoxysomes
A.
Polysome
B.
Lysosome
C.
Glyoxysome
D.
Peroxisome
B.
Soma c
D.
None of these
B.
DNA
✓
D.
All of these
✓
B.
Kinetochore
D.
None of these
A.
Sex cells
C.
Nerve cell
A.
Ribosome
C.
RNA
The tetrads of the chromosomes are a ached with
✓
A.
Centromere
C.
Centrioles
-------------- is the loss of morphological changes in which cell commits suicide
✓
A.
Apoptosis
B.
Necrosis
C.
Program cell death
D.
None of these
B.
Xylem cells
D.
Cortex cells
B.
Plasmalemma
D.
Rough endoplasmic re culum
The cells which transport food in plants are: A.
Phloem cells
C.
Pith cells
✓
Which one take spart in the synthesis of protein? A.
Sooth endoplasmic re culum
C.
Golgi apparatus
✓
Ribosomes are ny Granules first studied in 1955 by:
✓
A.
De-Duve
B.
Schwann
C.
August Weismann
D.
Palade
Exchange of chromosomal segments is called A.
Linkage
C.
Chiasmata
✓
B.
Crossing over
D.
Synapsis
CO2is fixed in A.
Thylakoid
B.
Grana
C.
Stroma
D.
Interganum
Most dis nc ve feature of prokaryo c cell is A.
Cilia
B.
Lack of Ribosomes
C.
Kind of Cell wall
D.
Cytoplasm
The movement of material across a selec vely permeable membrane can take place by A.
Passive transport
B.
Ac ve transport
C.
Both a and b
D.
None of these
New ribosomes are assembled in the: A.
mitochondria
B.
nucleus
C.
cytoplasm
D.
nucleolus
New ribosomes are assembled in the :
✓ Q.569
A.
B.
Mitochondria con an
✓ Q.568
Man
Cancer is caused by muta on in _______ cell.
✓ Q.567
C.
✓
A group of ribosomes a ached to the same mRNA stretch
✓ Q.566
Chimpanzee
Astral microtubules radiate radiate outward form:
✓ Q.565
A.
Page 35
A.
Nucleus
B.
Cytoplasm
C.
Nucleolus
D.
Endoplasmic re culum
Centromere is the place on the chromosome where during cell division are a ached:
✓
A.
Muscle fibres
B.
Spindle fibers
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✓
Q.582
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Protein fibers
A.
Carbon
B.
Hydrogen
C.
Oxygen
D.
Nitrogen
A.
Karyokinesis
C.
Interphase
✓
B.
Cytokinesis
D.
Both a & b
The source of illumina on in a typical laboratory microscope is
✓
A.
Visible light
B.
Beam of electrons
C.
Beam of photons
D.
Beam of blue and red light
B.
Hemicellulose
D.
Water
B.
23
D.
43
B.
Astral
D.
All
60-70% of the mass of the cell wall is: A.
Cellulose
C.
Pec n
✓
Human sperms and eggs have chromosomes: A.
13
C.
33
Which set of microtubules radiates outwards A.
Kinetochore
C.
Polar
✓ ✓
Organelle in eukaryo c cells that are involved in manufacture and supply of energy to the cell are A.
Plas ds
C.
Ribosomes
✓
B.
Mitochondria
D.
Golgi complex
Cells in an organism depend upon various extracellular and intracellular. A.
Spaces
B.
Areas
C.
Signals
D.
Distances
Cell cycle comprises ________ phases.
✓
A.
Two
B.
Three
C.
Only one
D.
Four
Internal programme of events and sequence of morphological changes by which cell commit suicide is collec vely called as: A.
suicidal a ack
B.
necrosis
C.
apoptosis
D.
autophagocytosis
A nucleus is enclosed by:
✓ Q.581
D.
Mitosis is divided into
✓ Q.580
Nerve fibers
The basic element of organic compounds
✓ Q.578
Page 36
A.
A nucleus is enclosed by
B.
A non-porous single membrane
C.
A porous double membrane
D.
A porous single membrane
The spent energy, which is in the form of ADP is regenerated by the mitochondria into:
✓
A.
AMP
B.
ATP
C.
AGP
D.
ACP
The substances which can cross the cell membrane easily
✓
A.
Lipid soluble
B.
Water soluble
C.
Inorganic ions
D.
Organic ions
In elecron microscope the resolu on of microscope ranges between _______: A.
2-6 Angstrom
C.
3-6 Angstrom
✓
B.
2-4 Angstrom
D.
1-3 Angstrom
Crossing over is the source of gene c:
✓
A.
Varia ons
B.
Muta on
C.
Abbrevia ons
D.
Abnormali es
Animal cells and the cells of some microorganisms and lower plants contains two centrioles located near the exterior surface of the: A.
Mitochondria
B.
Golgi apparatus
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A.
Two carbohydrate layers
C.
Two vitamins layers
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D.
Two protein layers
Stroma
B.
Loculus
Thylakoid
D.
Granum
A.
Sameer & Shamshair
B.
Omer & Ali
C.
Schleiden & Schwann
D.
Watson & Crick
B.
four chroma ds
D.
none
A.
two chroma ds
C.
both a & b
✓
in non-disjunc on chromosome fall to segregate during: A.
prophase & metaphase
B.
anaphase & metaphase
C.
anaphase & telophase
D.
prophase & telophase
B.
Breaking o cells and suspending them in 0.25 sucrose solu on Separa on of different cellular components
Homogenisa on is: Breaking a ssue into cells
Crushing ssue to separate cells form intercellular substances One of the following is not a character of mitochondria A. Inner membrane forms infoldings called aristae C. Extract energy from organic food
C.
D.
B.
✓
D.
Site of aerobic respira on and fa y acid metabolism Contain enzymes for Glycolysis
T he nuclear pores allow the exchange of materials between the: A.
nucleus & nucleoplasm
C.
nucleus & cytoplasm
✓
B.
nucleus & mitochondria
D.
nucleus & ER
Mitochondrial matrix supports which of these processes
✓
A.
Krebs cycle
B.
Anaerobic respira on
C.
Amino acid metabolism
D.
All of thehse
Process by which unwanted structures within the cell are engulfed and digested within lysosomes; A.
Autosomy
C.
Autolysis
✓
B.
Autophagy
D.
Lysosome
In pancreas, granules containing enzymes are secreted by
✓
A.
Golgi bodies
B.
Endoplasmic Re culum
C.
Ribosome
D.
All of these
The nucleus is visible when cell is
✓
A.
Dividing
B.
Not dividing
C.
Res ng
D.
All these
When the cells dies, the cells wall persists which shows that cells wall is: A.
living
C.
rigid
✓
B.
non-living
D.
so
B.
30 minutes
D.
90 minutes
Full cell cycle in yeast cells is only: A.
15 minutes
C.
60 minutes
✓
A fluid which surrounds the thylakoids
✓ Q.601
Two nucleic acid layers
C.
Each bivalent has:
✓
Q.593
✓
B.
A.
A.
Q.592
Glyoxisomes
The cell theory was finally formulated by:
✓ Q.591
D.
A fla ened disc like asc in a chloroplast is known as:
✓ Q.589
Nucleus
Generally it was believed that plasma membrane is composed of lipid bilayer sandwiched between:
✓ Q.588
C.
Page 37
A.
Inter-granum
B.
Matrix
C.
Stroma
D.
All these
Inner to the cell membrane lies cytoplasm which contains cell:
✓
A.
Organs
B.
Granules
C.
Organelles
D.
Grains
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One of the following reported the presence of nucleus in the cell
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Theodor Schwann
A.
Middle lamella
C.
Both
A.
ligase
C.
isomerase
A.
Glyoxysomes
C.
Peroxisomes
Q.617
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Robert Brown de Lamarck
✓
B.
Primary wall
D.
Secondary wall
✓
B.
polymerase
D.
catalase
✓
B.
Lysosomes
D.
Centrioles
A.
Anaphase
B.
Metaphase
C.
Prophase
D.
Telophase
B.
nucleoplasm
D.
nuclear sap
Nucleus contains chroma n network and soubel sap called: A.
cytoplasm
C.
protoplasm
✓
The mechanism in which cell membrane may take materials in the form of vacuoles is termed as A.
Phagocytosis
C.
Pinocytosis
✓
B.
Endocytosis
D.
Both a and b
Duplica on of Nuclear material in the cell occurs in the phase A.
G1
B.
G0
C.
S
D.
G2
What you suggest for number of chiasma formed at pachytene per pair A.
1
C.
3
✓
B.
2
D.
Variable
In frog each cell has:
✓
A.
6 chromosomes
B.
16 Chromosomes
C.
26 chromosomes
D.
46 chromosomes
The colourless triangular or tubular plas d found in underground parts of the plant and store food is A.
Chloroplasts
B.
Chromoplasts
C.
Leucoplasts
D.
Proplas ds
Crossing over is one of the unique event for phenotypic varia ons in organisms during C.
Q.616
B. D.
Chromosomes become condensed and form a network of fine threads during
A. Q.615
✓
Three sets of microtubules (fibers) originate from each pair of:
✓ Q.614
Robert Hooke
C.
Peroxisomes are characterized by containing H2O2 - producing oxidases and:
✓ Q.611
A.
Which of the following is diffusion: A. Movement of solute molecules form the B. Movement solvent molecules form the higher higher to lower concentra on to lower concentra on C. Movement of solute molecules from lower to ✓ D. Movement of solvent molecules form lower higher concentra on to higher concentra on The contents of the vesicles appearing in center of dividing cell contribute to the forma on of
✓ Q.608
Page 38
Anaphase-I of meiosis Meiosis-II
✓
B.
Prophase-I of meiosis
D.
None of the above
Cells of animals and plants are complex and have a dis nct nucleus and are called: A.
eukaryo c
C.
metazoan
Synthesis of new DNA occurs during A.
Prophase
C.
Mitosis
B.
prokaryo c
✓
D.
parazoa
✓
B.
Interphase
D.
Cytokinesis
One of the following protects the cells from invading organisms or any other foreign object A.
Ribosomes
C.
Peroxisomes
✓
B.
Lysosomes
D.
Glyoxisomes
rRNA is synthesized in one of the following cell organelle
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Mitochondria
B.
Chloroplast
C.
Nucleolus
D.
Nucleus
A.
Mitosis
C.
Both of these
✓
B.
Meiosis
D.
None of these
The speed of tumour cells and establishment of secondary areas of growth is called: A.
Epistasis
B.
Prosta
s
C.
Metastasis
D.
Pleiotropy
RNAs play essen al role in:
✓
A.
Protein biosynthesis
B.
Lipid biosynthesis
C.
Carbohydrate biosynthesis
D.
Fa y acid metabolism
Any foreign object that gains entry into the cell is immediately engulfed by the:
✓
A.
Lysosomes
B.
Ribosomes
C.
Peroxisomes
D.
Glyoxisomes
In case of human cell average cell cycle is about_______:
✓ Q.624
A.
Spore mother cells of plants show which kind of division for spore forma on?
✓ Q.621
Page 39
A.
20 minutes
B.
30 minutes
C.
24 hours
D.
10 hours
Natural death of cells is:
✓
A.
Apoptosis
B.
Necrosis
C.
Metastasis
D.
Malignancy
The cell which is metabolically more ac ve A.
Eukaryo c
C.
Skin cells
Meiosis is further divided into _______ division. A.
Three
C.
Four
✓ ✓
B.
Prokaryo c
D.
Epithelial cell
B.
Two
D.
Mul ple
A network of very of fine threads called chroma n can be visualized in cell during.
✓
A.
interphase
B.
prophase
C.
metaphase
D.
anaphase
B.
Ribonucleoprotein
D.
Riboglycolic acid
Ribosomes are par cles of: A.
Riboglycoprotein
C.
Riboglycolipid
✓
The specialized microtubule structure including aster and spindle is called: A.
Amito c apparatus
C.
Meio c apparatus
✓
B.
Mito c apparatus
D.
Golgi apparatus
Human eye can differen ate between two objects which are ____ apart? A.
2nm
C.
1nm
✓
B.
1mm
D.
2mm
In seed rich in lipids such as castor bean and soya beans, glyoxysomes are the sites breakdown of fa y acids to: A.
malate
C.
fumarate
The surplus food is stored in: A.
Chlorenchymatous Cells
C.
Photosynthe c Cells
✓ ✓
B.
citrate
D.
succinate
B.
Parenchymatous Cells
D.
Meristema c Cells
G1 is me between the end of mitosis and ini a on of DNA synthesis, also called as:
✓
A.
pre-DNA synthesis phase
B.
DNA synthesis phase
C.
post-DNA synthesis phase
D.
none
How many me the resolu on of electron microscope is greater than naked eye? A.
400
C.
200
✓
B.
250,000
D.
500
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The free floa ng cell organelles move about in cytoplasm due to cytoplasmic:
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A.
Oceanic movement
C.
Wavy movements
Cancer is a ______ in gene c control A.
Improvement
C.
Success
Q.649
To and fro movements
B.
Failure
D.
Disease
cisternae
C.
pouch
D.
pod
Chlorophyll molecule resembles the haem group of:
✓
A.
myoglobin
B.
haemoglobin
C.
immunoglobulin
D.
insulin
B.
Protoplasm
D.
Karyolympn
The soluble sap in nucleus is called A.
Cytoplasm
C.
Cytosol
✓
It controls life and ac vi es of cell
✓
A.
Nucleus
B.
Mitochondria
C.
Chloroplast
D.
ER
The enzymes for extracellular diges on are released by
✓
A.
Lysosomes
B.
Peroxisomes
C.
Glyoxysomes
D.
Secondary lysosomes
During interphase of the cell cycle the chromosomes are not visible even with: A.
compound microscope
C.
electron microscope
✓
B.
light microscope
D.
phase-contrast microscope
The en re cell wall of the prokaryo c cell is o en as a single huge molecule known as A.
Cellulose
C.
Nucleoprotein
✓
B.
Murein
D.
Lipoprotein
Lysosomes were first isolated in 1949 by:
✓
A.
De Duve
B.
De varies
C.
Palade
D.
Tay-Sach
B.
diakinesis
D.
cytokinesis
The decision of the whole calle is called: karyokinesis kryptokinesis
✓
The exact replica of chromosome is
✓
A.
Chroma d
B.
Chroma n
C.
Centromere
D.
Plasmid
B.
How much size of an object have
✓
C.
How much its two points are apan
✓
B.
Telophase II
D.
Telophase
Resolu on means: A. How much an object become large with microscope How much light an eye or microscope absorb
During meiosis at which stage a cell can have four nuclei A.
Telophase I
C.
Anaphase
Spindle fibres are mainly composed of a protein called
✓ Q.650
D.
B.
D. Q.648
Streaming movements
cristae
C.
Q.647
✓
B.
A.
A. Q.646
✓
The material present in endoplasmic re culum is separated form the cytoplasmic material by the spherical or tubular membrane, called.
✓
Q.638
Page 40
A.
Histone
B.
Histamine
C.
Tubulin
D.
Insulin
Disease related to lysosome
✓
A.
Tray-sach's
B.
Glycogenosis type II
C.
Both a & b
D.
None of these
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Sperms and eggs of Drosophila have chromosomes:
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A.
4
B.
8
C.
16
D.
32
Who (1880) said that all presently living cells have a common origin because they have basic similari es in structure and molecules etc: A.
August Weismann
C.
Rudolph Virchow
C.
Anaphase
D.
Telophase
B.
Flagella or cilia
D.
Kinetochore
Which is modified centriole A.
Centrosome
C.
Bascal body
Q.664
Q.665
✓
A.
Malignancy
B.
Melanoma
C.
Sarcoma
D.
Growth
Trisome "18" is _________ syndrome
✓
A.
Edward's
B.
Turner's
C.
Metafemale
D.
Jacob's
B.
All Cells have nuclei
D.
Cells reproduce by mitosis and meiosis
✓
A. C.
✓
A.
Telophase
B.
Anaphase
C.
Metaphase
D.
Interphase
Chromoplasts help in pollina on and dispersal of:
Q.667
A.
flowers
B.
fruits
C.
seeds
D.
plants
The diges ve vauoles and autophagosomes are also known as : A.
Primary Lysosomes
C.
Phagocy c Lysosomes
✓
B.
Secondary lysosomes
D.
Peroxide
B.
Mitosis of animal cells
D.
All above are true
The number of chromosomes remains constant in A.
Mitosis of plant cells
C.
Mitosis of both type of cells
✓
The most important func on of the cytoplasm is to act as a store of: A.
Surplus chemicals
C.
Waste chemicals
The site for breakdown of fa y acids to succinate is A.
Ribosomes
C.
Lysosomes
✓ ✓
B.
Vital Chemicals
D.
Reac ve chemicals
B.
Glyoxysomes
D.
Peroxisomes
The cell wall is secreted by
✓
A.
Protoplasm
B.
Endoplasmic re culum
C.
Golgi complex
D.
Nucleu
They are organelles of symbio c origin
✓ Q.666
✓
The presence of invading cells in otherwise normal ssue is an indica on of:
✓
Q.663
Lorenz Oken Metaphase
Q.658
Q.662
D. B.
All cells are living Cells Are fundamental structural units of plants and animals Reverse of prophase is
Q.661
Louis Pasteur
Prophase
Cell theory states that:
Q.660
B.
A.
Q.657
Q.659
✓
The separa on of homologous chromosomes occur during:
✓ Q.654
Page 41
A.
Nucleus & mitochondria
B.
Golgi & E.R
C.
Chloroplast & mitochondria
D.
None of these
Those reac ons in which simpler substances are combined to from complex substances are
✓
A.
Anabolic reac on
B.
Catabolic reac on
C.
Oxida on reac on
D.
Reduc on reac on
Ions involve in transla on
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Zn++
B.
Ca++
C.
Mg++
D.
Mn++
B.
Congenital diseases
D.
Inherited diseases
A.
Genital diseases
C.
Muta onal disease
✓
the hereditary material is equally distributed in the daughter call in: A.
meiosis
C.
amitosis
✓
B.
mitosis
D.
none
The idea that living things arise spontaneously from non-living things is known as A.
Germ Theory
B.
Cell Theory
C.
Abiogenesis
D.
Biogenesis
B.
Present in higher plant
D.
All of the above
B.
Pec n
B.
Glycolysis
D.
Fa y acid metabolism
B.
Failure of 21st chromosome to segregate
D.
Failure of 26th chromosome to segregate
Which op on is most relevant about centrioles? A.
Both centrioles are at distance
C.
Self replica ng
✓
Fungal cell wall is made up of:
✓
A.
Cu n
C.
Cellulose
Which of the func on diest not occur in mitochondria? A.
Kreb cycle
C.
Aerobic respira on
Downs Syndrome is caused due to A.
Failure of 24th chromosome to segregate
C.
Failure of 25th chromosome to segregate
✓ ✓
All presently living cells have a common origin who said these words? A.
Rudolph Virchow
C.
Robert Brown
✓
B.
Louis Pasteur
D.
August Weismann
B.
It has high magnifica on
D.
All of these
Electron microscope is be er than light microscope because: A.
It had light resolu on
C.
It given three dimensional images
✓
Lysosomes func on in:
✓ Q.678
A.
The storage diseases also known as
✓ Q.671
Page 42
A.
Extracellular diges on
B.
Intracellular diges on
C.
Both a and b
D.
Fat breakdown
The lysosomes which eat parts of its own cell are known as:
✓
A.
Autophagosomes
B.
Primary lysosomes
C.
Secoondary
D.
Both (a)&(b)
Golgi apparatus consists of stacks of fla ened, membrane bound sacs, called: A.
Cristae
C.
Pouch
✓
B.
Cisternae
D.
Pod
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Biological Molecules
Pep de bond is a:
✓
A.
C-N link
B.
C-O link
C.
N-H link
D.
C-H link
B.
75 - 90
D.
60 - 80
How many nucleo des from tRNA A.
60 - 75
C.
70 - 80
✓
Palmi c acid is more soluble than butyric acid in
✓
A.
Ether
B.
Water
C.
Acid solu ons
D.
Salt solu on
B.
figs
D.
all a, b, c
In free state, is present in all fruits, beings abundant in: A.
grapes
C.
date
✓
The structure maintained by three types of bonds, namely ionic, hydrogen, and disulfide (-S-S-) is:
✓ Q.6
Page 1
A.
Primary structure
B.
Secondary structure
C.
Ter ary structure
D.
Quaternary structure
Ester linkage are found in:
✓
A.
Lipids
B.
Proteins
C.
Nucleic acids
D.
Chromophore
Phospholipids are deriva ves of phospha dic acid, which are composed of: A.
glycerol
C.
phosphorous
✓
B.
fa y acids
D.
all a,b,c
The mel ng point of palmi c acid is:
✓
A.
13.5oC
B.
63.1oC
C.
27.9oC
D.
36.7oC
The amount RNA is ______ % of the total cell weight in the bacterial cell
✓
A.
6%
B.
4%
C.
3%
D.
1.1%
B.
Glucopyranose
D.
Pyro Glucanase
B.
Glucopyranose
D.
B and C
Glucose will form a ring known as: A.
Ribofuranose
C.
Furoribanose
Glucose forms six cornered ring known as A.
Ribofuranose
C.
Glucofuranose
✓ ✓
A deriva ve of phospha dic acid composed of glycerol, fa y acids and phosphoric acid is
✓
A.
Phospholipids
B.
Oil
C.
Wax
D.
Isoprenoid
One of the followings found that agent responsible for rabies can pass through porcelain filters through which bacteria cannot pass A.
Louis Pasteur
C.
Twort
✓
B.
Charles Chamberland
D.
D'Hellere
Most important hexose is ______ which is an aldo sugar
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D.
Glucose
An gens
B.
Prothrombin
C.
An bodies
D.
All
A.
Enzyme & Substrate
B.
Coenzyme & substrate
C.
Enzyme & product
D.
Cofactor & substrate
A.
2.4 picogram
C.
2.1 picogram
✓
✓
B.
2.3 picogram
D.
3.3 picogram
B.
they catalyze the breakdown of large molecules into smaller ones they reduce the amount of energy required to start a reac on
D.
Plant fats are A.
Solids
B.
Gases
C.
Oils
D.
All
B.
4
D.
10
RNA primer has approximately how many nucleo des A.
2
C.
5
✓
Carbon and hydrogen bond (C-H bond) is the poten al source of---------for cellular ac vi es. A.
Kine c energy
C.
Solar energy
✓
B.
Heat energy
D.
Chemical energy
Enzymes have _________ shape A.
Fibrous
B.
Filamentous
C.
Globular
D.
None of these
In the binomial system of taxonomy,developed during the 18th century by carolos linnaeus, the first word of an organism's name (e.g., Homo sapiens) is its A.
Species
C.
Race
✓
B.
Genus
D.
Family
Which of the following is a complex of globular protein with non-proteinaceous material? A.
collagen
B.
egg albumen
C.
hemoglobin
D.
fibrinogen
When a carbon atom combines with four atoms or radicals, it gives a stable configura on and form a symmetry that is called
✓ Q.26
Lactose
A.
Which statement is true of all enzyme? A. they are denatured at temperatures above °C 60 C. they have ac ve sites which can bind to only one kind of substrate molecule
✓ Q.25
B.
The amount of DNA in the red blood cells nucleus of chicken is
✓ Q.23
Maltose
✓
The cofactor usually acts as "bridge" between the:
✓ Q.20
Ribose
The proteins which defend body against pathogens are called
✓ Q.16
Page 2
A.
Ring structure
B.
Hedron
C.
Tetrahedron
D.
Branched chain
Which one of the following reac ons results in the conversa on of amino acids to proteins?
✓
A.
condensa on
B.
deamina on
C.
hydrolysis
D.
phosphoryla on
Carbohydrates may combine with lipids to from: A.
carbolipids
C.
glycolipids
✓
B.
hydrolipids
D.
lipocarbohydrates
The RNA molecules occur as
✓
A.
Single strand
B.
Double helix
C.
Mul strands
D.
Globulus
The number of calories required to raise the temperature of 1 gm of water from 15 to 16°C is called
✓
A.
Heat capacity of water
B.
Heat of vaporiza on
C.
Specific heat capacity of water
D.
Ioniza on of water
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The rod shaped phage is
✓ Q.31
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✓
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C.
Helical
D.
Complex
B. D.
Their intes ne contain microorganisms which produce cellulose It is suitable to the them
✓
A.
Transcrip on
B.
Transla on
C.
Replica on
D.
Regenera on
A.
Reducing sugar
B.
None reducing sugars
C.
Glucose reducing and fructose non reducing
D.
Glucose non reducing and fructose reducing
A.
Primaray
B.
Secondary
C.
Ter ary
D.
Quaternary
About 60% of adults are immune to A.
Herpes simplex
B.
influenza
C.
Mumps
D.
Measles
DNA is made up of:
✓
A.
deoxyribonucleo des
B.
oxyribonucleo des
C.
ribonucleo des
D.
nucleo des
B.
Being proteinaceous in reac ons
D.
Having a high diffusion
Enzymes are different form inorganic catalysts in: A.
No being used up on reac ons
C.
Working at in high temperature
Which one of the followings is called "infec ous hepa
✓
✓ s"?
A.
Hepa
sA
B.
Hepa
sB
C.
Hepa
sC
D.
Hepa
sD
Waxes protect plants ______ from A.
Abrasive damage
B.
Water loss
C.
A and b
D.
None
Enzyme involved in pep de bond forma on during transla on? A.
Transpep dase
B.
Aminoacylg transferase
C.
Pep dyl transferas
D.
All of these
The word carbohydrate literally means hydrated: A.
water
B.
nitrogen
C.
oxygen
D.
carbon
Heat provides A.
Ac va on energy
C.
Kine c energy
✓
B.
Excita on energy
D.
All of these
Glycerol donates which group to fa y acid to form triglyceride
✓
A.
OH
B.
H
C.
Both a & b
D.
Phosphate
The interconversion of organic compounds, con nuously occur in living cells and is an example of
✓ Q.45
Cuboidal
Insulin has ________ structure:
✓ Q.42
B.
Fructose and glucose are
✓ Q.41
Icoshedral
RNA is synthesized from DNA in a process
✓ Q.40
A.
The herbivores can digest cellulose because: A. They produce an enzyme called cellulase, which digest cellulose C. The digest cellulose by fermenta on
✓ Q.36
Page 3
A.
Co-ordinated catabolism
B.
Co-ordinated anabolism
C.
Both a and b
D.
None
Enzymes, hormones and an bodies are which of the following types of proteins
✓
A.
Globular
B.
Fibrous
C.
Beta Pleated Sheet
D.
Conjugated
B.
Chemical components in the living organisms
Which of the following not studied in biochemistry: A.
Chemical processes in the living organisms
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D.
Metabolic reac on during respira on complementary strand of mRNA which codes for one amino acid tRNA molecule which recognizes the appropriate sequence of bases on the mRNA
Which is capable of destroying cell internal structure A.
Cellulose
C.
Pepsinogen
Sex determina on can be studied in A.
Unisexual plants
C.
Monocious plants
B.
Lipase
✓
D.
Pepsin
✓
B.
Bisexual plants
D.
Intersex plants
B.
Easily soluble in water
D.
None
One of the op on is not a property of mono-saccharides A.
Sweet in taste
C.
Hydrolysed into simpler sugars
✓
Large molecules like glycogen, starch and cellulose also serve as storage for smaller molecules like A.
Nucleo des
C.
Thyamine
✓
B.
Amino acids
D.
Glucose
The ioniza on of the amino acids at the ac ve site can be changed by a slight change in: A.
temperature
C.
enzyme concentra on
✓
B.
substrate concentra on
D.
pH
In the herbivores cellulose is digested because of micro-organisms such as: A.
bacteria
B.
yeasts
C.
protozoa
D.
all a, b, c
Covalently bounded cofactor is
✓
A.
Prosthe c group
B.
ATP
C.
NADP
D.
Mg2+
Carbon combines with nitrogen in amino acid linkages to form:
✓
A.
Pep de bonds
B.
Ester bonds
C.
Glycosidic bonds
D.
Ionic bonds
Nails, Hoofs and horns are formed off:
✓
A.
Kera n
B.
Chi n
C.
Car lage
D.
Bone
Non-compe
ve inhibitors form enzyme inhibitor complex at a point other then the:
A.
cataly c site
C.
binding site
Main component of fungus cell wall is A.
Pep doglycan
C.
Lignin
✓ ✓
B.
ac ve site
D.
both a & b
B.
Chi n
D.
Cellulose
Lipids are:
✓ Q.60
Digested process in the living organisms
An an -codon is the sequence of the nitrogenous bases on the A. complementary strand of DNA which codes B. for one amino acid C. tRNA molecule where the amino acid is ✓ D. a ached
✓ Q.54
C.
Page 4
A.
Polymers of amino acids
B.
Polymers of fa y acids
C.
Ester of fa y acids and alcohols
D.
Polymer of nucleic acid
B.
2.00
D.
9.70
B.
Secondary
D.
Quaternary
The op mum pH for pepsin is A.
7.00 - 8.00
C.
5.50
✓
β - pleated sheet is __________ structure A.
Primary
C.
Ter ary
✓
Every living cell has a:
✓
A.
Membrane
B.
Cell wall
C.
Chloroplast
D.
Food vacuole
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Each turn of DNA strand is _________ angstrom:
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B.
34
D.
34
catabolic reac ons
C.
anabolic reac ons
A.
63.1°C
C.
-63.1°C
✓ ✓
B.
exothermic reac ons
D.
endothermic reac ons
B.
-8°C
D.
8°C
A.
mRNA
B.
rRNA
C.
dRNA
D.
tRNA
B.
Arginase
D.
Sucrase
A.
Pepsin
C.
Lipase
✓
In animals the fa y acids are straight chains, while in plants these are
✓
A.
Branched
B.
Ringed
C.
Both a & b
D.
Straight Chain
Which of the following is not an a ribute of enzyme? A.
They are specific in nature
C.
They are not used up in reac ons
✓
B.
The are used up in reac ons
D.
They speed up tate of biochemical reac on
In nucleosome, _________ acts a magne c force
✓
A.
Histone core
B.
DNA strand
C.
Both
D.
Lipids & proteins
Exact replica on of DNA is possible due to A.
Gene c code
B.
Mitosis
C.
Base pairing rule
D.
DNA is enclosed in a membrane
B.
Phosphate group
✓
D.
Choline
B.
Is not a ached to DNA
✓
D.
Forms H-bonds with an sense strand
Phospha dic acid lacks A.
Fa y acids
C.
Glycerol
RNA formed during transcrip on A.
Is a ached to double strand DNA
C.
Forms H-bonds with coding strand
Which one of the following molecules contains amino aicds? A.
ascorbic acid
B.
cellulose
C.
collagen
D.
galactose
All the chemical reac ons taking place within a cell are collec vely called: A.
Anabolism
B.
Catabolism
C.
Metabolism
D.
Chemibolism
The main difference between nucleo de and nucleoside is the absence of A.
Nitrogen base
C.
Ribose sugar
✓
B.
Phosphoric acid
D.
None of these
Single strand binding proteins play a significant role in
✓ Q.78
A.
Which of the following enzyme has pH 9.70:
✓ Q.76
44
✓
Amino acid molecules are transferred to the site where pep de chains are being synthesized by:
✓ Q.75
C.
Mel ng point of Butyric acid is
✓ Q.72
24
Those reac on in which simpler substances are combined to form complex substances are called:
✓ Q.67
A.
Page 5
A.
Gene expression
B.
Transla on
C.
Replica on
D.
Transcrip on
For diges on of cellulose, the micro-organisms present in herbivores secrete an enzyme called: A.
Cellulase
C.
Dehydrogenase
✓
B.
Hydrogenase
D.
Herbivorous
B.
Oligosaccharide
Sucrose and lactose are important A.
Mono-saccharide
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Percentage of water in Bacterial cell in
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10 %
C.
80%
A.
C-H link
C.
C-O link
✓
D.
None
✓
B.
70%
D.
50%
✓
B.
C-N link
D.
N-H link
Morgan got what percentage of mutants in F2 A.
33%
B.
25%
C.
18%
D.
20%
B.
Lower energy of ac va on
D.
Alter Kc value
B.
Ionize in water
D.
In-soluble in water
How enzymes increase the rate of reac on A.
Provide energy of ac va on
C.
Increase temperature
✓
Non-polar organic molecules are A.
Soluble in water
C.
Hydrophilic for water
Covalent Bond Stores A.
Low amount of energy
C.
No energy
✓ ✓
B.
Large amount of energy
D.
Moderate amount of energy
A pep de bond is formed between
✓ Q.87
A.
Pep de bond is a :
✓ Q.83
Poly-saccharide
Page 6
A.
C______H
B.
C______O
C.
C______N
D.
O______N
One of the common secondary structures of protein is
✓
A.
Alpha helix
B.
Triple helix
C.
Beta pleated sheet
D.
None of these
Which one of the following proteins consists of four chains, two alpha and two beta chains? A.
Insulin
C.
Fibrinogen
✓
B.
Haemoglobin
D.
Thrombin
Of the cellular RNA, tRNA comprise about:
✓
A.
5 to10%
B.
10 to 20%
C.
7 to 14%
D.
15 to 30%
B.
Carboxyl group
D.
Type or nature of R group
Amino acids mainly differ due to A.
Amino group
C.
Alpha group
✓
Messenger RNA carries gene c informa on from
✓
A.
DNA to ribosomes
B.
RNA to ribosomes
C.
DNA to cytoplasm
D.
RNA to cytoplasm
Which is a sexual p[rocess in the bacteria?
✓
A.
Conjuga on
B.
Transla on
C.
Transduc on
D.
All of these
B.
Two to ten
D.
Ten to twenty
B.
Choline
D.
Phospha dylcholine
On hydrolysis, oligosaccharides yield monosaccharides from: A.
One to ten
C.
Two to twenty
✓
Common example of phospholipids is A.
Phosphocholine
C.
Ethanolamine
✓
A water molecule is eliminated during a reac on between the amino group of one amino acid and the carboxyl group of another, the process is: A.
compensa on
C.
condensa on
✓
B.
decondensa on
D.
dehydra on
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Q.97
Which serves as the storage of smaller molecules
Q.99
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Starch
C.
Cellulose
Q.111
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All of these
B.
F. Sanger
C.
Koshland
D.
Melvin Calvin
A.
4
C.
9
✓
B.
2
D.
3
The nucleohistones are present in:
✓
A.
nucleus
B.
chromosomes
C.
nucleolus
D.
glyoxysomes
B.
UAA
D.
All of these
Which of the following is nonsense codon? A.
AUG
C.
CUA
✓
Polypep de bends & folds upon itself forming a globular shape in which structure?
✓
A.
Ter ary
B.
Primary
C.
Secondary
D.
Quaternary
Nico namide adenine dinucleo de, abbreviated as NAD, is an example of: A.
Trinucleo de
C.
Dinucleoside
✓
B.
Dinucleo de
D.
Nucleoid
B.
Four number carbon of ribose
D.
One number carbon of ribose
B.
C-O
D.
C-S
DNA is differed from RNA due to absence of oxygen group at A.
Five number carbon of ribose
C.
Three number carbon of ribose
The glycosidic bond is: A.
C-N
C.
C-H
✓ ✓
Nega ve logarithm of hydrogen ion concentra on is termed as
✓
A.
pH
B.
Heat of reac on
C.
Hydrogen concentra on in the cell
D.
None of these
Storage carbohydrate in animals is: A.
Glucose
B.
Starch
C.
Glycogen
D.
Cellulose
The enzyme involved in the synthesis of proteins is integral part of Chloroplasts Golgi complex
✓
B.
Mitochondria
D.
Ribosomes
A three dimensional cavity bearing a specific charge by which the enzyme reacts with its substrate is called.
✓
A.
Ac ve site
B.
Binding site
C.
Catalyst site
D.
Substrate
RNA is present in the:
✓ Q.110
D.
Emil Fisher
C.
Q.109
Protein
A.
A. Q.108
✓
B.
Percentage of lipid in mammalian cell is:
✓ Q.107
A.
The "induce Fit Model" for enzyme ac on was put forward by
✓ Q.98
Page 7
A.
Nucleolus
B.
Ribosomes
C.
Cytosol
D.
All a, b, c
DNA dictates a coded message for protein synthesis directly to
✓
A.
m RNA
B.
r RNA
C.
ATP
D.
tRNA
B.
Albumin
D.
Rubisco
Most abundant protein A.
Kera n
C.
Dehydrogenases
✓
Two polynucleo de chains are held together by hydrogen bonds, this is its A.
Ter ary structure
✓
B.
Secondary structure
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✓
Q.119
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Q.121
A.
Genome only
C.
Genome and capsid
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Q.128
prion only Nucleic acid + protein coat + membrane of the host cell
A.
Lipids
B.
Carbohydrates
C.
Glucose
D.
Glycerol
A.
2 - 20
B.
20 - 30
C.
25 - 35
D.
35 - 40
A.
Bacteriophages
B.
Prophages
C.
T-phages
D.
Lambda phages
The cellular poll consists of: A.
Organic molecules
B.
Inorganic molecules
C.
Both organic and inorganic molecules
D.
Nucleic acid
Secondary structure is most important in:
✓
A.
Fibrous proteins
B.
Globular proteins
C.
Ovular proteins
D.
Tough proteins
A mono-unsaturated fa y acids having C = 18, what is the formula A.
C18H35COOH
C.
C17H35COOH
✓
B.
C17H33COOH
D.
C18H33COOH
B.
Four
D.
Five
Ring of Ribofuranose has how many corners? A.
Six
C.
Three
✓
Why ATP is not required during pep de bond forma on during transla on A. C.
Q.122
B. D.
The best known phages are
✓ Q.118
None of these
Long chain alkanes found in the waxes have no. of carbon atoms ranging from
✓ Q.117
D.
Which have rela vely low propor on of oxygen?
✓ Q.116
Primary structure
Mature non-enveloped virus consists of
✓ Q.114
Page 8
Because it is energe cally less costly Because its detachment from tRNA provides energy Which structure is most important in fibrous proteins A.
Primary
C.
Ter ary
✓ ✓
B.
Because it does not cost energy
D.
Because its enzyma c ac vity
B.
Secondary
D.
Quaternary
The smallest known virus that contains RNA is in its spherical capsid is
✓
A.
Polio virus
B.
Influenza virus
C.
Herpes virus
D.
Small pox virus
Meselson and Stahl grew bacteria in a medium containing heavy isotope of A.
Sulphur
C.
Phosphorus
Drosophila has only A.
Two pairs of chromosomes
C.
Six pairs of chromosomes
✓ ✓
B.
Nitrogen
D.
Oxygen
B.
Four pairs of chromosomes
D.
Eight pairs of chromosomes
According to lock an key model the ac ve site is:
✓
A.
rigid structure
B.
so structure
C.
terrible structure
D.
a rac ve structure
B.
Ringed fa y acids
D.
Unsaturated fa y acids
B.
ioniza on of substrates
C.
shape of enzyme
Fa y acids which contain no double bond are called: A.
Straight fa y acids
C.
Saturated fa y acids
A slight change in pH can change: ✓ A. ioniza on of the amino acids at the ac ve site
✓
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Q.130
Q.131
Q.132
Q.133
✓
Q.136
Q.137
A.
condensa on
B.
displacement
C.
combus on
D.
synthesis
The molecules of fructose and joined to form: A.
Maltose
C.
Ribose
Ribosomal RNAs along with protein cons tute: A.
Peroxisomes
C.
Glyoxysomes
B.
Lacoste
✓
D.
Sucrose
✓
B.
Ribosomes
D.
Microsomes
The infec ous proteins that contain informa on that code for their own replica on are A.
Virions
C.
Bacteriophages
✓
B.
Prions
D.
Retroviruses
Percent amount of carbohydrates in a Bacterial cell A.
4
B.
3
C.
2
D.
1
What is main source of carbohydrate for animals
✓ Q.135
configura on of ac ve site
Two monosaccharides combine buy a means of a reac on:
✓ Q.134
Page 9
A.
Cellulose
B.
Glycogen
C.
Starch
D.
All of these
A heterogeneous group of compounds related to fa y acids is:
✓
A.
Protein
B.
Lipid
C.
Carbohydrate
D.
nucleic acid
B.
1,4
D.
1,2
What kind of Glycosidic linkage is found in sucrose? A.
1,6
C.
2,6
✓
TATAAT box of prokaryotes is _______ sequence
✓
A.
-10
B.
-35
C.
-25
D.
-70
Q.138
Dry sees can end higher temperature then the germina ng seeds because: ✓ B. Hydra on makes the enzymes more sensi ve A. Dray sees, have more reserve food to temperature C. Dry seeds are hard D. The seedling are tender
Q.139
When complex substances break into simpler substances, the chemical reac on is called
Q.140
Q.143
Q.144
C.
Metabolism
✓
B.
Catabolism
D.
All
A.
Enzyme
B.
Substrate
C.
Enzyme substrate complex
D.
Product
B.
Light
D.
Velocity of wind
B.
510
✓
D.
574
B.
Protein
✓
D.
All of these
Enzyme are sensi ve to:
✓ Q.142
Anabolism
The most unstable of the following is
✓ Q.141
A.
A.
Rainfall
C.
Change in pH
Specific heat of vaporiza on of water is A.
560
C.
564
K cal/kg
Enzymes are responsible for assembly of A.
Nucleic acid
C.
Carbohydrates
Cellulose of wood, paper, starches present in cereals and root tubers, cane sugar and milk sugar are all A. C.
Proteins Lipids
✓
B.
Fa y acids
D.
None
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The sequence of amino acids in a polypep de chain is determined by
✓ Q.146
Q.148
A.
Number of amino acids
B.
Order of nucleo des in the DNA
C.
Number of R-group in amino acids
D.
Alpha carbon in amino acids
Enzymes are:
✓ Q.147
A.
carbohydrates
B.
lipids
C.
proteins
D.
nucleic acids
The mad cow infec on and mysterious brain infec on in man is believed to be caused by
✓
A.
Prions
B.
Virions
C.
Virioids
D.
Capsids
B.
Disaccharide
D.
Poly-saccharide
B.
KCI
D.
Cscl
Dextrine is a A. C.
Q.149
Q.150
Q.151
Q.153
Q.154
Q.155
Q.156
Q.158
Q.159
✓
Q.161
A.
NaCl
C.
CsOH
✓
A.
Pep de bond
B.
Ester bonds
C.
Glycosidic bonds
D.
Ionic bonds
The percent of lipid in mammalian cell is: A.
1%
B.
2%
C.
3%
D.
4%
At 25°C the concentra on of each of H° and OH° in pure water is about:
✓
A.
6-7mole/litre
B.
8-7mole/litre
C.
10-7moles/litre
D.
12-7mole/litre
When 1g water is heated from 15°C to 16°C, heat absorbed is A.
10 Calories
C.
2 Calories
✓
B.
1 Calories
D.
5 Calories
B.
6
D.
9
Carbohydrate compounds appear in glycolsis contains carbon A.
5
C.
7
✓
Polysaccharides are synthesized in plants by the process of
✓
A.
condensa on
B.
glycolysis
C.
hydrolysis
D.
oxida on
Prison is a/an A.
Infec ous part of virion
B.
Infec ous proteins only
C.
A piece of RNA
D.
A piece of DNA
B.
Lactose
D.
Fructose
B.
Prosthe c group
D.
Cofactor
Which of the following is not monosaccharide: A.
Glucose
C.
Ribose
Haem is an iron containing pigment it acts are A.
Inhibitor
C.
Ac vator
✓ ✓
The two chains of insulin are held together by
✓ Q.160
Oligosaccharide
✓
Carbon combines with nitrogen in amino acid linkages to form
✓ Q.157
Monosaccharide
In Meselon & Stahl experiment, they dissolved DNA into
✓ Q.152
Page 10
A.
Pep delinkage
B.
Sulphide linkage
C.
Disulphide bridge
D.
Hydrogen bonding
There are three types of RNA molecules viz.,:
✓
A.
mRNA, nRNA & cRNA
B.
mRNA, rRNA & tRNA
C.
cRNA, dRNA, & tRNA
D.
mRNA, gRNA, & tRNA
B.
It increase the vibratory movement of the molecules of the enzyme make it dnature
High amount of heat checked the reac on rate because: A. It increases the movement of moleecuels of the av ve site
✓
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Q.177
D.
It destroy substr states
A.
Disulfide bond
C.
Covalent bond
✓
B.
Hydrogen bond
D.
Hydrophobic Interac on
A cell must have at least 20 kinds of
✓
A.
t RNA
B.
m RNA
C.
c RNA
D.
r RNA
B.
Isoprenoid unit
D.
Steroid unit
Terpenoids are made up of a simple repea ng unit A.
Prenoid unit
C.
Terpene unit
Carbohydrates are organic compounds consis ng of: A.
C, H & N
C.
C, H & S
Enzyme reac on is directly propor onal to A.
Enzyme concentra on
C.
Temperature
✓ ✓ ✓
B.
C, H & O
D.
C, H, N & O
B.
Substrate concentra on
D.
pH
Haemoglobin exhibits which of the following structures A.
Primary
B.
Secondary
C.
Ter ary
D.
Quarternary
B.
Anabolic reac on
D.
None
B.
ac ve transport
D.
endosmosis
Energy is required for A.
Catabolic reac on
C.
Both a and b
✓
Iden fy the process in which proteins transport to the cell A.
diffusion
C.
osmosis
✓
Free hydroxyl group is present at which carbon of a DNA nucleo de
✓
A.
2
C.
Both
The second step of central dogma is A.
Transcrip on
C.
Replica on
✓
B.
3
D.
5
B.
Transla on
D.
Muta on
B.
equal
D.
two
Hydrogen bonds between C and G are:
✓ Q.173
It make the enzyme inac ve and destroying their ac ve site
The secondary helical structure of protein is kept stable by the forma on of
✓ Q.168
Page 11
A.
five
C.
three
What will be the concentra on of
H+&
OH-ions
in pure water at 25°C?
7
A.
10 mole/litre
C.
107mole/ 1 ml
Glycogen is found abundantly in: A.
liver
C.
both a & b
Lipds are components of cellular membrane they are A.
Hydrophilic in nature
C.
Soluble in water
In bacteria the newly synthesized mRNA is released in A.
Nucleus
C.
Mitochondria
✓ ✓ ✓ ✓
B.
10-7mole/litre
D.
10-7mole/ 1 ml
B.
muscles
D.
kidney
B.
Hydrophobic in nature
D.
None
B.
Cytoplasm
D.
Both a & b
The first infec ous viral disease against which effec ve preven ve measure was developed A.
Polio
C.
Herpes simplex
✓
B.
Small pox
D.
Mumps & Measles
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Q.179
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Covalent bond between two ______ is called glycodisic bond
✓
A.
Monosaccharides
B.
Disaccharides
C.
Oligosaccharides
D.
All
B.
(CH2O)n
D.
(C2H2O)n
The general formula of monosaccharides is A.
(CH2O)
C.
(C2HO)n
A.
Coenzyme
C.
Prosthe c group
Q.184
Q.185
Q.186
Q.187
Q.189
✓
Q.191
✓
Stems
✓
B.
Leaves
D.
Both a & b
A.
Transcrip on
B.
Transla on
C.
Chain elonga on
D.
None of these
A.
amylose
B.
amylochi n
C.
amlyoagar
D.
amylopec n
A.
Coenzyme
C.
Apoenzyme
✓
B.
Prosthe c group
D.
None of these
A.
3,000 nucleo des
C.
5,000 nucleo des
✓
B.
4,000 nucleo des
D.
6,000 nucleo des
Lipoproteins are basic structural framework of which?
✓
A.
Cell membrane
B.
Nuclear membrane
C.
All membrane
D.
Cell wall
The percentage of proteins in the mammalian cell is A.
16
B.
17
C.
18
D.
20
The helical form of a polypep de chain is due to the presence within the molecule of A.
covalent bonds
C.
glycosidic bonds
✓
B.
disulphide bonds
D.
hydrogen bonds
The ter ary structure of proteins is maintained by A.
Hydrogen bonds only
B.
Disulphide bonds only
C.
Disulphide and hydrogen bonds
D.
Dipole-dipole interac ons
The chemical reac ons in which simple substances combine to form complex substances are called A.
Catabolism
C.
Metabolism
✓
B.
Anabolism
D.
All
During transla on pep de bond forma on b/w two amino acids is done in A.
Elonga on
B.
Small subunit
C.
Large subunit
D.
Transpep dase
Any enzyme reacts only with its specific: A.
Surface
B.
Product
C.
Substrate
D.
Reactant
The poly-saccharide that gives red color with iodine and are in-soluble in water is
✓ Q.194
Fruits
For a protein molecule of 1,000 amino acids mRNA will have the length of:
✓ Q.193
All of these
If non-protein part of enzyme is covalently bounded, it is known as
✓ Q.192
Ac vator
Starches which have branched chains and are insoluble in bot or cold water are:
✓ Q.190
B. D.
The process of synthesis of RNA from DNA is
✓ Q.188
✓
Waxes are widespread as protec ve coa ngs on: C.
Q.183
✓
They usually act as a bridge between enzyme and substrate
A. Q.182
Page 12
A.
Cellulose
B.
Starch
C.
Glycogen
D.
None
Solubility of fa y acids in organic solvents and their mel ng points increases with increasing number of
✓
A.
Carbon atoms
B.
Hydrogen atoms
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Q.198
Q.199
✓ ✓
Q.204
Q.205
B.
staphylococcus
C.
Sarcina
D.
Vibrios
A.
Tuberculosis
B.
AIDS
C.
Typhoid
D.
Rabies
A.
DNA
B.
Histone
C.
Nucleus
D.
Nucleo de
A.
Physics
B.
Chemotheropy
C.
Biology
D.
None of all
A.
1 gm
B.
5 gm
C.
10 gm
D.
20 gm
A.
C___H
B.
C___O
C.
C___N
D.
N
Pentose sugar in deoxyribonucleo de is: A.
Ribulos
B.
Oxyribose
C.
Ribose
D.
Deoxyribose
B.
combine with a prosthe c group
D.
occupy an ac ve site
B.
R-group
D.
Carboxylic group
An essen al features of a compe A.
ac vate an operator gene
C.
modify a substrate
✓
A.
Amino
C.
H
✓
Heterogeneous group of compounds related to fa y acids A.
Protein
B.
Carbohydrate
C.
Lipid
D.
DNA
B.
Dextrin
D.
All
B.
0.04 %
D.
0.08 %
Which is polysaccharide? Agar Pec n
✓
Our blood normally contains ______ of glucose A.
0.02 %
C.
0.06 %
✓
What Meselson and Stahl collected a er 40 min of replica on of heavy DNA duplex in light medium? A.
4 hybirds duplexes
B.
2 heavy & 2 lighter duplexes
C.
2 hybirds & 3 lighter duplexes
D.
4 heavy duplexes
An ester is the compound produced as a result of a chemical reac on of an alcohol with an acid and releases a molecules of:
✓
Q.210
ve inhibitor is its ability to
An animo acid is a ached to tRNA by which of its group
✓ Q.209
It is used in transpira on
Streptociccus
C.
Q.208
D.
A.
A. Q.207
It is raw material of photosynthesis
Pep de Bond is formed between
✓ Q.206
B.
717.6 K cal of solar energy is required for the synthesis of _________ glucose
✓ Q.203
It keeps the temperature low Most of the metabolites react in dissolved state and water is the main solvent
Biochemistry is branch of:
✓ Q.202
A. C.
All informa on of structure & func on of a cell is stored preciously in
✓ Q.201
Sulphur atoms
Robert koch discovered the bacteria that caused cholera and
✓ Q.200
D.
Division in three planes, cocci arranged in a cube of
✓ Q.197
Oxygen atoms
Water is essen al for life because:
✓ Q.196
Page 13
A.
Oxygen
B.
Water
C.
Nitrogen
D.
Hydrogen
The No. of amino acids in different proteins varies from a few to:
✓
A.
3000
B.
Even more
C.
Both a & b
D.
2000
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Q.212
An enzyme is a three dimensional protein
✓
Q.215
Q.216
Q.217
Q.218
Q.219
Q.220
Q.221
Q.222
✓
Q.226
Conjugated
A.
Nitrous acid
B.
Phosphoric acid
C.
Fa y acid
D.
Amino acid
B.
The change the rate of catalyzed reac on
C.
They are sensi ve to heat
B.
574
D.
754
D.
Enzymes also consist of carbohydrate
A.
374
C.
474
✓
A.
carboprotein
B.
glycoprotein
C.
hydroprotein
D.
protocabohydrates
B.
Hepa
sE
D.
Hepa
sG
One of the followings is known as "serum hepa A.
Hepa
sB
C.
Hepa
sF
s".
✓
A non-protein part of enzymes is known as
✓
A.
Co-factor
B.
Ac vator
C.
Prosthe c group
D.
Apoenzyme
Phosphoric acid (H3PO4) has the ability to develop ester linkage with OH group of: A.
Pentose sugar
C.
Aldo sugar
✓
B.
Hexose sugar
D.
Keto sugar
A mixture of long alkanes and alcohols,ketones and ester of long chain fatly acids is called
✓
A.
Waxes
B.
Lipids
C.
Phospholipids
D.
None of these
Dark thread like structures visible during cell division inside nucleus A.
Chroma n
C.
Microtubules
✓
B.
Chromosomes
D.
Spindles
One of the following factors can affect the enzyme ac on by bond breakage A.
Temperature
C.
Enzyme concentra on
✓
B.
pH value
D.
Substrate concentra on
One of the following is the example of lipids A.
Wax, oils, fats and dextrin
B.
Wax, Cholesterol, fats and dextrin
C.
Fats, cu n, oils, waxes
D.
All of these
Only 20 types of amino acids are commonly involved in protein synthesis out of A.
125
B.
25
C.
170
D.
70
The induced fit model was proposed by
✓ Q.225
Fibrous
D.
Carbohydrates may combine with proteins to form:
✓ Q.224
B.
Beta Pleated Sheets
Specific heat of vaporiza on of water is _______ Kcal/kg
✓ Q.223
Globular
C.
Which statement about enzyme is not true: A. The consist of proteins, with or without a nonprotein part
✓ Q.214
A.
Each nucleo de is made of three subunits i) a 5-carbon monosaccharide (a pentose sugar) a nitrogen containing base and:
✓
Q.213
Page 14
A.
Emil Fischer 1949
B.
Mike 1959
C.
Koshland 1959
D.
Franklin 1959
B.
blue
D.
violet
Glycogen give which colour with iodine: A.
red
C.
orange
✓
In typical nucleo de, nitrogen base is a ached to which carbon of sugar
✓
A.
C1
B.
C2
C.
C5
D.
C6
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Inorganic cons tuent of cellular pool are:
✓ Q.228
Q.229
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✓
Minerals, gasses and water
C.
Minerals, gases and water
D.
Food vacuole
B.
Glycerol
D.
Phosphoric acid & nitrogen group
A.
Fa y acid
C.
Phosphoric acid & glycerol
✓
A.
Carotenoids & steroids
B.
Xanthophylls & steroids
C.
Carotenoids & chlorophyll
D.
Xanthophylls & phycobilin
A.
Binding site
B.
Cataly c site
C.
Both a and b
D.
None
B.
Disulfide linkage
D.
Pep de Bond
Primary structure of protein is maintained by A.
Ionic bond
C.
Hydrogen bonds
✓
Poisons, like cyanide, an bodies, an metabolites and some, drugs are examples of: A.
enzymes
B.
coenzymes
C.
inhibitors
D.
holoenzymes
Each nucleo de has _______ components
✓
A.
3
B.
4
C.
5
D.
6
Which one of the following bonds permanently to the ac ve site of an enzyme? A.
allosteric inhibitor
C.
compe
ve inhibitor
✓
B.
coenzyme
D.
non-compe
B.
glycogen
D.
cellulose
ve inhibitor
Which is the most abundant carbohydrate in nature: A.
starch
C.
pec n
Which consists of ac ve DNA A.
Heterochroma n
C.
Chroma n
Acidic R groups have charge: A.
posi ve
C.
netural
✓ ✓ ✓
B.
Euchroma n
D.
All of these
B.
nega ve
D.
both a & b
Phospholipids are the compounds derived from A.
Phosphoric acid
B.
Glycerol + Fa y acid
C.
Phospha dic acid
D.
Fa y acid + Phosphoric acid
B.
+ive feedback
D.
Precursor ac va on
B.
water
D.
chloroform
If concentra on of ini al substrate is increased it will A.
-ive feedback
C.
inhibi on
✓
Nonpolar organic molecules, such as fats, are insoluble in: A.
alcohol
C.
benzene
✓
DNA occurs in chromosomes, in the nuclei of the cells and in much lesser amounts in: A.
Mitochondria
C.
Both a & b
✓
B.
Chloroplasts
D.
Peroxisomes
Example of non-reducing sugar is:
✓ Q.243
B.
The region in the ac ve site of an enzyme-that recognizes the proper substrate
✓ Q.239
Nucleo des
Lipids have been classified as acyl glycerols, waxes, phospholipids, sphingolipids, glycolipids and terpenoid-lipids including:
✓ Q.233
A.
Which forms head in phospholipids?
✓
Q.230
Page 15
A.
glucose
B.
fructose
C.
maltose
D.
sucrose
Single DNA molecule could be _______ cm long in humans (on average)
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Q.245
Q.246
✓
Q.250
Q.251
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Q.254
Q.255
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10
D.
5
B.
reactant
C.
product
D.
substrate
The most abundant organic compounds to be found in cells are: A.
Proteins
C.
Carbohydrates
✓
B.
Lipids
D.
Nucleic acids
Which of these would act as inhibitor for succinic acid dehydrogenase A.
Fumaric acid
B.
Succinic acid
C.
Malonic acid
D.
Citric acid
B.
Birds
D.
None of these
Which kind of animals does not possess the waxes? Insects Sheep
✓
Enzymes which are designed to change shape are:
✓
A.
allosteric
B.
prosthe c
C.
eusteric
D.
both a and c
A chemical that blocks ac ve site of the enzyme is called
✓
A.
Inhibitor
B.
Compe tor
C.
Both of these
D.
None of these
Double stranded molecule of nucleic acid is A.
RNA
C.
mRNA
✓
B.
DNA
D.
cDNA
Amino acids which contain both an acid and a basic part are:
✓
A.
amphoteric
B.
zwi erions
C.
hydrophilic
D.
hydrophobic
B.
Chloroform
D.
All of these
B.
Agar
D.
Lactose
B.
Emil Fischer
D.
Watson
Lipids are soluble in A.
Alcohol
C.
Benzene
✓
Following are poly-saccharides except A.
Pec n
C.
Chi n
Lock and key model was proposed by: A.
Koshland
C.
Flemming
✓ ✓
The gene c informa on is passed on from one genera on to another by hereditary material which is:
✓
A.
DNA
B.
PNA
C.
NAD
D.
ATP
B.
Ribosomes
D.
All these
RNA is present in A.
Nucleolus
C.
Cytosol
✓
Globular proteins differ from fibrous proteins in:
✓ Q.258
B.
enzyme
C.
Q.249
6
✓
A.
A. Q.248
1
Reversible inhibitor form weak linkages with the:
✓ Q.247
Page 16
A.
Having amino acids
B.
Their repea ng units joined by pep de bond
C.
Being soluble in aqueous medium
D.
Being Non cristalline
The mel ng Point of butyric acid is:
✓
A.
63.1°C
B.
-20°C
C.
-8°C
D.
-15°C
Enzymes are highly ___________ in nature
✓
A.
Energe c
B.
Mo le
C.
Specific
D.
Effec ve
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Q.261
Of the RNA, rRNA may be up to: A.
80%
C.
60%
At 25°C the concentration of each of
✓ Q.262
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in pure water is about B.
10-5mole/litre
C.
10-7mole litre
D.
10-9mole/litre
B.
Fe2+
D.
all a, b, c
Mg2+ 2+
Cu
✓
A.
10oC
B.
20oC
C.
30oC
D.
Room temperature
B.
25
D.
Countless
Kind of amino acids,which cons tute proteins A.
170
C.
20
✓
Even for a minor change in pH, temperature and substrate concentra on, enzymes are: A.
aware
C.
suscep ble
Almost all the reac ons of a cell occur in the presence of: A.
Coenzymes
C.
Alcohol
✓ ✓
B.
sensi ve
D.
recep ve
B.
Water
D.
Proteins
Which chemical compound is more abundant in bacterial cell than mammalian cell A.
Salts
C.
Lipids
✓
B.
RNA
D.
Carbohydrates
Starches are of two types, amylose and: A.
amylodextrin
B.
amylochi n
C.
amyloagar
D.
amylopec n
It helps in recogni on of substrate
✓
A.
Binding site
B.
Ac vator
C.
Cataly c center
D.
Ac ve site
Amylopec n is soluble in A.
Hot water
C.
both
Penicillium fungus has one pair of chromosomes A.
In thallus
C.
In ascospores
B.
Cold water
✓
D.
None of these
✓
B.
In zygote
D.
In dikaryo c stage
What percent of total dry weight of living organisms comprise of proteins A.
20
C.
40
✓
B.
30
D.
50
Reversible inhibitors usually form which kind of linkage with substrate? A.
No linkages
C.
Strong linkages
✓
B.
Weak linkages
D.
None of these
The op mum pH of Pepsin is:
✓
A.
2.00
B.
4.00
C.
6.00
D.
8.00
Heamophilus influenzae is the first microbe whose
✓ Q.276
50%
Animal fats are solid at:
✓ Q.269
D.
Some enzymes use metal-ions as co-factors like:
✓
Q.265
OH-ions
70%
10-2mole/litre
C.
Q.264
✓ H+and
B.
A.
A. Q.263
Page 17
A.
Chromosomes were discovered
B.
Nucleo de was discovered
C.
Gene order was discovered
D.
None
The par cles of nucleic acid o en with a protein coat are termed A.
Viroids
✓
B.
Viruses
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✓
Q.283
They contain even number carbon atoms
B.
May contain double bonds
C.
May be straight chains, branched or ringed
D.
Form protec ve covering on leaves and fruits
A.
51
C.
144
Q.285
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Q.291
✓
Q.293
146
All are present equally tRNA
✓
B.
mRNA
D.
rRNA
A.
Sex limited
B.
Sex influenced
C.
Sex linked
D.
Non-sense trait
A.
ionic
B.
covalent
C.
bivalent
D.
tetravalent
The nitrogenous bases of the usual complementary pairing in RNA viz. cytosine with guanine and.
✓
A.
thymine with adenine
B.
uracil adenine
C.
ural with adenine
D.
uracine with adenine
The break down of macromolecules by addi on water is called A.
Hydra on
B.
Dehydra on
C.
Hydrolysis
D.
Rehydra on
B.
Glycogen
D.
Chi n
B.
Solu on of acids or bases
D.
All a, b, c
Which of the followings gives red colour with iodine? A.
Starch
C.
Cellulose
Globular proteins are soluble in aqueous media such as: A.
Salt solu on
C.
Aqueous alcohol
✓ ✓
Which of the molecule contains amino acids ? A.
cellulose
B.
collagen
C.
glycogen
D.
citric acid
B.
Methionine
D.
Termina ng code
B.
Sickle cell anemia
D.
All of these
Mitochondrial gene c code AUA is for A.
Isoleueine
C.
Inita ng code
✓
Which is due to point muta on? A.
Cys c fibrosis
C.
Tay Sach's disease
✓
Triglycerids are A.
Acidic lipids
B.
Basic lipids
C.
Neutral lipids
D.
A and B
The organic acid which is mostly confined to the nucleus of cell is
✓
A.
Deoxyribonucleic acid
B.
Oxalic acid
C.
Ace c acid
D.
Ribonucleic acid
Which the following is not a nucelo de:
✓ Q.292
141
When two or more atoms complete their electrons shells by sharing electrons, the bond is called:
✓ Q.290
B. D.
A trait determined by a gene on the X-chromosomes is said to be
✓ Q.287
✓
The major por on of RNA in the cell is
✓ Q.284
Capsomeres
β - chain of hemoglobin contains ________ amino acids
✓
Q.282
D.
A.
C.
Q.281
Prions
Which is not true for fa y acids?
A. Q.280
Page 18
A.
ATP
B.
GTP
C.
NADH
D.
DNA
B.
nitrogen
D.
oxygen
The basic element of organic compounds is: A.
hydrogen
C.
carbon
✓
On this basis of new evidences induce fit model proposed by:
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Emil Fischer
C.
Robert Koch
D.
Louis Pasteur
A.
Electrical point
C.
Neutral point
A.
Glycogen
C.
Chi n
A.
tRNA
C.
mRNA
All living organisms have ______ to _____% of water A.
20 to 85
C.
15 to 16
✓ ✓ ✓ ✓
B.
Isoelectric point
D.
Neutral pH
B.
Amylose
D.
Amylopec n
B.
rRNA
D.
All
B.
65 to 89
D.
None
An average enzyme undergoes about 1000 reac on per: A.
hour
B.
minute
C.
second
D.
week
In one of the following condi ons the haemoglobin fails to carry any or sufficient oxygenm hence leading to death of the pa ent. A.
Anaemia
B.
Aids
C.
Sickle cell anaemia
D.
Fibrosis
One of the op ons is not an organic compound
✓
A.
Carbohydrate
B.
ATP
C.
NAD
D.
H3PO4
Who is credited with proposing "Lock and Key" theory? A.
Koshland
B.
Buchner
C.
Emil Fischer
D.
Summer
B.
9.70
D.
4.25
The op mum pH of Arginase is: A.
7.70
C.
5.60
✓
If the non-protein part is covalently bonded to enzyme, it is known as a: A.
Coenzyme
C.
Holoenzyme
✓
B.
Co-factor
D.
Prosthe c group
The main source of energy in cells are simple carbohydrates e.g:
✓ Q.305
B.
Major part of RNA is:
✓ Q.302
Koshland
It gives blue color with iodine
✓ Q.300
A.
The pH at which a par cular molecule or surface carries no net electrical charge:
✓ Q.299
Page 19
A.
sucrose
B.
galactose
C.
fructose
D.
glucose
B.
Virion
D.
Capsid
The complete, mature and infec ous par cle is called A.
Virus
C.
Prion
✓
The mixtures of long chain alkanes and alcohols, ketones and esters, of long chain fa y acids are:
✓
A.
Acylglycerols
B.
Waxes
C.
Sphingolipids
D.
Phospholipids
Inhibitors that occupy the ac ve sites by forming covalent bonds may be A.
Reversible inhibitors
C.
Compe
ve inhibitor
✓
B.
Irreversible inhibitors
D.
All of these
Macromolecules have:
✓
A.
Low molecular weight
B.
Higher molecular weight
C.
Low solubility and complex
D.
High solubility and simple
B.
Different from substances in structure
Compe
✓
A.
ve inhibitors are Similar to substrate in structure
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Leeuwenhoek
B.
Robert Koch
D.
Robert Brown
A.
0.6%
C.
0.06
A.
It's an arbitrary abbrevia on
C.
It has aminoacyl tRNA
B.
0.8%
✓
D.
0.08%
✓
B.
It has pep dyl tRNA
D.
It is site of imita on
A.
Occupying the ac ve site
B.
Destorying hte substrate
C.
Changing the structure a aching
D.
Destroy globular structure of portrin
✓
The first scien st who determined the sequence of amino acids in a protein molecules was:
✓
A.
Nicholson
B.
F.Sanger
C.
James Watson
D.
Franklins
How many fa y acid molecules are normally present in a fat or oil molecule? A.
1
B.
2
C.
3
D.
4
The isoprenoid unit by condensa on gives rise to: A.
Rubber
B.
Carotenoids
C.
Steroids
D.
All a, b, c
---------------- are the main source of energy in the living organisms A.
Lipids
B.
Protein
C.
Carbohydrates
D.
Water They have prophage and are resistant to infec on by the same virus Cannot be a acked by related virus
The statement not true about Jysogenic bacteria A.
They can be a ached by any virus
B.
C.
Virus not related to infec ons virus can a ack
D.
The branch of biology, which deals with the study of chemical components and the chemical process in living organisms is
✓
Q.320
C.
✓
All are possible
An irreversible inhibitor inhibit the ac ve of enzyme by:
✓ Q.319
Louis Pasteur
Why the P site is named so
✓ Q.318
A.
D.
Our blood normally contains glucose;
✓ Q.317
Poisons
One of these postulated germ theory of disease
✓ Q.316
Page 20
A.
Biochemistry
B.
Biotechnology
C.
Biometry
D.
Molecular Biology
B.
Transla on
D.
Both a & b
B.
Polysaccharides, proteins, nucleic acids etc.
D.
Water, Gases, amino acid, Glucose
Gene expression involes A.
Transcrip on
C.
Replica on
✓
Micromolecules are: A.
Sugars, lipids, amino acid, nucleo des etc.
C.
Both (a) and (b)
✓
Enzymes are the most important group of proteins are biologically:
✓
A.
Ac ve
B.
Inac ve
C.
Dynamic
D.
Energe c
B.
Covalent bonds
D.
Hydrophobic interac ons
The two chains of insulin are held together by: A.
Ionic bonds
C.
Disulphide bridges
✓
non-ionic substances having charged groups in their molecules ______ in water A.
Dissolve
C.
Ionize
✓
B.
Disperse
D.
Evaporate
B.
Number of amino acids
Primary structure of protein is determined due to A.
Sequence of amino acids
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C.
✓
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Q.340
Monosacchrides
B.
Polysaccrides
C.
Disaccharides
D.
All
A.
Ernst Hackle
C.
Erwin chargaff
Q.342
✓
B.
Watson & Crick
D.
Wilkins and franklin
B.
0.10
D.
0.16
Fats and oils have a specific gravity of about: 0.8 0.12
✓
Bonds formed during condensa on of monosaccharides to form polysaccharides are: A.
Covalent bonds
C.
Pep de bonds
✓
B.
H-bonds
D.
Glycoside bonds
The ter ary polypep de chains aggregate and are held together by which one of the followings A.
Hydrophobic interac ons
C.
Ionic bonds
✓
B.
Hydrogen bonds
D.
All these
A molecule composed of glycerol, two fa y acids and a phosphoric acid a ached to C atoms in glycerol A.
Acylglycerol
C.
Carotenoid
✓
B.
Phopha dic acid
D.
Terpenoid
The compounds formed by simple repea ng isoprenoid units are A.
Carotenoids
C.
Rubber
✓
B.
Terpenoids
D.
All
Basic R groups have charge:
✓
A.
posi ve
B.
nega ve
C.
neutral
D.
both a & b
Which factor can increase the number of ac ve series sites to increase the rate of reac on?
✓
A.
Enzyme concentra on
B.
Substrate concentra on
C.
Temperature
D.
pH value
The amount of DNA is one half in A.
Red blood cells
C.
Liver cells
✓
B.
Sperm cells
D.
Kidney cells
Vernon Ingram (1956) discovered the molecular basis of
✓
A.
Sickle cell anemia
B.
Phenylketonuria
C.
Alkaptonuria
D.
Schizophernia
Fa y, acids which contain up to 6 double bonds are called: A.
Straight fa y acids
B.
Ringed fa y acids
C.
Saturated fa y acids
D.
Unsaturated fa y acids
Iden fy the bond which joins two compounds of the following structure of carbohydrate A.
hydrogen bond
C.
oxygen bond
✓
B.
glycosidic bond
D.
pep de bond
B.
L
D.
I
The shape of submetacentric chromosomes during anaphase is A.
V
C.
J
✓
The pure form of cellulose is
✓ Q.341
Size of amino acids
In 1951 data about the ra os of different bases present in DNA molecule was provided by:
✓ Q.338
D.
A.
C.
Q.330
Both a & b
Simple sugars
A. Q.329
Page 21
A.
Cell wall
B.
Paper
C.
Co on
D.
Plant ssues
B.
Killed
D.
Denatured
At boiling temperature an enzyme is: A.
Unaffected
C.
Inac vated
✓
The first virus to be isolated in crystal form by Stanley
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✓
Q.356
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B.
Cowpox virus
C.
Tobacco mosaic
D.
Polio virus
A.
Alpha carbon
B.
Beta carbon
C.
Hydroxyl group
D.
Carboxylic group
B.
3 to 7
D.
9 to 13
A.
1 to 3
C.
7 to 9
✓
Fats & oils have specific gravity of about
✓
A.
.8
B.
8
C.
.08
D.
.008
Which of the following is not a part of RNA molecule? A.
Phosphate
B.
Adenine
C.
Thymine
D.
Pentose sugar
Enzymes,an bodies,hormones and hemoglobin are example of A.
ovular proteins
C.
Fibrous proteins
✓
B.
Globular proteins
D.
Tough proteins
Nucleohistone is a
✓
A.
Nucleoprotein
B.
Nucleolipid
C.
Nucleo de
D.
All of these
B.
0.08%
D.
6%
Blood contains __________ percent glucose A.
0.8%
C.
0.06%
✓
The par cular array of chromosomes that an individual possesses is called its
✓
A.
Karyotype
B.
Primary constric on
C.
Kinetochore
D.
Secondary constric on
B.
Glycoproteins
D.
Conjugated proteins
Nucleohistones are A.
Lipoproteins
C.
Glycolipids
✓
The op mum temperature of most of the enzymes of our body is
✓
A.
37°C
B.
28°C
C.
25°C
D.
40°C
Fork kreb cycle enzyme are located in: A.
Lysosome
C.
Chloroplast
✓
B.
Mitochondria
D.
Cytosol
Which statement is not true for DNA? A.
It is the hereditary material
B.
It is made up of A-,G-,C-& T-
C.
It is made of single polynucleo de chain
D.
X-ray diffrac on technique helped to
Pep de bond is a _______ kind of bond
✓
A.
C-N
B.
C-H
C.
C-C
D.
C-O
Cellulose gives which colour with iodine:
✓
A.
Red
B.
No
C.
Blue
D.
Violet
Double helical structure of DNA was proposed by
✓ Q.358
Bacteriophage
Number of carbon atoms in monosaccharides are
✓ Q.355
A.
Amino acid is composed of different molecules a ached with
✓ Q.347
Page 22
A.
F. Sanger
B.
F. Miescher
C.
Watson and Crick
D.
Erwin Chargaff
B.
Glycogen
D.
All of these
Which of the following is not plants product A.
Cellulose
C.
Glycine
✓
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Q.360
How many possible double bonds may be present in fa y acids
Q.363
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Q.366
C.
Four
✓
Q.370
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Q.375
Six
B.
C______O
C.
C______H
D.
H______H
A.
Glycogen
B.
Starch
C.
Cellulose
D.
All
A.
small amounts
B.
moderate amounts
C.
large amounts
D.
all a, b, c
B.
Ribose
D.
Ribulose
Which is an aldo sugar A.
Dihydroxyacetone
C.
Fructose
✓
Which of these is a germ cell? A.
Egg
B.
Sperm
C.
Both
D.
Embryo
The proteins consis ng of molecules having one or more polypep de chains in the form of fibrils are: A.
Fibrous
C.
Ovular
✓
B.
Globular
D.
Tough
The sequence of nucleo des on DNA that determines amino acid sequence in a single polypep de will form a/an Code An codon
✓
B.
Condon
D.
Gene
Due to its unique proper es, the central posi on in the skeleton of life is occupied:
✓
Q.369
D.
C______C
C.
Q.368
Three
A.
A. Q.367
✓
B.
The chemical reac on can be accelerated by an enzyme even in:
✓ Q.365
Two
The most abundant carbohydrate in nature is
✓ Q.362
A.
For cellular ac vi es _____ Bond is a poten al source of energy
✓ Q.361
Page 23
A.
Hydrogen
B.
Nitrogen
C.
Oxygen
D.
Carbon
B.
5.50
D.
7.00 - 8.00
Chymomtrypsin has op mum PH A.
4.50
C.
6.80
Maltose is a A.
Monosaccharide
C.
Aligosaccharide
The energy is released during A.
Anabolic reac on
C.
Metabolic reac on
✓ ✓ ✓
B.
Disaccharide
D.
Polysaccharide
B.
Catabolic reac on
D.
All
B.
four
D.
two
Hydrogen bonds between A and T are: A.
five
C.
three
✓
Which of the following bonds maintains the ter ary conforma on of a protein? A.
Ionic
C.
Disulphide
The process by which DNA synthesize RNA is called A.
Transla on
C.
Transduc on
✓ ✓
B.
Hydrogen
D.
All these
B.
Transcrip on
D.
None of these
B.
Tap water
D.
All of these
B.
4200
fats and oils and lighter than A.
Pure water
C.
Dis lled water
✓
E.coil genome codes for how many proteins?
✓
A.
4288
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Q.377
Q.378
A.
General
C.
Precise
Q.381
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Q.387
Q.388
Q.389
✓
Q.391
Specific
D.
Exact
A.
Primary structure O protein
C.
Ter ary structure of protein
✓
B.
Secondary structure of protein
D.
Beta pleated sheet
3% 1%
✓
B.
2%
D.
0.25%
A.
primary structure
B.
secondary structure
C.
ter ary structure
D.
quaternary structure
One gram of glucose when burnt will release
✓
A.
717.6 Kcal
B.
71.76 Kcal
C.
7176 Kcal
D.
7176 Kcal
B.
reverse transcrip on
D.
transforma on
RNA is synthesized by DNA is a process known as: A.
transla on
C.
transcrip on
✓
The proteins which are spherical or ellipsoidal due to mul ple folding of polypep de chains are: A.
Fibrous
B.
Globular
C.
Ovular
D.
Tough
B.
150
D.
170
Amino acids found in cells A.
160
C.
175
✓
The specific heat of vaporiza on of water is
✓
A.
574 K Cal / Kg
B.
574 K Cal / gm
C.
574 K Cal / litre
D.
574 K Cal / ml
The word as saccharides is used of: A.
carbohydrates
B.
lipids
C.
proteins
D.
nucleic acids
The chemical structure of carbohydrates is mainly defined as
✓
A.
Polyhydroxy aldehyde
B.
Polyhydroxy keton
C.
Aldehyde ketone
D.
None of these
Why lipids form layers in membrane
✓
A.
They are insoluble in water
B.
They are polar
C.
They are covalent
D.
They are organic
Chemically poly-hydroxyl aldehydes or or polyhydroxy ketones are called A.
Proteins
C.
Fats
✓
B.
Lipids
D.
Carbohydrates
The most important polysaccharides which are stored in plant and animal cells. respec vely, as reserve food material are:
✓ Q.390
B.
The sequence of amino acids in polypep de chain is:
✓ Q.386
It does not code
The amount DNA in mammalian cell is ______% of total cell weight
✓ Q.383
✓
D.
Many enzymes contain areas where amino acid chain is twisted in to alpha helix is a
C.
Q.380
4000
Enzymes are very -------in their ac on.
A. Q.379
Page 24
A.
Starch & cellulose
B.
Cellulose & glycogen
C.
Starch & glycogen
D.
Dextrins & lignin
Every enzyme func ons most effec vely over a narrow range of pH known as the: A.
Best pH
C.
Maximum pH
✓
B.
Minimum pH
D.
Op mum pH
The protein structure composed of the number and sequence of amino acids in a protein molecule is: A.
Primary
C.
Ter ary
✓
B.
Secondary
D.
Quaternary
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Q.393
Commercial or cane sugar is:
Q.395
Q.396
✓
Q.399
✓
Q.401
Q.402
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Q.404
Glucose
B.
lipoprotein
C.
nucleoprotein
D.
glycoprotein
A.
Sugar tri phosphate
B.
Nucleo de phosphate
C.
Nitrogen base phosphate
D.
Nucleoside phosphate
A.
Bacillus
B.
Cocobacillus
C.
Coccobacillus
D.
Steptobacillus
A.
H atoms
B.
O2atoms
C.
Carbon atoms
D.
B and C
In plants aenxymes are present in: A.
Only in leaves
B.
In flowers
C.
All the cells of plant body
D.
In storage organs
B. D.
a part of the transfer RNA molecule to which a specific amino acid is a ached a part of the messenger RNA molecule that has a sequence of bases coding for an amino acid
What is a condon? A. a length of DNA which codes for a par cular protein ✓ C. a part of the transfer RNA molecule which recognizes the triplet code on the messenger RNA The inhibitor which has similarity with the substrate A.
Irreversible inhibitor
B.
Compe
C.
Non-compe
D.
All of these
Q.408
ve inhibitor
ve inhibitor
What is the base of steroid?
✓
A.
Chloeserol
B.
Protein
C.
Lipids
D.
Carbohydrate
Glycosidic bond is a
✓
A.
Covalent
B.
Covalent coordinate
C.
Ionic
D.
Metalic Covalent
B.
Secondary structure
D.
Quaternary structure
Haemoglobin has: A.
Primary structure
C.
Ter ary structure
The second major form of hepa A.
Hepa
sA
C.
Hepa
sC
✓ s
✓
B.
Hepa
sB
D.
Hepa
sD
At temperature below the freezing pint, an enzyme is: Unaffected Slightly ac vated
Proteins in human body A.
1000
C.
100
B.
Killed
✓
D.
Inac vated
✓
B.
10000
D.
100000
Enzymes form ______ in cell's cytoplasm
✓ Q.407
Sucrose
glycolipid
C.
Q.406
D.
A.
A. Q.405
✓
Lactose
The mel ng point increases with increase of ______ in lipids
✓ Q.400
C.
B.
Division in one plane, rods completely separate a er division
✓ Q.398
Maltose
Nucleo des are named in a pa ern
✓ Q.397
A.
In nature, most of the cellular secre ons are:
✓ Q.394
Page 25
A.
Suspension
B.
Solu on
C.
Ter ary
D.
Quaternary
Which is not coenzyme:
✓
A.
FAD
B.
NAD
C.
ATP
D.
NADP
The enzymes catalyze ___________ biochemical reac ons
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A.
All
B.
Some
C.
Most
D.
No one
B.
Insects
D.
All of these
B.
Heterogenous
D.
None
Chi n is found in exoskeleton of A.
Crabs
C.
Crustaceans
✓
Lipids are ______ group of compounds related to fa y acids A.
Homogeneous
C.
Both A & B
✓
Usually a polypep de chain of protein bends and folds upon itself, forming a globular shape called: A.
Primary structure
C.
Ter ary structure
Lactose is formed by: A.
Glucose+glucose
C.
Glucose+fructose
Abrasive damage is caused by A.
Gain of water
C.
Loss of ions
✓ ✓ ✓
B.
Secondary structure
D.
Quaternary structure
B.
Glucose+galactose
D.
Glucose+ribulose
B.
Loss of water
D.
Gains of ions
Gene c informa on of DNA is coded in the
✓
A.
Sequences of nucleo des
B.
Base pairing
C.
Propor on of each base
D.
None coding sequence
All enzymes are
✓
A.
Proteins
B.
Lipids
C.
Sugars
D.
Hormones
B.
isoprenoid unit
D.
steroid unit
B.
RNA only
D.
DNA, RNA & protein
B.
Fibrous protein
D.
Lipid
Terpenoids are made up of a simple repea ng unit: A.
prenoid unit
C.
terpene unit
Viral genome is composed of A.
DNA only
C.
DNA or RNA
✓ ✓
Spider exoskeleton is? A.
Polysaccharide
C.
Globular protein
✓
DNA is generally located inside the nucleus, while RNA is concentrated in: A.
Mitochondria
C.
Peroxisomes
✓
B.
Chloroplasts
D.
Cytoplasm
One of the following forms the skeleton of organic molecules
✓ Q.421
Page 26
A.
C-O
B.
C-N
C.
C-C
D.
All of above
B.
Aminoacyl tRNA
D.
Pep dyl transferase
Which is not the part of ini a on complex A.
N-formyl methionine
C.
Small ribosomal subunit
✓
Most part the body of the animal is composed of:
✓
A.
Protein
B.
Lipids
C.
Carbohydrates
D.
Nucleic acid
Triglyceride is also known as
✓
A.
Neutral Lipid
B.
Phospholipid
C.
Waxes
D.
Natural Lipid
B.
9.00
D.
3.00
The op mum pH of Pancrea c lipase is: A.
7.00
C.
5.00
✓
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Q.426
Q.427
The amount of DNA/ nucleus in sperm cell of chicken in picogram is A.
2.3
C.
3.3
Metabolically ac ve proteins are called A.
Fibrous proteins
C.
Conjugated proteins
Q.431
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Q.433
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Q.440
1.3
✓
B.
Globular proteins
D.
Non-conjugated proteins
need energy
B.
release energy
both a & b
D.
none
B.
Basic proteins
D.
Acids
Acidic proteins Salts
✓
Solubility of fa y acids to organic solvents and their mel ng points increase with increasing number of: A.
Carbon atoms
C.
Oxygen atoms
The structure and func on of chi n is closely related to: A.
strach
C.
murein
B.
Hydrogen atoms
✓
D.
Nitrogen atoms
✓
B.
cellulose
D.
glycogen
Water and essen al part of protoplasm m may cons tute: A.
Upto 25% of it
C.
Up to 75% of it
The simplest amino acid is: A.
alanine
C.
tryptophan
B.
Upto to 650% of it
✓
D.
More than 75%
✓
B.
glycine
D.
serine
B.
1950
D.
1995
Haemophilus ainfluenczae was published in: A.
1960
C.
1895
✓
Who coined the term gene? A.
Mc Clintock
B.
Waldeyer
C.
Wilhelm Johannsen
D.
Mendel
Two nucleo des join together to form:
✓
A.
Trinucleo de
B.
Dinucleo de
C.
Dinucleoside
D.
Dinucleoid
Nitrogenous bases such as choline, ethanolamine and serine are important components of: A.
Acylglycerols
C.
Phospholipids
Highly condensed por ons of chroma n are called A.
Euchroma n
C.
Chroma n
✓ ✓
B.
Waxes
D.
Sphingolipids
B.
Heterochroma n
D.
Chroma ds
All of the followings acts as a bridge between the enzyme and its substrate. It o en contributes directly to the chemical reac on which brings about catalysis A.
Enzyme
C.
Co-factor
✓
B.
Substrate
D.
Co-Enzyme
An ac vated enzyme consis ng of polypep de chain and a cofactor is known as:
✓
A.
Holoenzyme
B.
Apoenzyme
C.
Coenzyme
D.
Zymogen
Which is animal starch?
✓ Q.441
D.
Nuclei acids have a special afffinity for
✓ Q.435
✓
C.
C.
Q.430
2.4
A.
A. Q.429
B.
Anabolic reac ons:
✓ Q.428
Page 27
A.
Starch
B.
Amylose
C.
Glycogen
D.
Cellulose
Which is a phosphodiester bond
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Q.443
Q.444
Q.445
A.
C-O-C
C.
P-O-P
A.
4
C.
2
The op mum pH value of pepsin in man is A.
2.5
C.
3.5
Q.448
Q.450
Q.451
Q.454
Q.455
Q.456
A.
Bone cells
C.
Biadder cells
✓ ✓
✓
Silk fiber Myosin
A.
Decrease in reac on me
C.
Increasing in ac va on
A.
4
C.
2
B.
3
D.
5
B.
2.0
D.
4.5
B.
Blood cells
D.
Brain cells
✓
B.
Kera n
D.
Fibrin
B.
Increase in reac on me
✓
D.
Decreasing ac va on energy
B.
3
✓
D.
1
In animal the fa y acids are straight chains, while in plants these may be: A.
branched
B.
ringed
C.
both a & b
D.
all a, b, c
B.
Amino acids
D.
Nucleoside and phosphate group
The nucleo de unit is composed of A.
Fa y acids and glycerol
C.
Pentose sugar and a nitrogenous base
✓
Fats containing -------------------- are usually liquids at room temperature A.
Saturated fa y acids
C.
Unsaturated lipids
✓
B.
Unsaturated fa y acids
D.
None of these
Hemoglobin is a protein composed of A.
Three alpha and one beta chains
B.
Three beta and one alpha chains
C.
Two alpha and two beta chains
D.
Three alpha and two beta chains
Glucose and fructose are: A.
non-reducing sugars
B.
reducing sugars
C.
both a & b
D.
none
B.
Nucleoprotein
D.
Strach
Which one is not a conjugated compound: A.
Glycoprotein
C.
Glycolipids
✓
The number of calories required to raise the temperature of 1g of water by 1°C from 15 to 16°C is called: A.
specific heat capacity
C.
specific gravity
✓
B.
specific heat absorp on
D.
specific aqueous capacity
One of the following is an example of fibrous protein
✓
A.
Nail and hair
B.
Hemoglobin
C.
Skeletal muscles
D.
An bodies
B.
Starch
D.
Glycogen
B.
Mitochondria
D.
Chloroplast
Reserve food in case of animal is the form of: A. C.
Q.457
P-C-O
How many kinds of rRNA are found in eukaryo c ribosomes?
✓ Q.453
D.
An enzyme bring about
✓ Q.452
P-O-C
Which proteins is involved in blood clo ng?
✓ Q.449
B.
Human ssues have 85 per cent water in:
C.
Q.447
✓
Ribosome moves by _________ nucleo des during transla on
A. Q.446
Page 28
Glucose Cellulose
✓
Enzymes important for photosynthesis are found in A.
Ribosomes
C.
Golgi complex
✓
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Q.459
Q.460
Types of RNA A.
1
C.
4
A.
Tendons
C.
Connec ve ssue
Q.463
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Q.467
Q.468
Q.469
Q.470
Q.471
Q.472
Q.473
Q.474
✓
Mitochondria Nucleus
Ac ve site is rigid structure
3
D.
2
B.
Bone
D.
All a, b, c
A.
Induced in model
C.
Both of these
B.
Cell membrane
✓
D.
Ribosomes
✓
B.
Lock & key model
D.
None of these
Haemo-globin contains 4 chains 2 alpha & 2 beta chains. Beta chin contains A.
141 amino acid
C.
574 amino acids
✓
B.
146 amino acids
D.
None
Which bond is poten al source of chemical energy for cellular ac vi es A.
C-C
C.
C-N
✓
B.
C-O
D.
C-H
One of the followings acts as water barrier for insects, birds and animals
✓ Q.465
B.
The mRNA and tRNA molecules interact to translate the informa on from genes into a specific protein on the surface of C.
Q.462
✓
Collagen is found in:
A. Q.461
Page 29
A.
Phospholipids
B.
Terpenoids
C.
Waxes
D.
Acylglycerols
Which has ability to form ester linkage with OH group of pentose sugar? A.
Nucleoside
C.
Nitrogenous bases
Polysaccharides are A.
Insoluble in hot water
C.
Sparingly soluble in cold water
✓ ✓
B.
Phosphoric acid
D.
Adenine
B.
Sparingly soluble in hot water
D.
Insoluble in hot water
Cellulose is digested by which of these? A.
Plants
C.
Bacteria
✓
B.
Humans
D.
Herbivores
The specific heat capacity of water is:
✓
A.
2
B.
1
C.
4
D.
3
B.
(C2HO)n
D.
(CH2O)n
B.
Seeds
D.
All
General formula of monosaccharides is A.
(CHO)n
C.
(CHO2)n
✓
Cu cle is protec ve layer of some plant organs like A.
Fruits
C.
Epidermis
The two sister chroma ds are a ached at their A.
Karyotype
C.
Kinetochore
The most abundant compound in all organisms: A.
proteins
C.
water
✓ ✓ ✓
B.
Primary constric on
D.
Secondary construc on
B.
lipids
D.
nucleic acids
In nature monosaccharides found are with carbon atoms:
✓
A.
2 to 6
B.
3 to 7
C.
5 to 9
D.
6 to 8
The cataly c ac vity of enzymes is restricted to a small por on of the enzyme known as:
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Q.484
Q.485
✓
Q.488
Q.490
B.
Ac ve site
D.
Non-binding site
A.
Robert Hooke
B.
Leeuwenhoek
C.
Louis Pasteur
D.
Robert Koch
A.
Primary structure of DNA is conserved
B.
Each daughter DNA has 1 parental strand
C.
Secondary structure is conserved
D.
Proposed by Watson and crick
B.
65 to 89%
D.
56 to 66%
A.
55 to 79%
C.
40 to 80%
✓
Interphase nucleus contains
✓
A.
chroma n
B.
chromosomes
C.
microtubules
D.
spindles
B.
3
D.
5
Gene c code is a combina on of _________ nucleo des A.
2
C.
4
✓
The number of hydrogen bonds between G and C pair
✓
A.
2
B.
3
C.
1
D.
Many
If number of amino acids in a polypep de chain is 150. The number of mRNA bases required is A.
150
C.
100
Which one of the followings is not a macromolecule A.
Cellulose
C.
Starch
Common fruits sugar is: A.
Glucose
C.
Lactose
✓ ✓ ✓
B.
450
D.
50
B.
Glucose
D.
Proteins
B.
Fructose
D.
Sucrose
Heat of vaporiza on is expressed as
✓
A.
Calories absorbed per gram vaporized
B.
Calories absorbed per kilogram vaporized
C.
Calories absorbed per litre vaporized
D.
Both B and C
Fats containing unsaturated fa y acids are usually liquid at room temperature and are said to be: A.
Waxes
B.
Terpenes
C.
Oils
D.
Carotenes
One gene, one enzyme hypothesis was proposed by A.
Beadle and Tatum
B.
Jacob and Monod
C.
Watson and Crick
D.
Jersey and Luria
Enveloped RNA virus that causes one of the following diseases is A.
Herpes simplex
C.
Polio
✓
B.
Influenza
D.
Small pox
Pepsin is a powerful protein diges ng enzyme that is produced in an inac ve form, the
✓ Q.489
Cataly c site
In different organisms, water varies from:
✓ Q.487
C.
✓
Which one is not correct for semi-conserva ve model
✓ Q.486
Binding site
One of the followings proved that microorganisms could cause disease and also made significant contribu on in the development of fermenta on industry
✓ Q.476
A.
Page 30
A.
Malonic Acid
B.
Trypsinogen
C.
Pepsinogen
D.
Renin
The first microbe to have the genome completely sequenced is:
✓
A.
Haemophilus is influenzae
B.
Pneumococcus
C.
Salmonella typhi
D.
E.coli
B.
15%
Bone cell contains following percentage of water
✓
A.
20%
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Q.493
Q.495
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Q.502
Watson and Crick
B.
F. Sanger
C.
Erwin Chargaff
D.
Rosalind Franklin
A.
Ovular proteins
C.
Fibrous proteins
Q.505
Tough proteins
B.
Protein
C.
Terpenoid
D.
Acylglycerol
A.
Sucrose
C.
Fructose
✓
B.
Galactose
D.
Glucose
A.
Synthe c reac on
B.
Breakdown reac ons
C.
Botha A and B
D.
Coordina on
B.
fibrinogen
D.
Haemoglobin
Iden fy the globular protein with non proteinaceous material A.
kera n
C.
chlorophyll
✓
Some molecules are so unstable that, they are immediately broken down to release energy A.
AMP
B.
NADP
C.
ATP
D.
All
B.
Mitochondria
D.
Ribosomes
B.
Cellulose
D.
Cu n
The enzymes involved in cellular respira on are found in A.
Cell membrane
C.
Chloroplast
Polysaccharide present in cell eal of plants is: A.
Strach
C.
Glycogen
✓ ✓
The effect of temperature, which denatures enzyme A.
Provision of ac va on energy
B.
C.
Increase the vibra on of enzyme atoms
D.
Provision of kine c energy of the reac ng molecules None of these
Pepsinogen is a
✓
A.
Proenzyme
B.
Apoenzyme
C.
enzyme
D.
Co enzyme
B.
Proteins
D.
Glucose
Cellulose is made up to chains of molecules of: Aminoacids
✓
Fats
One of the following is transmi ed through blood from mother to child during pregnancy and a erwards by sexual contact A.
Hepa
sA
C.
Hepa
sC
✓
B.
Hepa
sB
D.
Hepa
sD
Photosynthesis, respira on, diges on and muscle contrac on can all be described in: A.
Technical Terms
C.
Psychological terms
✓
B.
Mechanical Terms
D.
Biochemical terms
When a bond is formed between two atoms by sharing of electrons, the bond is called
✓ Q.506
Globular proteins
Carbohydrate
C.
Q.504
B. D.
A.
A. Q.503
✓
Metabolism refers to:
✓ Q.501
A.
Polysaccharides act as storage molecules for the small carbohydrate units, like:
✓ Q.498
85%
Rubber is a
✓ Q.496
D.
Ter ary structure is most important in:
✓ Q.494
16%
He provided data about the ra os of different bases present in DNA
✓ Q.492
Page 31
A.
Ionic bond
B.
Hydrogen bond
C.
Covalent bond
D.
Coordinate bond
To determine whether a given irradiated spore had a deficiency or not Beadle and Tatum cultured them on a medium
✓
A.
Minimal medium
B.
Containing sugars
C.
Minimal medium + vitamins
D.
Containing supplements
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Q.508
Pentose sugar in ribonucleo de is: A.
Ribulose
C.
Ribose
C.
Q.510
Q.514
Q.515
Q.516
Q.518
Q.520
Q.521
Q.522
Q.523
✓
Fats
A.
Compe
ve inhibi on
C.
A rise in temperatuer
B.
Glycogen
D.
Lactose
B.
Lack of substrate
✓
D.
Accumula on of end product of a reac on
A.
Ernst Hackle
B.
Watson & Crick
C.
Erwin Chargaff
D.
Wilkins and Franklin
A.
Fibrous
B.
Straight
C.
Globular
D.
Branched
A.
Maximum
B.
Minimum
C.
Op mum
D.
Both a and b
B.
oxyribonucleo des
D.
nucleo des
RNA is composed of: A.
Deoxyribonucleo des
C.
ribonucleo des
✓
Which of the followings are esters of fa y acids and alcohol?
✓
A.
Acylglycerols
B.
Phosopholipids
C.
Sphingilipids
D.
Carotenoids
The copy of gene c code in the molecule of mRNA is called
✓
A.
Condon
B.
An Codon
C.
Triad
D.
Code
Which one of the following types of bond is principally concerned in maintaining the alpha-helix shape of secondary protein structure? A.
disulphide bonds
B.
ester bonds
C.
hydrogen bonds
D.
pep de bonds
B.
An bodies
D.
Kera n
Fibrous protein is: A.
Enzymes
C.
Sera
✓
______ is called animal starch
✓ Q.519
Fructose
Every enzyme func ons most effec vely over a narrow range of pH known as
✓ Q.517
Oxyribose
An enzyme is a three dimensional -------protein.
✓ Q.513
Deoxyribose
The technique of X-ray diffrac on to determine the structure of DNA was used by:
✓ Q.512
B. D.
In feed back inhibi on, metabolic pathway gets switch off by:
✓ Q.511
✓
Which of the following is polysaccharide? A.
Q.509
Page 32
A.
Pec n
B.
Chi n
C.
Glycogen
D.
All
Some R groups are non-polar and therefor:
✓
A.
hydrophobic
B.
hydrophilic
C.
hydrometric
D.
hydroscopic
Hershey and Chase labeled the DNA with radio isotope
✓
A.
P12
B.
S15
C.
S32
D.
P35
Which of the following lacks enzymes?
✓
A.
Viruses
B.
Prokaryotes
C.
Algae
D.
Fungi
True lipids are formed by a reac on between fa y acids and an alcohol: A.
synthesis
C.
combus on
✓
B.
displacement
D.
condensa on
water is an excellent solvent for polar substances due to its:
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B.
normality
C.
solidarity
D.
polarity
A.
Pus Cells
C.
Liver cells
✓
B.
Blood cells
D.
Kidney cells
A.
soluble
B.
insoluble
C.
suspended
D.
none
Micromolecules have: A.
Low molecular weight
C.
Low solubility and are complex
✓
B.
High molecular weight
D.
Higher solubility and are simple
B.
fructose
D.
none
On hydrolysis, sucrose (cane sugar) yields: A.
glucose
C.
both a & b
✓
The conversion of complex food into simpler and soluble substance by the ac on of enzymes is: A.
They helps in movement because
B.
Inges on
C.
Diges on
D.
Transloca on
Some enzymes also have a non-protein part known as a cofactor, which is essen al for the proper func oning of the: A.
substrate
C.
Reactant
10-7moles
✓ Q.531
molarity
In water,glycogen is:
✓ Q.529
A.
Nucleic acids were first isolated in 1870 by Friedrich Miescher from the nuclei of:
✓ Q.526
Page 33
✓
B.
Enzymes
D.
Product
per L of water is concentra on of which of the followings?
A.
Hydrogen ion
B.
Hydroxyl ion
C.
Collec ve concentra on of both
D.
Conc. of H2O
B.
All the enzymes not affected by temperature
D.
Not used in reac on
Which of the following statement is not correct? A.
Al the enzymes are biocatalysts
C.
All the proteins are enzymes
✓
The number of amino acids in proteins varies from few to even more than A.
1000
C.
2500
✓
B.
2000
D.
3000
B.
20
D.
170
B.
3.4 nm
D.
0.34nm
How many types of amino acids are found in cells and ssues A.
180
C.
45
The length of one turn of DNA double helix is A.
34 nm
C.
3.4 A
✓ ✓
Which of the starches are unbranched and soluble in hot water
✓
A.
Amylose
B.
Amylopec n
C.
Dextrins
D.
Cellulose
The binding site helps the enzyme in the recogni on and binding of a proper substrate to produce an: A.
BS complex
C.
RS Complex
Pepsinogen is produced in A.
Stomach
C.
Lysosomes
E.coli genome has approximately 5 million A.
Base in single DNA
C.
Base pairs in a paired strand RNA
✓ ✓ ✓
B.
PS complex
D.
ES complex
B.
Cytoplasm
D.
peroxistomes
B.
Bases in DNA duplex
D.
None of these
The most widely spread acyl-glycerol is triacyl glycerol, also called:
✓
A.
Triglycerides
B.
Neutral lipids
C.
Both a & b
D.
None
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One of the following built scale model of DNA
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D.
Erwin Chargaff
B.
Cyanide
C.
An metabolites
✓
D.
All of these
A.
Monosaccharide
C.
Polysaccharide
✓
B.
Disaccharide
D.
Trisaccharide
A.
Cellulose
B.
Starch
C.
Glycogen
D.
Amylopec n
A.
Enzyme
C.
Product
✓ body---------oC
B.
Reactant
D.
Substrate
is the op mum temperature.
A.
27
B.
17
C.
37
D.
47
A.
plasma membranes
C.
chromosomes
A.
Ribonucleo des
C.
Polypep des
B.
cell walls
✓
D.
ribosomes
✓
B.
Deoxyribo nucleo des
D.
Polysaccharides
If more is added to already occurring enzyma c reac on and there is not effect on the rate of reac on, what is the form given to this situa on? A.
Satura on
B.
Denatura on
C.
Composi on
D.
Imbibi on
The determina on of starches can be es mated given blue color with A.
Sodium
B.
Magnesium
C.
Iodine
D.
Zinc sulphate
The two helices of DNA are held together by weak: A.
Nitrogen bonds
B.
Oxygen bonds
C.
Hydrogens bonds
D.
Carbon bonds
C-N link forms bonds A.
Covalent
B.
Ionic
C.
Pep de
D.
Polypep de
Ring forms consist of: A.
Pyrose form
B.
Furanose form
C.
Boht pyranose and furanose forms
D.
Glycoside bonds
Polymerase III adds nucleo de to __________ end of DNA stand
✓
A.
3
B.
5
C.
Primers
D.
Variable
Amino acids are arranged in proper sequence according to the instruc ons transcribed on
✓ Q.555
An bio cs
Genes are made of
✓ Q.553
Watson and Crick
Both glycoproteins and glycolipids are integral structural components of:
✓ Q.552
A.
For enzymes of human
✓ Q.551
F. Sanger and F. Miescher
B.
At low concentra on of substrate the reac on rate is directly propor onal to the available:
✓ Q.550
C.
✓
The cheif form of carbohydrate stored in animal body is
✓
Q.549
Maurice Wilkins and Rosalind Franklin
Sucrose is:
✓ Q.546
A.
Which of these may act as inhibitor?
✓ Q.544
Page 34
A.
tRNA
B.
rRNA
C.
mRNA
D.
DNA
A single enzyme can catalyze
✓
A.
Single substrate
B.
Group of similar substrate
C.
Both of these
D.
All of these
The amino acid cysteine contains:
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C.
-SH
D.
-NH
A.
35oC
B.
36 oC
C.
37 oC
D.
38 oC
B.
Amylopec n
D.
None
A.
Amylose
C.
Floridian starch
✓
A.
Amino group
B.
Carboxyl Group
C.
Both a and b
D.
Methyl group
A.
Mosquitoes
B.
Honey bees
C.
Ferns
D.
Sugar cane species
If non-protein part is loosely a ached to the protein part it is known as: A.
Co-factor
C.
Holoenzyme
✓
B.
Coenzyme
D.
Prosthe c group
DNA contents in mammalian cells A.
1.1%
B.
2%
C.
0.25%
D.
4%
To which carbon of glycerol, phosphoric acid is a ached in phospholipids?
✓ Q.564
-H
More than 500 pairs of chromosomes are found in some
✓ Q.563
B.
Which could act as a reac ve part of a dipep de ?
✓ Q.561
-GH3
Which starch has branched structure?
✓ Q.560
A.
Which of the temperatue is op mum for enzyme ac on in man
✓ Q.558
Page 35
A.
Carbon 1
B.
Carbon 2
C.
Carbon 3
D.
Carbon 4
De-oxyribonucleoside contains
✓
A.
Five carbon sugar
B.
Three carbon sugar
C.
No sugar
D.
Four carbon sugar
B.
Disaccharide
D.
Polysaccharide
The most abundant carbohydrate in nature belongs to group A.
Monosaccharide
C.
Oligosaccharide
✓
Q.566
The poten ally for replica on of deoxyribose nucleic, acid depends on B. electrovalent bonds between base and A. covalent bonds between bases phosphate ✓ D. hydrogen bonds between bases C. high energy bonds between phosphate groups
Q.567
Anabolic reac ons are those in which:
Q.568
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Q.571
C.
Energy is neither absorbed nor released
A.
ATP
C.
mRNA
✓ ✓
B.
Energy is absorbed
D.
Food i broken
B.
NAD
D.
DNA
Starch, glycogen, cellulose, dextrins, agar, pec n, and chi n are some biologically important: A.
monosaccharides
B.
oligosaccharides
C.
polysaccharides
D.
disaccharides
B.
3' end
D.
D loop
Amino acid is a ached to ______ end of aminocyl tRNA A.
5' end
C.
An codon
✓
Forma on of DNA from DNA is
✓ Q.572
Energy is released
An example of dinucleo de is
✓ Q.570
A.
A.
Transcrip on
B.
Transla on
C.
Replica on
D.
Cell division
Heat provides ac va on energy and therefore, chemical reac ons are accelerated at:
✓
A.
low temperatures
B.
moderate temperatures
C.
high temperatures
D.
none
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Amino acids are linked to each other by a: A. C.
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Pep de bond Protein
C.
Both of these
D.
Sequence of amino acid
A.
Primary structure
C.
Ter ary structure
B.
Secondary structure
✓
D.
Quaternary structure
B.
Chromosomes
✓
D.
Lysosomes
In the cells diges ve enzymes are mostly in: A.
Cell well
C.
Ribosomes
Which paring is not found in DNA A.
A-G
B.
G-T
C.
T-U
D.
All of these
Glycogen is stored in
✓
A.
Liver
B.
Spleen
C.
W.B.C
D.
Skin Cells
Since there are four bases in DNA and sequence of three bases in the mRNA molecule (triplet) contains coded informa on (condon) for the various amino acids, the number of triplet codons possible is A.
12
C.
16
✓
B.
48
D.
64
Separa on of a pair of homologous chromosomes and their segrega on during meiosis is Non-disjunc on Dissocia on
✓
B.
Separa on
D.
Disjunc on
In glycosidic linkages stability is provided to the complex carbohydrate molecules by associa on of: A.
carbon-carbon
C.
carbon-oxygen
✓
B.
carbon-hydrogen
D.
carbon-nitrogen
How many fa y acid residues are normally present in a phospholipid molecule? A.
1
C.
3
✓
B.
2
D.
4
The defects in HIV infected cells lead to failure of which of the following systems
✓
A.
Immune
B.
Respiratory
C.
Nervous
D.
Hormonal
B.
Phosphorus
D.
Carbon
To which atom amino group is a ached in an amino acid? C.
Q.586
D. B.
A. Q.585
Glycosidic bond
Length of gene
C.
Q.582
B.
A.
A. Q.581
Hydrophobic bond
✓
Haemoglobin, the oxygen carrying protein of red blood cells, is a:
✓ Q.578
Ester bond
Length of m RNA depends upon
✓ Q.575
Page 36
Nitrogen Hydrogen
✓
Which of the following molecule form pep de bonds within their molecules
✓
A.
kara n
B.
cellulose
C.
carbohydrate
D.
maltose
B.
They change the rate of catalyzed reac on
D.
They are non specific in nature
Which statement about enzyme is not true A.
They consist of protein
C.
They are sensi ve to heat
✓
The unbranched chain of glucose that is soluble in hot water are A.
Amylopec n starch
C.
Sucrose
✓
B.
Amylose starch
D.
Dextrose
Two strands of DNA are coiled around each other in the form of: A.
Double helix
C.
α-helix
✓
B.
Single helix
D.
Triple helix
Which one is micro molecule?
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✓
Q.600
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Protein
C.
Water
D.
Hemoglobin
A.
Conversa on
B.
Semi conserva on
C.
Dispersive conserva on
D.
All
B.
H2CO3
D.
H3PO4
A.
H2SO4
C.
H2PO3
✓
A.
Maurice Wilikins and Poalind Franklin
B.
Watson and Crick
C.
F. Sanger and F. Miecher
D.
Erwin Chargaff
All the informa on for the structure and func on of a cell is stored in A.
Nucleus
C.
RNA
✓
B.
DNA
D.
Proteins
Waxes are A.
Terpenoids
B.
Glycerides
C.
Mixture of various compounds
D.
Phospholipids
B.
Heat of vaporiza on
D.
Heat of dissocia on
The colories absorbed per gram of water vaporized are called A.
Specific heat capacity of water
C.
Heat of ioniza on
✓
The compound present in all types of cells and in all parts of the cells and comprise over 50% of their total dry weight is A.
Carbohydrates
C.
Lipids
✓
B.
Proteins
D.
Nucleic Acids
All three types of RNA are synthesized form DNA in the: A.
Mitochondria
B.
Chloroplasts
C.
Cytoplasm
D.
Nucleus
The non-protein part of enzymes is enzymes is known as:
✓ Q.599
B.
One of the followings used X-rays diffrac on technique to determine structure of DNA
✓ Q.598
Polysaccharide
Phospheric acid
✓ Q.595
A.
The primary structure is disrupted in which of these hypothesis
✓ Q.591
Page 37
A.
Holoenzyme
B.
Apoenzyme
C.
Coenzyme
D.
All the above
Substance which on hydrolysis yield polyhydroxy aldehydes r kenton sub-units are:
✓
A.
Acylglycerols
B.
Polypep des
C.
Carbohydrate
D.
Nucleic acids
B.
Carbohydrates
D.
Nucleic acids
Fats, oils, waxes, cholesterol, and related compounds are: A.
Proteins
C.
Lipids
✓
The ac ve site of the enzyme is made up of two definite regions i.e, the binding site and the: A.
Non-binding site
C.
Inac ve site
Found in fruits A.
Glycogen
C.
Cellulose
B.
Non-cataly c site
✓
D.
Cataly c site
✓
B.
Starch
D.
All
B.
Disaccharides
D.
Tetrasaccharides
The oligosaccharides yielding 2 monosaccharides known as: A.
Bisaccharides
C.
Trisaccharides
✓
Ester is a compound produced as a result of chemical reac on between alcohol and
✓
A.
Acid
B.
Base
C.
H 2O
D.
Alkane
All chemical reac ons taking place in a living cell are collec vely known as A.
Catabolism
B.
Anabolism
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✓
Q.618
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Nucleoside
B.
d-Nucleoside
C.
d-Nucleo de
D.
Neucleo de
A.
RNA
C.
Chromosomes
✓
B.
Nucleus
D.
DNA
A.
In soluble in aqueous medium
B.
Inelas c
C.
Crystalline
D.
None of these
A.
Covalent bonds
B.
Disulfide bonds
C.
Ester bonds
D.
Ionic bonds
The conjugate of protein which which of the following compound control the gene expression inthe cell: A.
Carbohydrates
C.
Lipid
✓
B.
Nucleic acids
D.
Inorganic ions
Glycylalanine has how many pep de linkages
✓
A.
One
B.
Two
C.
Three
D.
No one
B.
Amylose
D.
Cellulose
Which is unbranched? A.
Starch
C.
glycogen
✓
Which is not true about the Turpen ne oil: A.
It is lipid
B.
Terpenoid
C.
Obtained from plants
D.
Consist of acylglycerol
Which enzyme iden fies the par cular sequence of nucleo des at origin A.
SSB
C.
Polymerase
✓
B.
Ligase
D.
Helicase
Which one of the following statements correctly describes the transcrip on of DNA? A.
It produces amino acids
B.
it results in an increases DNA synthesis
C.
it produces messenger DNA synthesis
D.
it is a semi-conserva ve process
Human ssue contain water A.
30%
B.
14%
C.
20%
D.
15%
B.
Plant fats
D.
Triacylglycerol
Most common acylglycerols are A.
Animal fats
C.
Monocylglycerol
The enzymes that are integral part of ribosomes catalyze A.
Syntheis of mRNA
C.
Kreb's cycle
✓ ✓
B.
Synthesis of proteins
D.
Dark reac on
B.
Red
D.
No color
The colour that cellulose gives with iodine is A.
Blue
C.
Violet
✓
The ac va on energy of the reac on i s lowered by:
✓ Q.621
A.
In quaternary structure of proteins, the ter ary chains are aggregated and held together by hydrophobic interac ons, hydrogen and:
✓ Q.617
None
Fibrous proteins are
✓ Q.616
D.
The hereditary material that controls the proper es and poten al ac vi es of a cell is
✓ Q.614
Metabolism
Compound formed by combina on of base and ribose sugar?
✓ Q.610
C.
Page 38
A.
coenzymes
B.
substrate
C.
enzymes
D.
product
B.
Waxes
D.
Terpenoids
Esters of fa y acids and alcohol are: A.
Acylglycerols
C.
Sphingolipids
✓
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Nucleic acid has special affinity with what kind of proteins?
✓
A.
Basic
B.
Fibrous
C.
Globular
D.
Acidic
B.
Beta glucose molecules
D.
Beta sucrose molecules
Cellulose is a polymer of A.
Alpha glucose molecule
C.
Alpha sucrose molecule
A.
Starch
B.
Glucose
C.
Glycogen
D.
Amylose
B.
717.61 K Cal of solar energy
D.
717.6 K Cal of solar energy
B.
5 to 3
D.
Both a and b
The synthesis of 10g of glucose requires A. C.
Q.626
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Q.631
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Q.633
Q.634
Q.635
Q.636
Q.637
717.6 Cal of solar energy
✓
A.
3 to 5
C.
5 to 2
✓
For proper func oning, many enzymes require non-protein component called A.
Prosther c group
B.
Cofactor
C.
Coenzyme
D.
Substrate
Name of the enzyme ends in suffix:
✓ Q.629
717.6 K Cal of heat energy
The direc on of the DNA strands is opposite running from
✓ Q.628
✓
The reserved form of carbohydrates in animals is
✓ Q.625
Page 39
A.
- cease
B.
- adeae
C.
- ase
D.
All of these
B.
Starch
D.
Glycogen
Animals obtain carbohydrates mainly from : A.
Glucose
C.
Sucrose
✓
Ini a on complex in prokaryotes, N-formyl methionine-tRNA binds to A.
Larger subunit of Ribosomes
C.
mRNA
✓
B.
Small subunit of Ribosomes
D.
rRNA
Which of the following is the best evidence for the lock and key theory of enzyme ac on. A. All isolated enzyme have been iden fied ads ✓ B. Compound similar in structure to the protein substrate inhibit the reac on C. Enzymes found in living organisms speed up D. Enzymes determine the direc on of reac on certain reac ons Typically a nucleo de is composed of three components i.e, pentose sugar, nitrogenous base, and: A.
Amino acid
C.
Fa y acid
The lytc agents that destroy bacterial colonies A.
Bacteria
C.
Prions
✓ ✓
B.
Phosphoric acid
D.
Ace c acid
B.
Virus
D.
Capsomers
All living things are made of certain chemical compounds , which are generally classified as:
✓
A.
Organic and Inorganic
B.
Polar and Non-polar
C.
Ionic and Non-ionic
D.
Acids and Bases
B.
Nucleic acids
D.
None
Proteins are polymers of: A.
Fa y acids
C.
Amino acids
✓
Which of the following is pure form of cellulose?
✓
A.
Co on
B.
Wood
C.
Coal
D.
Cell wall
All the amino acids have an group (-NH2) and a carboxyl group (-COOH) a ached to the same carbon atom, also known as:
✓
A.
Alpha carbon
B.
Beta carbon
C.
Gamma carbon
D.
Sigma barbon
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Of the total RNA in the cell mRNA is about:
✓
A.
3-4%
B.
1-2%
C.
2-4%
D.
3-5%
Phospholipids are deriva ves of
✓
A.
Acylglycerol
B.
Fa y acid and ace c acid
C.
Phospha dic acid
D.
Waxes
Post transcrip on modifica on takes place in
✓
A.
Eukaryotes only
B.
Prokaryotes only
C.
Both
D.
Bacteria
Glycoproteins & glycolipids are structural integral component of A. C.
Q.642
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Q.645
Q.646
✓
Q.648
Q.649
Q.651
Q.652
Q.653
Q.654
Cell wall
B.
Golgi bodies
D.
Plasma membrane
A.
Gene c composi on of the individual
B.
Gene c composi on of the germ cell
C.
Appearance of an individual
D.
Gene sequence of an organism
Proteins a my undergo varia on varia ons
Lactose is an example of A.
Polysaccharide
C.
Monosaccharide
✓
B.
Disaccharide
D.
Oligosaccharide
Silk fibre, myosin, fibrin, and kera n are examples of:
✓
A.
Ovular proteins
B.
Globular proteins
C.
Fibrous proteins
D.
Tough proteins
The most abundant disaccharide in nature: A.
maltose
B.
lactose
C.
Sucrose
D.
Glucose
A virus transmi ed through the feces of an infected person causes A.
Hepa
sA
C.
Hepa
sC
140 million is the average no. of A.
Nucleo des per genome
C.
Nucleo de pair per chromosomes
B.
Hepa
sB
✓
D.
Hepa
sE
✓
B.
Nucleo des per chromosome
D.
Nucleo de pair per genome
Blocking of ac ve site of any enzyme temporarily is a kin of:
✓ Q.650
✓
Amino acids involved in protein synthesis are of 20 types but proteins formed are of innumerable types because: ✓ A. Amino acids can be arranged variously to B. Only 20 types of proteins can be formed form large variety of proteins C. Repe ve protein s are there
✓ Q.647
Ribosome
Genotype means
D. Q.644
Page 40
A.
Compe
C.
Feed back inhibi on
ve inhibi on
B.
Non-compe
D.
Non reversible
ve inhibi on
B.
Vitamin B
D.
Vitamin D
Which is not a lipid? A.
Terpenes
C.
Steroids
✓
The two strands wound around each other so that there are 10 base pairs in each turn of about:
✓
A.
3.4A
B.
134 A
C.
34 A
D.
54 A
The sugar with the keto group is called:
✓
A.
keto-sugar
B.
ketonic sugar
C.
both a & b
D.
none
By increasing the enzyme molecule, there is an increase in the number of: A.
binding sites
C.
cataly c sites
✓
B.
ac ve sites
D.
none
Animals that can digest cellulose with the help of cellulase producing bacteria are called
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✓
Q.668
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Herbivores
B.
Carnivores
C.
Omnivores
D.
Parasites
A.
100 - 200
B.
200 - 1000
C.
2000 - 4000
D.
1000 - 2000
B.
Oligosaccharide
D.
None of these
Cane sugar is a/an A.
Polysaccharide
C.
Monosaccharide
✓
The enzyme which combines with non-protein part of func onal enzyme is: A.
Apoenzyme
C.
Prosthe c group
Most of the monosaccharides form a ring structure when in A.
Acid
C.
Base
✓
B.
Holoenzyme
D.
None of these
B.
Solu on
D.
Metabolism
B.
Thymine
✓
D.
Guanine
✓
B.
Some amino acids
D.
R-groups of amino acids
✓
Which one is not pyrimidine A.
Cytosine
C.
Uralic
The charge & shape of ac ve site is formed by A.
Polypep de chain
C.
Environment condi ons
A short length of DNA double stranded molecule contains 120 adenine and 120 cytosine bases. The total number of nucleo des in this DNA fragment is A.
480
B.
120
C.
60
D.
240
B.
pepsin
D.
Trypsin
B.
Co-enzyme
D.
Both a and b
Pepsinogen is the inac ve form of: A.
protease
C.
Erypsin
✓
NaD is a/an A.
Nucleo de
C.
Respiratory protein
✓
The smallest bacteria belongs to genus
✓
A.
Mycoplasma
B.
Escherichia coli
C.
Streptococcus
D.
Diplococcus
Waxes are an important component of insects as
✓
A.
Exoskeleton
B.
Endoskeleton
C.
Both A and B
D.
None
An important nucleo de used as an energy currency by the cell is:
✓ Q.667
A.
No. of nucleo des in Okazaki fragments in prokaryotes is
✓
Q.662
Page 41
A.
NAD
B.
FAD
C.
TTP
D.
ATP
The process of separa on of prophage to start ly c cycle is known as A.
Adsorp on
C.
Induc on
✓
B.
Lysogeny
D.
penetra on
Which nitrogenous base is present in phospholipids? A.
Serine
C.
Choline
In drosophila the autosomal sets are A.
5
C.
2
B.
Enthanolamine
✓
D.
All of these
✓
B.
3
D.
6
B.
Phospholipid
Lipids found in our body as: A.
Triglyceride
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A.
Adenovirus
C.
RNA virus
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✓
Q.685
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D.
DNA virus
A.
4088 proteins
C.
4188 proteins
✓
B.
4288 proteins
D.
4088 proteins
Ernst Hackle Erwin Chargaff
✓
B.
Watson & Crick
D.
Wilkins and Franklin
A.
Waxes
C.
Sphingilipids
✓
B.
Phospholipids
D.
Terpenoids
A.
Nucleoide
B.
Nucleoside
C.
Nucleoid
D.
Nucleopep de
A.
Small pox
B.
Influenza
C.
Tetanus
D.
polio
Who did describe the complete sequence of amino acids of insulin A.
F. Miecher
C.
Avery
✓
B.
F. Sanger
D.
Mc Carty
The op mum pH of enterokinase is: A.
1.50
B.
3.50
C.
5.50
D.
7.50
B.
574
D.
774
B.
glycogen
D.
Insulin
The heat of vaporiza on of water is: A.
474
C.
674
Which of the following does not contain amino acids? A.
Carbonic anhydrase
C.
hemoglobin
✓ ✓
Which one of the following pointed out the rela onship of genes and chromosomes A.
Su on
B.
Devries
C.
Beadle
D.
Morgan
The nucleohistones play an important role in regula on of: A.
nerve impulse
B.
assimila on
C.
gene expression
D.
gene replica on
Histone proteins combine with DNA to form a complex
✓ Q.684
✓
One of the followings is not a viral disease
✓ Q.683
Reterovirus
The compound formed by combina on of a base and a pentose sugar is called:
✓ Q.682
B.
s B is virus
Nitrogeneous bases such as choline, serine, etc are one of the important components of which of the followings
✓ Q.679
All of these
The scale model of DNA was built by:
✓ Q.677
D.
E. coli genome consists of 4639221 base pairs which code for at least
C.
Q.675
✓
Cholesterol
The causa ve agent of hepa
A. Q.674
Page 42
A.
Nucleosome
B.
Kinetochore
C.
Chroma n
D.
Centromere
The viruses that infect bacteria are called
✓
A.
Bacteriophages
B.
Prophage
C.
Virion
D.
Prion
Starches which have unbranched chains of glucose and are soluble in hot water are: A.
amylose
C.
amyloagar
✓
B.
maylochi n
D.
amylopec n
Three carbon aldehyde form of sugar
✓
A.
Glyceraldehyde
B.
Aldehyde
C.
Dihydroxyaceton
D.
Formaldehyde
The carbohydrates are called hydrated carbon because:
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C.
They have carbon and water
D.
Carbon hydrogen bond
B.
Liver
D.
Both b and c
B.
Acylglycerols
D.
Terpenoids
A.
Skin cells
C.
Muscle
A.
Waxes
C.
Phospholipids Red
B.
Blue
C.
No color
D.
White ppt
A.
Lipoproteins
B.
Glycoproteins
C.
Enzymes
D.
Histones
A.
They help in movements
B.
They are building blocks of chlorophyll
C.
They are essen al for metabolic processes
D.
They enhance the absorp on of water
The word chromosome comes from the Greek 'chroma' which means A.
Gene c material
C.
Body
Colored
A.
Apoenzyme
B.
Proenzyme
C.
Holoenzyme
D.
All of these
B.
Hydrogen
D.
Phosphodiester
B.
Sequence of amino acids
D.
Coiling and folding of amino acids
A.
Ester
C.
Pep de
✓
A.
Number of amino acids
C.
Arrangement of amino acid
✓
Human ssue have 20 per cent water in: A.
Brain cells
B.
blood cells
C.
kidney cells
D.
bone cells
B.
saturated fa y acids
D.
unsaturated fa y acids
Oleic acid is example of: straight fa y acids ringed fa y acids
✓
The cataly c site of the enzymes that site which: A.
Recognize the substrate
B.
Bind with the cofactor
C.
Change substrate into product
D.
Which itself changes
Human cell contain _______ types of tRNAs A.
20
B.
34
C.
45
D.
50
Milks sugar is:
✓
A.
Glucose
B.
Fructose
C.
Lactose
D.
Sucrose
B.
4.60
D.
7.60
B.
Disaccharide
D.
Polysaccharide
The op mum pH of catalase is: A. C.
Q.703
D.
Which of the following is not the primary structure of protein:
✓
Q.702
DNA
The nucleo des unite through which of the followings linkages
✓
Q.701
✓
B.
The detachable cofactor if it is an inorganic ion is called
C.
Q.700
✓
A.
A. Q.699
✓
Enzymes are useful to plants because:
✓ Q.698
Contain carbon hydrogen and oxygen
The biologically ac ve proteins are
✓ Q.695
B.
Cellulose gives ______ color with iodine
✓ Q.693
They have hydrogen and carbon
Steroids are the members of
✓ Q.692
A.
Glycogen is found in which of animal cells?
✓ Q.691
Page 43
2.50 5.70
✓
Glycogen is chemically A.
Monosaccharide
C.
Oligosaccharide
✓
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Nuclei acid was extracted for the first me from
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C.
Drosophila
B.
Gregor Mendel
C.
Su on
D.
Hargovind Khorana
A.
Nucleo des
C.
Nucleopep des
✓
Q.720
Nucleoids
A.
374 Kcal/kg
B.
474 Kcal/kg
C.
574 Kcal/kg
D.
674 Kcal/kg
A.
tetravalent
B.
covalent
C.
bivalent
D.
trivalent
✓
A.
Non polarity
C.
Stability
✓
B.
Non stability
D.
Polarity
A.
Glutamate
B.
Citruline
C.
Arginosuccinate
D.
Arginine
B.
rRNA
D.
tRNA
iRNA mRNA
✓
It is the site where empty tRNA will exit the ribosome A.
A site
B.
P site
C.
E site
D.
Ac ve site
Most abundant organic substances of living things A.
Water
B.
Carbohydrates
C.
Proteins
D.
Lipids
B.
They change the late of catalyzed reac on
C.
They are sensi ve to heat
Which statement about enzymes is not true? A. They consists of proteins, with or without cofactor D.
They are non-specific in their ac on
Gene controls A.
Heredity, but not protein synthesis
B.
Protein synthesis but not heredity
C.
Protein synthesis but not heredity
D.
Biochemical reac on of some enzymes
Coenzymes are closely related to: A.
proteins
B.
lipids
C.
vitamins
D.
metals
The number of proteins in the human body is over:
✓
Q.719
Nucleosides
About 15% of the total RNA is
✓
Q.718
B. D.
What was the precursor substrate of biochemical pathway described by Beadle and Tatum for arginine biosynthesis?
✓
Q.717
✓
The water is an excellent solvent for polar substances due to its
✓
Q.716
Bacteria
Carbon is:
✓
Q.715
D.
The specific heat of vaporiza on of water is:
✓
Q.714
Human cell & fish sperms
Charles Darwin
C.
Q.713
B.
A.
A. Q.712
✓
Nucleic acids are polymers of units called:
✓ Q.708
Fish sperms
Chromosomal theory of the heredity was postulated by
✓ Q.706
A.
Page 44
A.
1,000
B.
2,000
C.
5,000
D.
10,000
B.
Secondary structure of DNA
D.
Specie
B.
Fischer 1890
D.
Franklin 1890
Amount of DNA is fixed for a par cular A.
Ter ary structure of DNA
C.
Community
Lock and key model of enzymes was proposed by A.
Robinson 1878
C.
Watson 1890
✓ ✓
Extreme changes in pH cause the bonds in the enzyme to break. resul ng in the enzyme.
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B.
Decelera on
C.
Deconforma on
D.
Deconfigura on
B.
Double strand
D.
Quadruple strand
B.
4
D.
2
A.
Single strand
C.
Triple strand
✓
A.
3
C.
6
✓
Carbon atom in butyric acid: A.
4
B.
16
C.
18
D.
2
Nucleo de is composed of one of the following subunits
✓
A.
Nitrogen base, Ribose and Nitrate
B.
Nitrogen base, Deoxyribose and Phosphate
C.
Nitrogen, Ribose and Phosphate
D.
Nitrogen base, Deoxyribose and Nitrate
B.
80 chromosomes
D.
6 chromosomes
Sugar cane has A.
26 chromosomes
C.
500 chromosomes
✓
The term feedback refers to: A. The effect of substrate on the rate of ✓ B. The effects end product on the rate of enzyma c reac on enzyma c reac on C. The effect of enzyme concentra on of the D. The effect of an external compound on the rate of enzyma c reac on rate of enzyma c reac on If non-protein part of the enzyme is loosely a ached to the protein part it is known as A.
Cofactor
C.
Metal ac vator
✓
B.
Prosthe c group
D.
Coenzyme
The glucose level in our blood is A.
0.25%
B.
0.78%
C.
0.08%
D.
0.09%
The branched and insoluble starch that gives blue color with iodine is called A.
Amylopec n
C.
Glycogen
✓
B.
Amylose
D.
A and B
The group that gives each amine acid its uniqueness is:
✓ Q.731
Denatura on
Ac ve site of enzyme is made up of ________ regions
✓ Q.729
A.
The RNA molecules occur as:
✓ Q.724
Page 45
A.
-COOH
B.
-NH2
C.
R group
D.
GABA
B.
Solu on
D.
Stomach
Most of the monosaccharides form a ring structure when in: A.
Water
C.
Solvent
✓
The temperature at which enzymes can work at their maximum rate A.
Minimum
C.
Maximum
Proteins are polymers of A.
Nucleic acids
C.
Both a and b
✓ ✓
B.
Op mum
D.
All these
B.
Amino acids
D.
None of these
B.
Acrocentric
D.
All kinds
Human karyotype has which kind of chromosomes A.
Metacentric
C.
Telocentric
✓
The compound that is able to store double the amount of energy as compared to the same amount in any carbohydrate is A.
Fats
C.
Carotenoids
✓
B.
Lipids
D.
Steroids
The most abundant carbohydrate in nature
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A.
Cellulose
B.
Glycogen
C.
Starch
D.
Chi n
------------inhibitors occupy the ac ve sites by forming covalent bonds or they may physically block the ac ve sites. A.
Reversible
C.
Reparable
✓
Irreparable
D.
Irreversible
A.
Cellulose
B.
Glycogen
C.
Wax
D.
Protein
In living organisms carbohydrates, proteins, lipids and nucleic acids are most important:
✓
A.
inorganic compounds
B.
organic compounds
C.
both a & b
D.
none
Who worked out the structure of DNA?
✓
A.
Watson & Crick
B.
Hershey and Chase
C.
Griffith
D.
Miescher
Oxygen-carrying protein: A.
haemoglobin
B.
myoglobin
C.
immunoglobulin
D.
both a and b
B.
Chloroform
✓
D.
All a, b, c
B.
2000
✓
D.
200
Lipids are soluble in organic solvents such as: A.
Alcohol
C.
Benzene
The number of base pairs in each nucleosome is A.
100
C.
300
Which of the following amounts of bases are more likely to be found in an organism? A.
Adenine 30.9% and cytosine 30.7%
C.
Cytosine 19.8% and Tymine 20.0%
✓
B.
Guanine 27.5% and Adenine 27.8%
D.
Adenline 32% and Thymine 31.9%
In bacteria, genes for an bio c resistance are usually located in A.
Genomic DNA
C.
Mitochondria
The op mum pH of Sucrase is: A.
2.50
C.
6.50
B.
Cytoplasm
✓
D.
Plasmids
✓
B.
4.50
D.
8.50
Centromere is located at p of chromosomes A.
Metacentric
C.
Acrocentric
✓
B.
Submetacentric
D.
Telocentric
FAD (Flavin adenine dinucleo de) is a/an
✓
A.
Coenzyme
B.
Ac vator
C.
Prosthe c group
D.
All of these
B.
lodine
D.
crystal violet
Scratches given blue colour with: A.
chlorine
C.
methylene blue
✓
Deoxyribonucleic acid or DNA and ribonucleic acid or RNA are of two types of:
✓
A.
Fa y acids
B.
Nucleic acids
C.
Amino acids
D.
Carboxylic acids
Glycogen Is stored in: A. C.
Q.752
✓
B.
Co on is the pure from of
✓ Q.742
Page 46
Live cells Blood
The cataly c ac vity of an enzyme is restricted to A.
Substrate
C.
A polypep de chain in the enzyme
B.
Muscles
✓
D.
Both live cells and muscles
✓
B.
Ac ve site
D.
All these
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Coenzyme is:
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✓
Q.765
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Always a protein
C.
Always as inorganic compound
✓
B.
O en a metal
D.
O en a vitamin
A.
Uracil instead of Thymine
B.
Uracil instead of Guanine
C.
Uracil instead of Adenine
D.
None of these
DNA structure is formed by A.
Francis
B.
Crick
C.
Both
D.
Not any
B.
Bacteria
D.
Bacteria and Protozoans
B.
RNA polymerase
D.
None of these
Leeuwenhoek assigned the term "animalcules" to A.
Viruses
C.
Protozoans
mRNA is synthesized by A.
DNA polymerase
C.
RNA ligase
✓ ✓
If temperature is reduced to near to below freezing point, enzymes are: A.
denatured
C.
de-catalyzed
✓
B.
inac vated
D.
unaffected
Nucleic acids are polymers of units called
✓
A.
Nucleo des
B.
Nucleosides
C.
Phosphoric acid
D.
None of these
Over 50% of the total dry weight of the cells are:
✓
A.
Lipids
B.
Proteins
C.
Carbohydrates
D.
Nucleic acids
B.
Anabolism
D.
Coordina on
B.
Are basically different in nature
D.
Are an parallel and complementary
Respira on refers to: A.
Catabolism
C.
Botha (a) and (b)
✓
The two strands of DNA A.
Are similar in nature and complementary
C.
Are an parallel and non complementary
✓
The detachable co-factor is known as an ac vator if it is:
✓ Q.764
A.
The major difference between DNA and RNA is the presence of
✓ Q.756
Page 47
A.
organic ion
B.
bon-ionic
C.
inorganic ion
D.
both a & b
The esters of fa y acids and glycerol is
✓
A.
Acylglycerol
B.
Palmi c acid
C.
Lecithin
D.
Phospholipid
B.
Ac n
✓
D.
Troponin
✓
B.
30.9 %
D.
21.4%
B.
Energy is absorbed
D.
Photosynthesis is example
Which one is not a fibrous protein? A.
Fibrin
C.
Kera n
Rela ve amount of adenine of DNA in man is A.
19.9 %
C.
27.1%
Catabolic reac on are those in which: A.
Energy is released
C.
Energy is neither absorbed nor released
✓
Who was the first person to show by X-rays photograph of the helix structure of DNA molecule? A.
Hershey and Chase
C.
J-Wilson and Crick
✓
B.
Miecher
D.
Rosalind and Franklin
Due to its unique proper es, the central posi on in the skeleton of life is occupied by A.
Hydrogen
B.
Nitrogen
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✓
B.
β-pleated sheet
C.
Random coils
D.
None
The ini a on of replica on is carried out by which enzyme A.
Polymerase III
C.
Polymerase I
✓
B.
Primase
D.
Helicase
Most of the starch content is
✓
A.
Amylose
B.
Amylopec n
C.
Both are equal
D.
Dextrose
B.
RNA
D.
Inorganic ions
B.
Lipids
D.
Proteins
B.
Glycogen
D.
Lactogen
A mammalian cell contain 1.1%: A.
DNA
C.
Protein
✓
The most abundant organic compound found in cell is A.
Carbohydrates
C.
Nucleic Acids
Animal starch is A.
Cellulose
C.
Glucose
✓ ✓
The survival of an organism depends upon its ability to take some chemicals form its environment and use them to make chemicals to its own: A.
Protoplast
C.
Vital ma er
The molecular formula of maltose is A.
C12H22O11
C.
C12H22O12
✓ ✓
B.
Living Ma er
D.
All of them
B.
C12H24O12
D.
C6H22O11
An enzyme with its coenzyme , or prosthe c group, removed is designated as:
✓
A.
apoenzyme
B.
holoenzyme
C.
apoenzyme
D.
proenzyme
The transfer of gene c material from one cell to another which can alter the gene c makeup of the recipient cell is called A.
Conjuga on
B.
Muta on
C.
Transforma on
D.
Transuda on
Lipids don not dissolve in water due to
✓
A.
Hydrophobicity of lipid molecules
B.
hydrophilicity of lipid molecules
C.
Hydrophobicity of water molecules
D.
Hydrophilicity of water molecules
In different organisms, water varies from A.
55 to 79%
C.
40 to 80%
✓
B.
65 to 89%
D.
65 to 66%
B.
cellulose
D.
all a, b, c
Glucose, is yielded on complete hydrolysis of: strach glycogen
✓
Which of the following amounts of bases are more likely to be found in an organisms? A.
Adenine 30.9% and Cytosine 30.7%
C.
Cytosine 19.8% and Thymine 20.20%
✓
B.
Guanine 27.5% and Adenine 27.8%
D.
Adenine 32% and Thymine 31.9%
The number of carbon atoms in a molecule of Palmi c acid are
✓ Q.785
Carbon
α-helix
C.
Q.784
D.
A.
A. Q.783
✓
By the folding back of the polypep des the structure formed is:
✓ Q.780
Oxygen
Page 48
A.
14
B.
15
C.
16
D.
17
B.
Insula ng material
All of the following func ons are performed by lipids except A.
Storage of energy
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Q.793
Q.794
Q.795
A.
O2
C.
HO2
✓
✓ ✓
H 2O
Nega ve inhibi on
B.
End product inhibi on
Feed back inhibi on
D.
All the above
A.
Ribofuranose
B.
Glucopyranose
C.
Furoribanose
D.
Pyroglucanose
A.
Koshland
B.
Fiescher
C.
Dr. Stahl
D.
Beacon
B.
ketones
D.
none
Chemical, carbohydrates are defined as polyhydroxy: A.
aldehydes
C.
both a & b
✓
Nitrogen bases in the DNA having double bond is called
✓
A.
Purines
B.
Pyrimidines
C.
Both a and b
D.
None of these
B.
Globular proteins
D.
Spherical proteins
The enzymes are: A.
Fibrous proteins
C.
Angular proteins
✓
In DNA replica on, the Okazaki fragments on the lagging strand are joined together by A.
DNA polymerase
C.
Helicase
The second major form of hepa A.
Hepa
sA
C.
Hepa
sC
s is
B.
Primase
✓
D.
DNA ligase
✓
B.
Hepa
sB
D.
Hepa
sD
Any factor that can alter the chemistry and shape of an enzyme can affect its rate of: A.
Reac on
B.
Ac va on
C.
Catalysis
D.
Both b & c
B. D.
Some enzyme found in the different organs or ssue Organic or inorganic group the is essen
A coenzyme is: On that shares funciton of antoher enzyme
Organic Non-proteinacceous group that is essen la for enzyme ac vity The "fiterable agents" were first purified by
✓
A.
Twort
B.
D'Hellere
C.
W.M. Stanley
D.
Charles Chamberland
Which of the following bond is formed between two amino acids A.
glycosidic
B.
hydrogen
C.
pep de
D.
dipole-dipole
Fats contaning unsaturated fa y acids are usually
✓
Q.801
D.
Lock and key model was modified by
✓
Q.800
H2
Ribose will form a ring knows as:
✓
Q.799
B.
C.
C.
Q.798
Protec on
A.
A.
Q.797
D.
Stoppage of a biochemical process by the product of a step is known as:
✓ Q.796
Water absorbing material
Hydrolysis is the break down of large molecules into smaller ones with the addi on of
✓ Q.788
C.
Page 49
A.
Solids
B.
Semi-solids
C.
Oils
D.
All
They are primary product of photosynthesis
✓
A.
Carbohydrates
B.
Proteins
C.
Lipids
D.
All
Cellulose of wood, co on and paper, starches presents present in cereal, roots tubers, cane sugar and milk sugar are all examples of:
✓
A.
carbohydrates
B.
lipids
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Q.805
Ribose
B.
Glucose
C.
Deoxyribose
D.
Deoxyglucose
B.
deac vates the neurotransmi er acetylcholine combines with the enzyme acetylcholinesterase
C.
✓
A.
Rubber
B.
Co on
C.
Wood
D.
Paper
combines with the enzyme acetylcholinesterase All of the following are polysaccharides except
Q.809
Q.810
Q.811
Q.812
Q.813
Q.814
Q.815
Q.816
Q.817
D.
The covalent bond between two monosaccharide A.
Glycogen
B.
Glucose
C.
Glycosidic
D.
All
The op mum pH of Salivary amylase is: A.
2.80
B.
4.80
C.
6.80
D.
8.80
A branch of Biology, which deals with the study of chemical components and chemical processes in living organisms is known as:
✓ Q.808
cause prolonged muscle contrac on
✓
✓ Q.807
nucleic acids
Nerve gas DFP(diisopropylofluorophosphate):
✓ Q.806
D.
A.
A.
Q.804
protains
Sugar in each nucleo de of DNA is:
✓ Q.803
Page 50
A.
Biochemistry
B.
Biomedical
C.
Biochemistry
D.
Molecular Biology
B.
63.1°C
D.
60.3°C
B.
Thymine
D.
Guanine
Mel ng point of Palmi c acid is A.
60.1°C
C.
-8°C
✓
Purines are adenine and. A.
Cytosine
C.
Uracil
✓
Which is cane sugar?
✓
A.
Sucrose
B.
Maltose
C.
Lactose
D.
Glucose
A er the breakdown, which of the bond does release energy:
✓
A.
Carbon hydrogen bond
B.
Carbon oxygen bond
C.
Carbon nitrogen bond
D.
Carbon phosphorus bond
Kera n is a protein
✓
A.
Fibrous
B.
Globular
C.
Ter ary
D.
Conjugated
B.
Photo-synthesis
D.
All
The bio-chemistry terms can be described in A.
Respira on
C.
Diges on
✓
The non-protein part of an enzyme
✓
A.
Cofactor
B.
Ac vator
C.
Coenzyme
D.
Prosthe c group
B.
Glucopyranose
D.
Pyroglucanose
Glucose will form a ring known as A.
Ribofuranose
C.
Glucofuranose
✓
Photosynthesis refers to:
✓
A.
Catabolism
B.
Anabolism
C.
Both (a) and (b)
D.
Coordina on
B.
Cellulose
Which polysaccharide is the most abundant on earth:
✓
A.
Starch
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Phospholipids
B.
Sphingolipid
C.
Terpnoid
D.
Acylglycerol
A.
Minimum temperature
B.
Maximum temperature
C.
Op mum temperature
D.
Best temperature
1gm of glucose will yield how much energy C.
Q.823
Q.827
Q.828
Q.829
Q.830
Q.831
Q.833
71.76 K cal
✓
B. C.
They are obligate intracellular parasites They can synthesize proteins and nucleus acid
It makes DNA - RNA hybrid weak
C.
It a aches the RNA
B.
It causes transcrip on bubble to disappear
✓
D.
It causes DNA polymerase to stop
B.
Lipids
D.
Proteins
Carbohydrates Fats
✓
Carbohydrates play __________ role in cell A.
Structural
B.
Func onal
C.
Both
D.
None
For the synthesis of 10 g of glucose 717.6 Kcal of -------energy is used. A.
Chemical
C.
Mechanical
✓
B.
Poten al
D.
Solar
The distance between two base pairs of DNA is
✓
A.
3.4°A
B.
34°A
C.
340°A
D.
3400°A
B.
40%
D.
50%
The percentage of DNA in composi on of chromosomes is A.
20%
C.
60%
✓
DNA strands are bound ghtly with
✓
A.
Hydrogen bonds
B.
Dipole-dipole interac ons
C.
Covalent bonds
D.
Weak forces
Oxygen is removed from which carbon atom in deoxyribose sugar?
✓
A.
2nd
B.
3rd
C.
4th
D.
5th
Number of carbon chains in waxes are A.
C15to C25
C.
C35to C45
✓
B.
C25to C35
D.
None
Phosphodiester bond is present between two
✓ Q.832
D.
Amino acids linked together to form polypep des of
✓
Q.826
5300 cal
They are resistant to an bio cs
A.
C.
Q.825
717.6 k cal
B.
✓
What is the purpose of hair pin
A. Q.824
3800 cal
Which is not characteris c of virus? A. They are electron microscopic infec ous agents D.
Q.822
Glycogen
A.
A. Q.821
D.
All enzymes can work at their maximum rate at a specific temperature called:
✓ Q.820
Glycogen
Testosterone is
✓ Q.819
Page 51
A.
Monosaccharides
B.
Amino acids
C.
Nucleo des
D.
Terpenoids
B.
34 A°
D.
2 A°
Diameter of DNA duplex is A.
0.34 A°
C.
20 A°
✓
Some carbohydrates e.g, cellulose, are the main cons tuents of cell walls in plants and:
✓
A.
fungi
B.
algae
C.
micro-organisms
D.
yeasts
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Q.835
Q.836
Some small molecules are so unstable that they are immediately broken down to release energy e.g.
✓
Q.838
A.
ATP
B.
AIDS
C.
NAD
D.
FAD
Op mal temperature of enzyme present in human body is ___________? A.
27°C
C.
47°C
Q.841
Q.843
✓
Q.845
Q.846
Q.847
Q.848
Q.849
Q.850
33°C
B.
Glycerol
C.
A and B
D.
Ace c acid
A.
monosaccharides
B.
oligosaccharides
C.
polysaccharides
D.
disaccharides
B.
Hardy-Weinberg
D.
Sanger
The sequence of amino acid was fist determined by Edward Jenner Vernon Ingram
✓
An amino acid has a least one amino (-NH?) and one carboxyl (COOH) group bonded to a carbon atom called
✓
A.
Alpha carbon
B.
Beta carbon
C.
Secondary carbon
D.
Ter ary carbon
B.
C ___H Bond
D.
O ___N
Lipids have higher amount of A.
O ___H Bond
C.
C ___O Bond
✓
Tetroses are found in A.
Animals
B.
Plants
C.
Bacteria
D.
Fungi
B.
the forma on of pep de bonds between amino acids the folding of the coiled polypep de chain
The secondary order of protein structure is A. the sequence of amino acids in the polypep de chain ✓ C. the coiling of the polypep de chain
D.
The 1st evidence that the DNA is the gene c material came from B. A. The fact that chromosomes are made of DNA
✓ Q.844
D.
The most complex and most abundant carbohydrates in nature are:
✓ Q.842
37°C
Alcohol
C.
Q.840
B.
A.
A. Q.839
✓
Acyglycerols are composed of fa y acids and
✓ Q.837
Page 52
C.
The studies on the transforma on of bacterial cell
CH2O is: A.
Protein
C.
Lipids
D.
✓
The knowledge that DNA is present in the nucleus That the DNA does not have the power to duplicate itself
B.
Carbohydrate
D.
All
Trioses, tetroses, pentoses, hexoses, heptoses, octopuses, are classes of:
✓
A.
Monosaccharides
B.
Oligosaccharides
C.
polysaccharides
D.
None
If the amount of enzyme is increased by two fold the reac on rate is: A.
Same
C.
Four fold
✓
B.
Doubled
D.
Three fold
Starch is found in A.
Grains
C.
Tubers
An enzyme with its cofactor removed is called A.
Coenzyme
C.
Holoenzyme
The op mum pH of pancrea c lipase is: A.
7.00
C.
5.00
B.
Seeds
✓
D.
All
✓
B.
Apoenzyme
D.
All of these
B.
9.00
D.
3.00
✓
There are _________ kinds of nucleo des which are presnet in DNA
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Q.852
Q.853
Q.854
A.
12
B.
8
C.
4
D.
2
Amino acid which gets a ached with tRNA, uses its __________ group A.
Amino
C.
R-
A nucleoside and a phosphoric acid combine to form a: A.
Nucleoid
C.
Nucleo de
✓
Q.857
Q.858
Q.861
Q.862
Q.863
Q.864
Q.865
Both R- and amino
B.
Nucleopep de
D.
Nucleo Phosphide
0.8
B.
1.8
C.
0.6
D.
0.08
✓
White Blue
✓
B.
Purple
D.
Black
A.
60% of their total dry weight
B.
50% of their total dry weight
C.
55% of their total dry weight
D.
45% of their total dry weight
B.
10
D.
3.6
Number of base pairs in each turn of DNA helix are A.
24
C.
34
Which bond provides stability to complex carbohydrates A.
N-C
C.
P-O-C
✓ ✓
B.
C-O-C
D.
C-O-N
No-detachable co-factor is A.
Coenzyme
B.
Co-factor
C.
Prosthe c group
D.
Ac vator
The oligosaccharides yielding 3 monosaccharides known as: A.
Bisaccharides
B.
Disaccharides
C.
Trisaccharides
D.
Tetrasaccharides
B.
Capsid
D.
Prion
B.
A ached to membrane system
D.
A ached to Nuclear membrane
The protein coat that encloses the viral genome is called A.
Capsomere
C.
Virion
Most of the enzymes are A.
Floa ng in cytosol
C.
A ached to cell membrane only
✓ ✓
The ac vated enzyme consis ng of polypep de chain and a cofactor is called
✓
A.
Holoenzyme
B.
Apoenzyme
C.
Substrate
D.
Coenzyme
B.
Dinucleo de
✓
D.
Purine
B.
25 types
✓
D.
170 types
B.
4.6 amino acids
D.
6.3 amino acids
B.
Solu on
D.
Metabolism
Adenine and guanine are double ringed bases called A.
Pyrimidines
C.
Nucleoside
Most of the proteins are made of amino acids of: A.
20 types
C.
30 types
In each turn of the helix, the ∞ - helix has: A. C.
Q.866
D.
The concentra on of proteins in animal body is
✓ Q.860
Carboxylic
Homogene sic acid is oxidized rapidly when exposed to air, turning the urine
✓ Q.859
✓
B.
A.
C.
Q.856
✓
Specific gravity of fats and oils is
A. Q.855
Page 53
3.6 amino acids 5.6 amino acids
✓
On hydrolysis, oligosaccharides form a ring structure when in A.
Acid
C.
Base
✓
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Q.868
Which of the following statements about he strands of a newly replicated DNA molecule is correct? A. both strands are made up of newly assembled ✓ B. one strand is new and the other is part of the nucleo des original molecule C. both strands contain some nucleo des form D. the sugar-phosohate chains are conserved the original molecule and new bases are inserted between them Irreversible inhibitors
✓ Q.869
Q.871
Q.872
Q.873
Q.875
Q.877
Q.879
Q.880
Q.881
Q.882
Q.883
Destroy the globular structure
C.
Both a & b
D.
Losely a ach
A.
Apoenzyme
B.
Coenzyme
C.
Holoenzyme
D.
Ac vator
B.
hexose units
D.
sucrose unts
A.
cellulose units
C.
pentose units
✓
A.
Ribosomes
C.
Glyoxysomes
✓
B.
Peroxisomes
D.
Chromosomes
Phospha dylcholine is one of the common:
✓
A.
Phospholipids
B.
Sphingolipids
C.
Glycolipids
D.
Terpenoids
Amino acids are arranged in proper sequence during protein systhesis according to the instruc ons transcribed on: A.
Transfer RNA
B.
Ribosomal RNA
C.
Messenger RNA
D.
DNA
Some proteins called an bodies, defend the body against:
✓
A.
Predators
B.
Pathogens
C.
Air raiders
D.
Land invaders
Louis Pasteur is not famous for A.
Pasteuriza on
B.
Development of vaccines
C.
Germ theory of disease
D.
Confirma on of existence of microbes
B.
85%
D.
20%
Human Brain cells contains water A.
65%
C.
89%
✓
Nucleic acids were found in
✓ Q.878
B.
The amount of DNA is fixed for a par cular species, as it depends upon the number of:
✓ Q.876
Occupy the ac ve site
Most polysaccharides are composed of chains of condensed
✓ Q.874
A.
Conjugate enzyme having both protein par and non-protein part is called:
✓ Q.870
Page 54
A.
1850
B.
1860
C.
1870
D.
1890
B.
Aspar c acid
D.
Tubulin
Which of the following is not an amino acid? A.
Arginine
C.
Methionine
✓
Which branch of biology deals with the study of chemical compounds in living organisms A.
Biotechnology
C.
Microbiology
✓
B.
Molecular biology
D.
Biochemistry
Phospha dylcholine is one of the common
✓
A.
Phospholipids
B.
Sphinholipids
C.
Glycolipids
D.
Terpenoids
Globular proteins are soluble in aqueous solu ons of A.
Salt
C.
Acids & bases
Glycylalanine is A.
A polypep de
C.
An amino acid
B.
Alcohols
✓
D.
All of these
✓
B.
A dipep de
D.
A tripe de
Evapora on only two ml out of one litre of water, lowers the temperature of the remaining 998 ml by:
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Created By: Armghan Saeed
Q.884
Q.885
Q.886
Q.887
Q.889
Q.890
Q.891
Q.893
Q.894
Q.896
Q.897
Q.898
Q.899
3°C
B.
2°C
D.
4°C
A.
H
C.
OH
B.
CH2
D.
CH3
B.
reproduc ve system
✓
D.
nervous system
B.
ribosomes
✓
D.
Microsomes
✓
A.
diges ve system
C.
endocrine system
mRNA takes the gene c message form the nucleus to the: A.
peroxisomes
C.
glyoxisomes
On Hydrolysis a disaccharide sugar like sucrose yields two molecules of A.
Glucose and maltose
B.
Maltose and fructose
C.
Glucose and fructose
D.
Glucose and lactose
Quaternary structure is found in
✓
A.
Hemoglobin
B.
Insulin
C.
Kera n
D.
Fibrin
B.
4.50
D.
2.40
B.
Viruses
D.
Ticks and mites
What is op mum PH of sucrose? A.
9.70
C.
5.50
Unseen fiterable agents of disease are A.
Bacteria
C.
Vectors
✓ ✓
What expect about the number of hybirds a er 3 replica ons of heavy duplex in 14N medium during density gradient experiment? A.
2
B.
3
C.
4
D.
5
In process of replica on, which of following has suppor ng role A.
Polymerase I
C.
Polymerase III
✓
B.
Polymerase II
D.
DNA ligase
The ac ve site of enzyme is made up of two regions
✓
A.
Cataly c site and binding site
B.
Bonding site and prosthe c group site
C.
Reac on site and binding site
D.
Reac on site and cataly c site
Spider's web has:
✓ Q.895
C.
✓
GABA is virtually unique to the:
✓ Q.892
1°C
As amino acids glycine has Hydrogen atom in place of R what is R in alamine
✓ Q.888
A.
Page 55
A.
Kera n
B.
Myosin
C.
Silk
D.
Collagen
B.
AUG
D.
GCA
In protein synthesis the codon used as a start signal is A.
UAA
C.
AGU
✓
The first Scien st who determined the sequence of amino acids in a protein molecule was
✓
A.
F . Sanger
B.
F . Miescher
C.
Watson and Crick
D.
Erwin Chargaff
Op mum pH of pancrea c amylase is A.
9.70
C.
4.50
✓
B.
9.00
D.
2.00
Iden fy one of the following formula of ace c acid
✓
A.
HOOCCH3
B.
HOOCCH2
C.
CHOOCCH2
D.
CH3COOH
B.
secondary structure
The sequence of amino acids in a polypep de chain is:
✓
A.
primary structure
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Q.901
A.
Buffer
C.
Lubricant
Q.905
Q.907
Q.908
Q.912
B.
3-1
5-1
D.
4-2
B.
Phosphoric acid only
D.
All the above
B.
four oxygen molecules a ached to each haem group four polypep de chains each with one a ached haem group
Q.914
Q.915
Sugar only Nitrogenous base only
A.
C12H22O11
C.
C22H12O11
✓
✓
D.
✓
B.
C10H20O12
D.
C11H22O10
A.
Deoxyribonucleo des
B.
Nucleosides
C.
Oxyribonucleo des
D.
Ribonucleo des
✓
B. D.
they are amphoteric they are a major component of cell surface membranes (plasma membranes)
✓
B.
8 oC
D.
-4oC
A.
they are non-polar
C.
they form colloidal solu ons
The mel ng point of butyric acid: A.
-8oC
C.
-5oC
Lipids are insoluble in: A.
Alcohol
B.
Chloroform
C.
Water
D.
Benzene
RNA primers are constructed repeatedly in which strand A.
Leading
B.
Lagging
C.
Both
D.
None of these
It is site where pep de bond will form A.
A site
B.
P site
C.
E site
D.
Ac ve site
The general formula of carbohydrates is
✓
A.
Cx(H2O)y
B.
Cx (HO)y
C.
Cx (H2O2)y
D.
Cx (CH2O)y
Of 170 amino acids, the cons tuents of proteins are about:
✓ Q.913
Shock absorber
4-1
Why do proteins have a buffering effect in cells?
✓ Q.911
D.
RNA is a polymer of:
✓ Q.910
Temperature stabilizer
C.
What does a hemoglobin molecules contain? A. four iron 2+) ions a ached to each haem (Fe group C. four polypep de chains each with four a ached haem groups Molecular formula of sucrose (cane sugar) is:
✓ Q.909
B.
Hydrolysis of nuclei acid yields
✓ Q.906
quaternary structure
A.
C.
Q.904
✓
D.
Choline contains how many carbon and nitrogen atoms
A. Q.903
ter ary structure
Due to high specific heat capacity water acts as
✓ Q.902
Page 56
A.
15
B.
20
C.
22
D.
25
Which one of the following is a characteris c of saturated fats which dis nguishes them from unsaturated fats? B. they contain a high propor onal by mass of A. they do not contain glycerol oxygen D. they have no double bonds between their ✓ C. they contain only unbranched fa y acids carbon atoms The sugar with aldehyde group is called:
✓
A.
aldo-sugar
B.
hydro sugar
C.
both a & b
D.
none
B.
Holoenzyme
An enzyme with its coenzyme or prosthe c group removed
✓
A.
Apoenzyme
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Created By: Armghan Saeed C. Q.916
Q.917
Q.918
Q.919
Q.920
Q.921
Q.922
Q.923
Q.924
Q.925
✓
Q.928
Q.929
Q.931
Q.932
Biocatalyst
A.
Satura on
B.
Denatura on
C.
Compe
D.
Inhibi on
on
A.
Bulk of amino acids
C.
Non protein part
How many chemical compounds make a nucleo de? A.
Two
C.
Four
✓
B.
Few amino acids
D.
All the amino acids
B.
Three
D.
Five
✓
Co on is the pure form of:
✓
A.
starch
B.
dextrin
C.
cellulose
D.
pec n
The glycoproteins and glycolupids play an important role in extracellular matrix of A.
Animals
C.
Plants
✓
B.
Bacteria
D.
All
Acylglycerols are composed of:
✓
A.
Glycerol & fa y acids
B.
Glycerol & amino acids
C.
Glycerol & butyric acid
D.
Glycerol & nucleic acids
B.
Glycosidic bond
D.
Hydrogen bond
B.
C______C
D.
C______O
The covalent bond between two monosaccharides is called: A.
Pep de bond
C.
Ester bond
✓
Glycosidic linkage is due to bonding between A.
C______H
C.
H______N
✓
What is DNA mel ng
✓
A.
Separa on of polynucleo de
B.
Coversion into liquid
C.
Break down of polynucleonitde
D.
All of these
Insulin has 51 amino acids, which are arranged in two polypep de chains: A.
20 & 31 amino acids
B.
11 & 40 amino acids
C.
21 & 30 amino acids
D.
25 & 26 amino acids
Enzymes, vitamins, hormones have one thing in common: A.
All are synthesized in organisms
B.
All are proteins
C.
All help in regula ng the metabolism
D.
All enhance oxida ve metabolism
B.
Carbon Dioxide
D.
Carbohydrate
Hydrated carbon A.
Lipids
C.
Protein
✓
During precursor ac va on which of these affects the enzyme? A.
Product
C.
Prosthe c group
✓
B.
Substrate
D.
Inhinitors
DNA generally acts as template for the synthesis of
✓ Q.930
D.
Ac ve site of an enzyme consists of
✓ Q.927
Ac vator
What if you add more substrate to already occuring enzyma c reac on and it has no effect on the rate of reac on?
✓ Q.926
Page 57
A.
Only protein
B.
Only RNA
C.
Both DNA and RNA
D.
Only RNA
Centromere is located in the middle of chroma d in which kind of chromosome?
✓
A.
Metacentric
B.
Submetacentric
C.
Acrocentric
D.
Telocentric
B.
Ac ve site may be molded into precise shape
D.
None of these
What is Koshland's model? A.
Ac ve site is rigid
C.
Ac ve site is a moveable posi on
✓
The shape of Acrocentric chromosome during anaphase is
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A.
V
B.
L
C.
J
D.
I
Macromolecules are:
✓
A.
Nucleic acids and polysaccharides
B.
Nucleic acid and monosaccharides
C.
Amino acids and polysaccharides
D.
Amino acids and lipids
The reac on rate is increased at high concentra on of substrate because: A.
Substrate maie the ac ve site in ac ve
C.
All enzymes are used in reac on
✓
B.
Substrate destroy the enzyme
D.
Substrate occupies all the ac ve site
What is the speed of replica on catalyzed by prokaryo c polymerase III
✓
A.
1000 nucleo des / s
B.
2000 nucleo des / s
C.
3000 nucleo des / s
D.
None
A eukaryo c ribosome contains how many percent of protein
✓
A.
50%
B.
50-60%
C.
60-70%
D.
20-30%
Great contribu on to the understanding of genes and chromosomes was made by
✓ Q.938
Page 58
A.
Watson and Crick
B.
McCarty
C.
T.H Morgan
D.
Mendel
______ of only two ml out of one litre of water lowers the temperature of the remaining 998 ml by 1°C A.
Ioniza on
C.
Both A and B
✓
B.
Evapora on
D.
None
B.
20oC
D.
Room Temperature
Most of the plant fats are liquid at: A.
10oC
C.
30oC
✓
The nucleo des are united with one another through phosphodiester linkages in a specific sequence to form long chains known as: A.
Polynucleo de chains
C.
Polypep de chains
✓
B.
Nucleo de chains
D.
Pep de chains
Adenine shows how many oxygen atoms
✓
A.
One
B.
Two
C.
Three
D.
No one
Pentose sugar in a ribonucleo de is a
✓
A.
Ribose
B.
Deoxyribose
C.
Sucrose
D.
Glucose
Energy is released by the breakdown of complex molecules into simpler ones,such rela ons are called:
✓
A.
catabolic reac ons
B.
metabolic reac ons
C.
anabolic reac on
D.
endothermic reac ons
When a carbon atom combines with four atoms or radicals, the four bounds are:
✓
A.
triangular
B.
tetrahedron
C.
pentahedron
D.
octahedron
B.
their hydrogen bonding
✓
D.
their surface configura on
B.
Fungal cells
✓
D.
Pus cells
The specific of enzymes is due to A.
their high molecular weight
C.
their pH sensi vity
Nucleic acids was discovered from the nuclei of A.
Red blood cells
C.
Bacterial cells
Enzymes, an bodies, hormones and haemoglobin are examples of: A.
Ovullar proteins
C.
Fibrous proteins
✓
B.
Globular proteins
D.
Primary proteins
B.
O
Organic compound : A.
H
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DNA
B.
mRNA
C.
tRNA
D.
rRNA
A.
Anatomy and histology
C.
Physiology and Cytology
✓
B.
Anatomy and Physiology
D.
Cytology and Anatomy
A.
None compe
C.
Irreversible
ve
✓
B.
Compe
ve
D.
Reversible
A.
Polysaccharides
B.
Oligosaccharides
C.
Monosaccharides
D.
Disaccharides
Carbohydrates are also called as A.
Saccharides
C.
Sugars
✓
B.
Sackcharon
D.
All
It is not fibrous
✓
A.
Haemoglobin
B.
Mycosin
C.
Silk
D.
Fibrin
An amino acid that cannot be synthesized de novo, and therefore must be supplied in the diet:
✓
A.
Essen al amino acid
B.
Non-essen al amino acid
C.
Dietary amino acid
D.
Supplementary amino acid
The branch of biology, which deals with the study of chemical components and the chemical processes in living organisms is: A.
biochemistry
C.
biometry
✓
B.
biotechnology
D.
bioprocessing
Which forms a nucleside
✓
A.
Deoxyribose + nitrogenous base
B.
C.
Ribose + phosphoric acid
D.
Deoxyribose + nitrogenous base + phosphoric acid Ribose + nitrogenous base + phosphoric acid
All carbon atoms in a monosaccharide except one have a: A.
hydroxyl group
C.
keto group
✓
B.
aldo groups
D.
carboxy group
Glycerol is ___________ carbon alcohol
✓
A.
3
B.
4
C.
5
D.
6
At room temperature, palmi c acid is: A.
gas
B.
liquid
C.
solid
D.
none
DNA completes a helical turn every _________ nm and has _____ base pairs A.
0.34, 12
B.
2, 12
C.
3.4, 10
D.
3.4, 12
Carotenoids are
✓ Q.963
A.
Carbohydrates which are sweet in taste are:
✓ Q.962
C
The inhibitor of which kind can be neutralized by increasing substrate concentra on?
✓ Q.961
D.
A basic knowledge of Biochemistry is essen al fro understanding :
✓ Q.953
✓
N
Nucleic acids are in different forms in the nucleus of a cell. Which of the following forms of nucleic acids controls the synthesis of all these?
✓
Q.950
Page 59
A.
Carbohydrates
B.
Glycerides
C.
Lipids
D.
None of these
A sequence of amino acid may end is either an amino group (-NH2) or a carboxyl group (oCOOH). What is the theore cal number of chemically different dipep des that may be assembled from 20 different amino acids? A.
40
C.
160
✓
B.
80
D.
400
One of the common phospholipid is
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Serine
B.
Phospha dycholine
D.
Chlorine
A.
Inhibitor
B.
Accelerator
C.
Retarder
D.
Reducer
ve inhibitors may be selected by the binding sites, but
A.
Cataly c sites
B.
Accelera ng sites
C.
Inac ve sites
D.
Ac ve sites
The most common phospholipids
✓
A.
Phospha dic acid
B.
Lecithin
C.
Choline
D.
Isoprenoids
The newly synthesized DNA strand that moves towards replica on fork is
✓
A.
Leading strand
B.
Lagging strand
C.
Okazaki fragments
D.
Discon nuous strand
The types of amino acids which have been found to occur in cells and ssues are about:
✓ Q.970
C.
✓
Because of the structural similarity with the substrate, compe are not able to ac vate the:
✓
Q.967
Phospha dic acid
An------ is a chemical substance which can react (in place of substrate) with the enzyme but is not transformed into product (s) and thus blocks the ac ve site
✓
Q.966
A.
Page 60
A.
17
B.
107
C.
170
D.
71
B.
75-85 nucleo des
D.
60-90 nucleo des
Transfer RNA molecules have a chain length of: A.
55-60 nucleo des
C.
75-90 nucleo des
✓
Malonic acid combine with enzyme succinic acid dehydrogenase as a compe
✓
A.
fumaric acid
B.
folic acid
C.
succinic acid
D.
oxalic acid
ve:
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B.
Water blossome
Water flowers
D.
Water crust
A.
Tetracyclin
B.
Chloramphenicol
C.
Streptomycin
D.
Neomycin
B.
Gas vesicles
D.
Are immo le
A.
Flagella
C.
Gliding
✓
Leeuwenhoek used a simple microscope to describe bacteria and protozoa and called these small creatures as: A.
microanimals
C.
beastcules
✓
B.
animalcules
D.
micromonsters
The broken piece of filamentous bacteria (cyanobacteria) is called: A.
Trichome
C.
Heterocyst
✓
B.
Hormogonia
D.
Akinate
The fungal partner in mycorhizal associa on A.
Mushroom
B.
Black bread mold
C.
Morels
D.
Truffles
The five kingdom system of classifica on was proposed by: A.
Robert brown
B.
Undertaker
C.
Robert Whi eker
D.
Margulis and Schwartz
B.
Rotate them
D.
Break them
Lichens growing on rocks: A.
Plain them
C.
Join them
✓
Which algae incorporate calcium carbonate in their cell walls from the ocean:
✓
A.
Ref algae
B.
Green algae
C.
Brown algae
D.
Blue green algae
Viruses can be classified?
✓ Q.11
Water blooms
C.
Many filamentous cyanobacterium species move by
✓ Q.8
A.
...... can induce auditory nerve thus causing deafness.
✓ Q.7
Micro Biology
Many species of cyanobacteria form:
✓ Q.3
Page 1
A.
Morphology
B.
Nucleic acid
C.
Both of these
D.
Symmetry
In 1866 , Ernst Haeckel in order to accommodate Euglena like organisms and bacteria , proposed a Kingdom called:
✓
A.
Pro sta
B.
Plantae
C.
Monera
D.
Fungi
Which func ons of fungi do you believe to be most important:
✓
A.
Decomposi on
B.
Fungi as food
C.
Bioindicator
D.
Bioremedia on
Serum hepa
s is also known as
A.
Hepa
sA
C.
Hepa
sC
✓
B.
Hepa
D.
All of these
sB
B.
aids
Which of the following is not a viral disease? A.
small pox
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influenza
A.
Inges on
B.
Photosynthesis
C.
Absorp on
D.
Chemosynthesis
A.
Bacterial disease
C.
Herpes
✓
B.
Influenza
D.
None of these
Smuts are called so
✓
A.
Spores resembling soot
B.
Spore mass replaces grain kernel in wheat
C.
Us lago is the most common smut
D.
It causes loose smut of wheat
B.
Neurospora
D.
Both a & b
The fungus that has also been used for gene c research is: A.
Pink bread mold
C.
Rhizopus
✓
--------fungi, along with bacteria are the major decomposers of the biosphere. A.
Saprobic
B.
Saprophy c
C.
Both a and b
D.
Heterotrophic
The common name of Allium cepa is
✓
A.
Piyaz
B.
Bathu
C.
Amaltas
D.
Chana
Histoplasmosis is disease of
✓
A.
Lungs
B.
Heart
C.
Trachea
D.
Kidney
B.
Species Level
D.
Phylum Level
Large groups are divided into smaller groups un l the: A.
Class Level
C.
Order Level
✓
Which is blue green mold?
✓
A.
Penicillium
B.
Agaricus
C.
Fasarium
D.
Helminthosporium
Lysis occurs a er _________ minutes of ini al infec on by temperate phage
✓
A.
25
B.
40
C.
35
D.
None of these
Spores are _________ in fungi (mostly)
✓
A.
1n
B.
2n
C.
Both a & b
D.
Polyploid
The mutualis c associa on between certain fungi and roots of vascular plant is called
✓ Q.27
D.
First infec ous disease against which effec ve preven on was discovered
✓ Q.20
syphillis
In the classifica on system, the mode of nutri on related to fungi is:
✓ Q.16
C.
Page 2
A.
parasi sm
B.
lichens
C.
mycorrhizae
D.
budding
Dinoflagellates blooms frequently colour the water orange, red or brown and are known as: A.
Orange des
C.
Brown des
✓
B.
Red des
D.
All a, b, c
Various mildews and most rust species are:
✓
A.
Obligate parasite
B.
Faculta ve parasite
C.
Microaerophilic parasite
D.
Both a & c
Pilli are made up of a special protein called
✓
A.
Pillin
B.
Tubulin
C.
Flagellin
D.
Fibrinogen
B.
Phycocerythrin
D.
Carotene
Which of the following is red pigment: A.
XanthophylI
C.
Phycocyanin
✓
Brown alga:
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Fucus
D.
Both a & b
B.
Karyogamy
C.
Pseudogamy
D.
Cytogamy
Which eukaryote is mostly used by gene c engineers
✓
A.
Yeast
B.
Aspergillus
C.
Pencillium
D.
Slime mold
Which of the following is free living zooflagellates: A.
Trichonympha
B.
Trypanosoma
C.
Choanoflagellates
D.
Entamoeba
B.
Basidiocrap
D.
Ascocarp
Visible morel is an example of which? Ascus Mushroom
✓
Campylobacter is a:
✓
A.
Micraerophilic bacterium
B.
Aerobic bacterium
C.
Anaerobic bacterium
D.
Faculta ve bacterium
B.
Ceil membrane
D.
Basal body
Flagellum of bacteria arises from A.
Pilli
C.
Cell wall
✓
Fungi differ from plants in that
✓
A.
Contain chi n in their cell wall
B.
Exhibit nuclear mitosis
C.
Forms mycorrhizae
D.
Absorp ve heterotrophs
The sexual spores in basidiomycetes are produced on club-shaped
✓ Q.40
B.
Plasmogamy
C.
Q.37
Ulva
✓
A.
A. Q.36
Laminaria
The fusion of cytoplasm is called:
✓ Q.35
Page 3
A.
Asci
B.
Conidia
C.
Basidia
D.
Sporangia
Which one of the following has no cellular organiza on in spite of being livings A.
Bacteria
C.
Cyanobacteria
✓
B.
Viruses
D.
Algae
By _________ immuniza on had decreased the danger of small pox A.
1940s
C.
1960s
✓
B.
1950s
D.
1970s
Plasmodium, is the apicomplexan that causes:
✓
A.
Malaria
B.
Yellow fever
C.
Tuberculosis
D.
Dysentery
B.
Yeast
D.
Rhizopus
Which of the following is called black bread mold? A.
Pilobolus
C.
Mushrooms
✓
Mums and measles are caused by
✓
A.
Paramixovirsus
B.
Polio viruses
C.
TM viruses
D.
All of these
Q.45
Which of the following op on carries the exact chemical composi on of gram posi ve bacteria: A. Lipopolysaccharide - Pep doglycan - Teichoic B. Pep doglycan - Lipoproteins - Teichoic acid acid -Lipids Lipid C. Pep doglycan - Lipopolysaccharides - Teichoic ✓ D. Pep doglycan - Lipoteichoic acid - Teichoic acid - Lipid acid - Lipid
Q.46
A class is a group of related :
Q.47
✓
A.
Order
B.
Species
C.
Genera
D.
Family
How many percent of pep doglycan is present in gram nega ve wall A.
50%
✓
B.
10%
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D.
20 - 80%
A.
Muscles
B.
Oral Cavity
C.
Blood Vessels
✓
D.
Epithelial layers
Of the following which one is not the cons tuent of cell wall in eubacteria
✓
A.
Proteins
B.
Teichoic acid
C.
Lipopolysaccharides
D.
Pep doglycan
When the division is in three planes it will produce a:
✓
A.
sarcina arrangement
B.
bivalent arrangement
C.
tetrad arrangement
D.
helical arrangement
It is the 2nd major kind of hepa
✓
s
A.
B
B.
C
C.
D
D.
A
B.
ascomyco na
D.
deutromyco na
The largest group of fungi is A.
zygomyco na
C.
basidiomyco na
✓
Which is characteris c of capsule?
✓
A.
It is gummy
B.
It's ghtly held
C.
It is soluble shield
D.
Both a & b
A scien st that studies on fungus is a
✓
A.
Mycologist
B.
Algologist
C.
Microbiologist
D.
None of these
B.
Gene c engineers
D.
Cross breeders
B.
End plate
D.
Core
Yeasts were the first eukaryotes to be used by: A.
Civil engineers
C.
Bio-engineers
The end of the sheath posses A.
Collar
C.
Both a & b
✓ ✓
Yeasts, morels, truffles, powdery mildews,molds,etc reproduce sexually by forma on of A.
Ascopspores
C.
Conidia
✓
B.
Basidiospores
D.
Spores
The response of chemical signals by flagellated bacteria is known as
✓
A.
Chemonas c
B.
Chemotropism
C.
Chemotaxis
D.
None of these
Without fungi there would have been: A.
No life
B.
No diseases
C.
No nutrient cycling
D.
Bioremedia on
Zygospores are found is:
✓
A.
Zygomycota
B.
Ascomycota
C.
Basidiomycota
D.
Deuteromycota
Ascospores are produced by meiosis inside their characteris c sac like structures called:
✓ Q.62
8 - 11%
Vascular lesions appear on _______ during Herpes
✓ Q.60
Page 4
A.
Basidia
B.
Conidia
C.
Asci
D.
Sporangia
B.
Fungi
D.
bacteria
B.
Chicken pox
D.
Cow pox
Oomycotes are close rela ves of the A.
Algae
C.
Protozoa
✓
Phipps was inoculated with which first? A.
Small pox
C.
Pox
✓
Which protects the cell from osmo c lysis
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Cell membrane
B.
Cell wall
D.
Slime
A.
An bio cs
B.
Medicines
C.
Fungicides
D.
Herbicides
A.
Fruit
B.
Bread
C.
Both a & b
D.
Logs
Bacteria range in size from about 0.1 to ....um over a single dimension. A.
500
C.
700
✓
B.
600
D.
800
The number of species of ascomycota are:
✓
A.
60,000
B.
50,000
C.
40,000
D.
20,000
Cytoplasm of prokaryotes lacks
✓
A.
Cytoskeleton
B.
Ribosomes
C.
Mesosomes
D.
Storage granules
chi n in the walls of fungi is more resistant to:
✓
A.
Decay
B.
pH
C.
Temperature
D.
Moisture
Fungi store surplus food usually as lipid droplets or glycogen in the: A.
Spore
C.
Stolon
✓
B.
Mycelium
D.
Sporangiospore
Methods of preven on and treatment that have been introduced to control microbial diseases include: A.
Immuniza on
C.
Chemotherapy
✓
B.
An sepsis
D.
All a, b, c
Fungi are related to which of these groups according to DNA study? A.
Plants
C.
Slime molds
✓
B.
Animals
D.
Dis nct
Which of the following can be found in all viruses A.
RNA
B.
Single stranded DNA
C.
Protein
D.
All of these
All of the following fungi are pathogens except A.
Rusts
C.
Molds
✓
B.
Smuts
D.
Mushrooms
B.
Spirillum
D.
all a,b,c
Spirals come in the form: A.
Vibrio
C.
spirochete
✓
Which algae obtain their food either by inges ng living or dead organisms or by obsorbing nutrients from dead or decomposing organic ma er: A.
Flagellates
C.
Dinoflagellates
✓
B.
Zooflagellates
D.
Both a & b
The number of species of fungi are:
✓ Q.79
C.
✓
Penicillium sp.(blue, green molds), are wide spread saprotrophic species common on decaying:
✓ Q.75
Capsule
Bacterial growth can be controlled specifically by using
✓ Q.67
A.
Page 5
A.
80,000
B.
90,000
C.
100,000
D.
110,000
Some _________ occasionally reach the length of 500 micrometer
✓
A.
Spirochetes
B.
Streptococci
C.
Diplococci
D.
Cocci
B.
Streptobaccilli
Cluster of spherical bacteria is A.
Streptococci
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B.
Anaerobic
C.
Microaerophilic
D.
Faculta ve
Water regula on in freshwater ciliates is controlled by special organelles called: A.
Vacuoles
C.
Golgi Apparatus
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B.
Contrac le vacuoles
D.
Lysosomes
A.
House fly
C.
Dragon fly
A.
Aerobic bacterium
C.
Obligate bacterium
B.
Trichonympha
✓
D.
Trypanosoma
✓
B.
Tsetse fly
D.
All a, b, c
B.
Anaerobic bacterium
D.
Faculta ve bacterium
✓
When the division of cell is in two planes it will produce a: A.
sarcina arrangement
B.
bivalent arrangement
C.
tetrad arrangement
D.
helical arrangement
Tuberous underground frui ng bodies of fungi found with the help of trained dogs A.
Morels
B.
Mushrooms
C.
Truffles
D.
All these
B.
Conidia
D.
Bud
B.
Flagella
D.
All of these
Naked spore is called: A.
Spore
C.
Fragments
✓
Extremely thin hair like appendages of bacteria are known as A.
Cilia
C.
Fimbrae
Septate hyphae are divided by cross walls called: A.
Diaphragm
C.
Ridges
✓ ✓
B.
Septa
D.
Trabeculae
Reindeer moss is A.
Club moss
B.
Moss
C.
Lichen
D.
Fungi
The structure of the phage _________ is rela vely more complex A.
Tail core
C.
Genome
Which of the following is a viral disease? A.
tuberculosis
C.
sickle-cell anaemia
✓ ✓
B.
Head
D.
Tail
B.
measles
D.
cholera
Destruc on of all life forms is
✓ Q.95
Entamoeba
Spirochete is:
✓ Q.92
Plasmodium
Trypanosoma is transmi ed by the bite of infected:
✓ Q.88
✓
A human parasite causing African Sleeping sickness is:
✓ Q.87
Staphlobacilli
aerobic
C.
Q.85
D.
A.
A. Q.84
Staphylococci
Some bacteria require a low concentra on of oxygen for growth and are known as:
✓ Q.82
C.
Page 6
A.
Immuniza on
B.
Vaccina on
C.
Steriliza on
D.
Chemoherpeu sm
Chemosynthe c bacteria are
✓
A.
Autotrophic
B.
Heterotrophic
C.
Mutualis c
D.
Commensalis c
B.
Basidiomycetes
D.
Fungi imperfec
Rusts and smuts are caused by: A.
Ascomycetes
C.
Zygomycetes
✓
Classifica on of algae into phyla is largety based the composi on of:
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✓
pigment
A.
Ini a on
B.
Inspira on
C.
Induc on
D.
All of these
A.
Pyramidal
B.
Hexagonal prism
C.
Both a and b
D.
Helical
A.
monosaccharide
C.
oligosaccharide
✓
B.
polysaccharide
D.
disaccharide
A.
Provirus
B.
Phage
C.
Prophage
D.
None of these
A.
Penicillinase
B.
Dehydrogenase
C.
Kinase
D.
Pep dase
According to Whi akar's five-kingdom system of classifica on the bacteria and cyanobacteria are placed in
✓
A.
Monera
B.
Pro sta
C.
Plantae
D.
Animalia
The cell membrane invaginates into the cytoplasm forming a structure called: A.
Microsome
C.
Centrosome
✓
B.
Mesosome
D.
Metasome
B.
Murein
D.
Chi n
The cell wall of fungi contains A.
Cellulose
C.
Lignin
✓
Certain electromagne c radia ons bellows 300 nm are effec ve in killing of: A.
plants
B.
mammals
C.
birds
D.
microorganisms
E.
microorganisms
Asexual reproduc on is uncommon in which of the followings A.
Zygomycetes
B.
Asomycetes
C.
Basidiomycetes
D.
Deuteromycetes
B.
Agaricus
D.
Rhizopus
Gills can be seen in: A.
Spirogyra
C.
Bacteria
✓
A pink yeast grows on shower curtains and other moist surfaces is:
✓
A.
Rhodotorula
B.
Neurospora
C.
Saccharomyces
D.
Candida
Some bacteria are covered within loose,soluble shield of macromolecules called
✓
A.
Capsule
B.
Slime
C.
Cell wall
D.
Cell envelop
If a tu of flagella is present only at one pole of bacteria they are called A.
Monotrichous
C.
Amphitrichous
✓
B.
Lopotrichous
D.
Per trichous
Red rot is disease of
✓ Q.113
D.
Some staphylococci contain a plasmid which includes a gene for the enzyme.
✓ Q.108
Cell membrane
In temperate phase, the bacteriophage becomes a
✓ Q.107
B.
Bacteria produce capsule,which is made up of repea ng .... units, and of protein, or of both
✓ Q.102
cytoplasm
✓
Head of the T4 phage is
✓ Q.100
cell wall
If viral DNA gets detached from host chromosome, it is called
✓ Q.99
Page 7
A.
Potato
B.
Carrot
C.
Sugar cane
D.
Wheat
B.
Proteins only
Viruses are the par cles of which? A.
Nucleic acid only
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A.
Viral gene
C.
Viral Protein
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✓
D.
Virus
Gene
B.
Chromosome
C.
Nucleoid
D.
Nucleoprotein
A.
Penicillin
C.
Lovasta n
A.
Fungi & algae
C.
Fungi & vascular plants
Contrac le vacuole is present in: A.
Entamoeba
C.
Plasmodium
✓
B.
Cyclosporine
D.
Ergo ne
B.
Fungi & Photoautotrophs
✓
D.
Both a & b
✓
B.
Amoeba
D.
Trypanosoma
Which of the following is an infec ous protein par cle: A.
Capsid
B.
Prion
C.
Virion
D.
Retrovirus
B.
Loose smut of wheat
D.
Powdery mildew
Us lag tric ci is a: A.
Smut of wheat
C.
Rust of wheat
✓
Those bacteria which can exist in a variety of shapes A.
Faculta ve
B.
Polymorphic
C.
Pleomorphic
D.
All of these
Which of the work of Robert Koch help him to formulate Germ theory of disease: A. He isolated tobacco mosaic virus from the leaf B. He isolated a small protozoans in the blood of of tobacco plant sheep that had died of anthrax ✓ C. He isolated rod shaped bacteria with D. He worked on smallpox squarish end form the blood of sheep that had died of anthrax -------- reproduc on takes place by spores. conidia, fragmenta on, and budding.
✓
A.
Asexual
B.
Sexual
C.
Both a and b
D.
Non of them
Which of the following bacteria are much large than the average eukaryo c cell: A.
Acanthurus nigrofuscus
B.
Escherichia coli
C.
Epulopiscium fishelsoni
D.
Streptococci
Pro sta or protoc sta is one of the five Kingdom and includes: C.
Q.127
Viral enzyme
A.
A. Q.126
B.
Lichens are mutualis c symbio c associa ons between:
✓ Q.125
None of these
An bio cs obtained from a fungus and used in organ transplanta on for preven ng transplant rejec on is:
✓ Q.122
D.
The nucleus of bacteria is called:
✓ Q.120
Nucleic acid & Protein
A virion is a :
✓ Q.116
C.
Page 8
Protozoa Slime and water molds
Reindeer moss is: A.
Mycorrhiza
C.
Fungus
Pili are made up of special protein called: A.
Cilin
C.
Flagellin
B.
Algae
✓
D.
Al a, b, c
✓
B.
Lichen
D.
Alga
B.
Pilin
D.
Tubulin
✓
Rust spot appear mostly on which part of plant? A.
Root
C.
Flowers & kernels
✓
B.
Grain
D.
Stem and leaves
An asymmetrical division of mycellium occurs during is
✓
A.
Fragmenta on
B.
Budding
C.
Sporula on
D.
None of these
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Antone van leeuwenhoek called animalcules to the following.
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✓
Q.143
Q.144
Q.146
Bacteria and protozoa
✓
Fungi and algae
D.
Protozoa and algae
A.
Ringworm
C.
Histoplasmosis
✓
B.
Athlete's foot
D.
Both a & b
A.
Gram-nega ve type
B.
Gram-posi ve type
C.
Both a and b
D.
Absent
A.
One minute
B.
One hour
C.
One Day
D.
One month
B.
Cyst forma on
D.
All of these
Bacteria reporduce asexully by mean of: A.
Endospore forma on
C.
Fission
✓
...... are the procedures to eliminate or reduce the possibility of infec on. A.
An sep cs
C.
An bio cs
✓
B.
An sepsis
D.
An dote
Which of the following is a rust: A.
Us lago
B.
Aspergillus
C.
Puccinia
D.
None of these
B.
A enuated
D.
All of these
B.
Conidia
D.
Binary fission
Which culture of bacteria is called vaccine? A.
Weak
C.
Dead
✓
Both ascomycetes and deuteromycetes reproduce asexually by A.
Zygospores
C.
Budding
✓
The medicine which inhibits the reproduc ve capaci es of micro-organisms has which effect? A.
Microbicidal
C.
An bio c
✓
B.
Microbista c
D.
Disinfectant
In ascomycetes asci develop inside macroscopic frui ng bodies, the A.
Conidia
C.
Mushrooms
✓
B.
Ascocarps
D.
Morels
Fungus-like pro sts have bodies formed of threadlike sturctures called: A.
Fibres
B.
Yarns
C.
Hyphae
D.
Twines
The largest and most diverse group of photosynthe c bacteria is A.
Green algae
C.
Purple sulphur bacteria
The smallest bacteria are some members of the genus: A.
Microcys s
C.
Closteridium
✓ ✓
B.
Blue green algae
D.
Purple non- sulphur bacteria
B.
Mycoplasma
D.
Pseudomonas
Which is derived from host cell
✓ Q.145
C.
B.
A single mycelium may produce up to a kilometer of new hyphae in only:
✓ Q.142
bacteria and fungi
The cell wall in cyanobacteria is
✓ Q.137
A.
Superficial fungal infec ons caused by certain imperfect fungi are:
✓ Q.134
Page 9
A.
Nucleic acid
B.
Capsid
C.
Envelope
D.
All of these
B.
Oral cavity
D.
Intes ne
Entamoeba histoly ca is found in: A.
Rectum
C.
Stomach
✓
Chemotherapeu c agents and an bio cs work with natural defence and stop the growth of bacteria and other:
✓
A.
Microbes
B.
Birds
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✓
Q.156
✓
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All a, b, c
A.
Sporing
B.
Conidia on
C.
Budding
D.
Fragmenta on
A.
Oxygen
B.
Carbon dioxide
C.
Nitrogen
D.
Chlorine
A.
Cilia
B.
Cirri
C.
Flagella
D.
Mitochondria
A.
Mul cellular
B.
Mo le
C.
Either unicellular or mul cellular
D.
have sexual reproduc on
A.
Diploid
B.
Haploid
C.
Triploid
D.
Polyploid
The simultaneous burs ng of mi/lions of which type of cells causes the symptoms of malaria A.
White blood cells
C.
Platelets
✓
B.
Red blood cells
D.
All of these
Bacteria bearing flagella all over the surface are: A.
Atrichous
B.
Monotrichous
C.
Peritrichous
D.
Cephalotrichous
The vast limestone deposits is believed to be created by A.
Zooflagellates
C.
Apicomplexans
✓
B.
Foraminifera's
D.
Ciliates
The cocci arranges in pairs is generally termed as A.
Treptococci
B.
Diplococci
C.
Tetrad
D.
None of these
The accessory pigment used by cyanobacteria in photosynthesis is A.
Chlorophylis
B.
Carotenoids
C.
Phycobilins
D.
All these
15-50% of world's fruit is lost each year due to:
✓ Q.159
D.
Zygospore is
✓ Q.158
Carotenoids
Chlorophyll b
In the five kingdom system of classifica on developed by Robert Whi aker, member of the kingdom Plantae are autotrophic, eukaryo c ,and:
✓ Q.157
C.
B.
✓
Cocci bacteria very rarely have:
✓ Q.155
Chlorophyll a
Algae
During photosynthesis photosynthe c bacteria liberate sulphur instead of:
✓
Q.152
A.
D.
By which of the following mechanism unicellular yeast reproduce?
✓ Q.151
Arthropods
Green algae are photosynthe c having in the chloroplasts:
✓ Q.149
Page 10
A.
American a ack
B.
Algal a ack
C.
Fungal a ack
D.
Bacterial a ack
Small pox virus is known to have occurred as epidemic in A.
Japan
C.
Europe
✓
B.
Russia
D.
China
B.
Which op on best describes the cysts: A.
They are dormant and not heat resistant
C.
They develop during differen a on of vegeta ve cells which can germinate under suitable condi on
African sleeping sickness is caused by: A.
Choanoflagellates
C.
Plasmodium
✓
D.
They are thick walled and desicca on resistant forms All of the above op ons
✓
B.
Trypanosoma
D.
Trichonympha
Of the following which one is not characteris cs of mesosomes A.
They contain respiratory enzymes
✓
B.
They are involved in gene expression
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✓
Q.178
Potassium permanganate
B.
Gamma rays
D.
Formaldehyde
A.
smut fungi
C.
Bracket fungi
✓
B.
Spi ng fungi
D.
Rust fungi
A.
Plasmid
B.
Mesosome
C.
Nucleoid
D.
Nucleoli
A.
Water
B.
Insects
C.
Wind
D.
Birds
During photosynthesis photosynthe c bacteria use hydrogen sulphide instead of water as: A.
Carbon source
B.
Nitrogen source
C.
Hydrogen source
D.
sulphur source
Heterotrophic bacteria are divided into: A.
Saprophytes
C.
Phototrophs
✓
B.
Parasites
D.
Both a & b
The bacteria without flagella are called
✓
A.
Atrichous
B.
Lopotrichous
C.
Peritrichous
D.
Monotrichous
Most mul cellular red algae a ach to rocks or other substances by a basal: A.
Stalk
C.
S ck
✓
B.
Clutch
D.
Holdfast
During conjuga on two individuals come together and exchange:
✓
A.
Gene c material
B.
Food
C.
Water
D.
Minerals
A fungai hypha or cell having two nuclei of different gene c types is A.
Coenocy c
B.
Homokaryo c
C.
Dikaryo c
D.
Diploid
B.
Bacilli
D.
Spirilla
The rod-shaped bacteria are called A.
Cocci
C.
Vibriods
✓
All fungai nuclei are
✓
A.
Haploid
B.
Diploid
C.
Polypoid
D.
Euploid
B. D.
It can take place without CO2 It can take place without photosynthe c pigments
Bacterial photosynthesis is different because: A.
It can take place without light
C.
It can take place without water
Christain Gram developed the technique of:
✓ Q.177
C.
✓
Spores (teliospores) of Us lago tri ci are carried by:
✓ Q.176
Halogens
They are involved in the forma on of lamellae
Double stranded circular DNA molecule present in bacterial cell in addi on to chromosomes are called
✓ Q.173
A.
D.
Puccinia species are most common:
✓ Q.168
They are in DNA replica on
What are in general used for steriliza on process
✓ Q.167
Page 11
A.
DNA staining
B.
Feulgen reac on
C.
Gram staining
D.
RNA staining
Comylobacter is an example of which of the following bacteria
✓
A.
Microacrophilic
B.
Aerobic facul ve
C.
Anaerobic
D.
All these
Apicomplexans lack specific structure for locomo on but move by: A. C.
Contrac ng Bending
✓
B.
Gliding
D.
Flexing
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Chemotherapeu c chemical substances which are used in treatment of infec ous diseases
Q.184
Q.185
Q.187
Q.188
Vaccines
C.
An sep cs
✓
B.
An bio cs
D.
Disinfectants
A.
Spores
C.
Endospores
✓
B.
Exospores
D.
Cysts
Which fungi have extensive enzymes
✓
A.
Saprophyte
B.
Symbio c
C.
Parasite
D.
Predatory
Oscillatoria and few other cyanobacteria can be used for: A.
Bioremedia on
B.
Gene c experiments
C.
Pollu on indica on
D.
Nitrogen fixa on
One of the following very rarely has flagella
✓
A.
bacilli
B.
cocci
C.
spirilla
D.
vibrios
The bacteria that are able to grow in the presence of oxygen are called A.
Anerobic bacteria
C.
Faculta ve bacteria
✓
B.
Aerobic bacteria
D.
Chemosynthe c bacteria
A dutch Scien st "Antone Van Leeuwenhoek" was the first to report the microbes such as:
✓ Q.186
A.
Thick-walled dormant bodies formed during differen a on of vegeta ve cells that resist desicca on and can germinate under suitable condi ons are called
✓ Q.183
Page 12
A.
Bacteria
B.
Protozoa
C.
Both a & b
D.
None
Pro sts having both the characters of plants and animals are:
✓
A.
Euglena
B.
Slime moulds
C.
Both a and b
D.
None of these
B.
Hydrolysis
D.
None of these
Lysozyme damages the bacterial call wall by A.
Oxida on
C.
Reduc on
✓
True pili are present on:
✓
A.
Gram nega ve bacteria
B.
Gram posi ve bacteria
C.
Both a & b
D.
None
Q.189
Which of the following reasons seems to be most reasonable for not placing pro sts in other kingdoms" A. None of them are unicellular or have simple B. Most of them are unicellular or have simple mul cellular body mul cellular body ✓ C. They are ancestor of all other kingdoms D. They do not produce blastula and embryo
Q.190
Which is absent in fungi?
Q.191
✓
Q.194
B.
Hyphae
Glycogen
D.
Chi n
B.
They have spherical or elongated bodies
C.
They have single central nucleus
D.
They have pseudopodia
A thin, flexible spiral-shaped bacterium is called a
✓ Q.193
Chlorophyll
C.
Which of the following characters is not zoofiagellates: A. These pro sts are mostly unicellular. A few organisms are colonial
✓ Q.192
A.
A.
Vibrio
B.
Spirochete
C.
Spirillum
D.
Coccus
B.
Glycoproteins
✓
D.
All a, b, c
✓
B.
Club fungi
D.
Morels
The cell walls of archaeo bacteria are composed of: A.
Proteins
C.
Polysaccharides
These are among the most familliar fungi A.
Sac fungi
C.
Spi ng fungi
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Bacteria prepare food from dead organic ma er is known as
Q.200
Q.201
Q.202
Q.203
Q.205
Q.206
Heterotrophic
C.
Both of these
A.
Ammonia
C.
Sulphur
A.
Monomial
C.
Trinomial
Q.209
Q.210
Q.211
Saprophy c
D.
Parasi c
B.
Nitrate
✓
D.
All a, b, c
✓
B.
Binomial
D.
Naming and classifica on
A.
Charles Chamberland
B.
Ernst Hackle
C.
Herbert Copeland
D.
John Hogg
Rhizopus is belonged to which of the following groups:
✓
A.
Zygomycota
B.
Ascomycota
C.
Basidiomycota
D.
Deuteromycota
The site of respiratory ac vity in bacteria is:
✓
A.
Mesosome
B.
Episome
C.
Ribosome
D.
Microsome
In general appearance which phages are Icosahedral
✓
A.
Cubical
B.
Helical
C.
Herpes virus
D.
Spherical
Rhizoids are present in fungi:
✓
A.
Saprotrophs
B.
Parasites
C.
Predators
D.
Mutualis c
Mode of nutri on in pro sts is: A.
Photosynthe c
B.
Heterotrophic
C.
Both photosynthe c and heterotrophic
D.
Inges ve
The common means of reproduc on in fungi
✓
A.
Spores
B.
Conidia
C.
Budding
D.
All these
The cell membrane of bacteria is different from that of eukaryo c, in lacking
✓
A.
Sterols
B.
Fats
C.
Lipids
D.
None of these
Because of fermen ng ability, one of the following is used in produc on of bread and liquor. Which one is it? C.
Q.208
B.
Who 1938, elevated the prokaryotes to kindom status, thus separa ng them form pro sta:
A. Q.207
✓
Carolus Linnaeus developed the system of nomenciature which is called:
✓ Q.204
A.
Chemosynthe c bacteria oxidize inorganic compounds like:
✓ Q.199
Page 13
penicillin mushroom
✓
B.
toadstools
D.
yeast
B.
Gena recombina on
D.
Flagella
Blue green algae don't contain: A.
Nucleoid
C.
Chlorophyll
✓
Disinfectants inhibit the growth of vegeta ve cell and are used on: A.
living materials
C.
both a & b
✓
B.
nonliving materials
D.
none
Of the following which one is Retrovirus?
✓
A.
HIV
B.
Influenza
C.
Mumps
D.
All of these
B.
Basidiomycota
D.
All these
Karyogamy does not take immediately a er fusion A.
Zygomycota
C.
Deuteromycota
✓
Which part of fungus growing through substrate is metabolically ac ve? A.
Young parts
B.
Only gametangia
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Q.220
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Biphyle c lineage
C.
Polyphyle c lineage
D.
None
A.
Amanita
C.
Aspergillus
✓
B.
Penicillium
D.
Arthrobotrys
A.
Carbon
C.
Hydrogen
✓
B.
Nitrogen
D.
Oxygen
A.
Pea
C.
Tomato
✓
B.
Soybean
D.
Potato
A.
Lysosome
B.
Lysozime
C.
Lysozyme
D.
Ribozyme
B.
Dis nct or coenocy c filament
D.
All of the above
A.
Unicellular
C.
Mul cellular intricately branched
✓
Green sulfur bacteria and purple non-sulfur bacteria are examples of which bacteria A.
Chemosynthe c
B.
Parasi c
C.
Photo synthe c
D.
Saprophy c
B.
Filaments
D.
Hormogones
Chain of cells forming filaments in cyanobacteria is called A.
Trichome
C.
Heterocyst
✓
When division of cell occurs in two planes in a coccus A.
Streptococci
B.
Sarcina
C.
Tetrad
D.
Staphylococcus
Which is the brown alga having blades, s pes and holdfast: A.
Acetabularia
B.
Chondrus
C.
Laminaria
D.
Cera um
B.
Capsule
D.
Cell membrane
S cky characters of bacteria is due to A.
Pilli
C.
Cell wall
✓
The cytoplasm of prokaryo c cell lacks membrane bound organelles and:
✓
A.
Cytoskeleton
B.
Ribosomes
C.
Lipid granules
D.
Enzymes
Reserve food in fungi is stored in the form of: A.
Alcohol
B.
Starch
C.
Glycogen
D.
Oil bodies
Which of the following algae is used as food source: A.
Volvox
B.
Spirogyra
C.
Ulva
D.
Chlorella
B.
Cereals
D.
Conifers
Armillaria is pathogen of A.
Angiosperms
C.
Maize
✓
Which bacteria only rarely have flagella
✓ Q.228
B.
Algae exhibit which of following structural form:
✓ Q.226
Monophyle c lineage
Tail releases an enzyme called
✓ Q.225
A.
Some species of Aspergillus are used fermen ng/producing soy sauce and soy paste from:
✓ Q.222
All parts
Cyanobacteria have heterocysts, which are helpful in the fixa on of atmospheric:
✓ Q.221
D.
Some species of ---------- trap soil nematodes by forming constric ng ring.
✓ Q.219
✓
RNA sequencing also indicates that green algae and the plants form a:
✓ Q.217
Only vegeta ve parts
Page 14
A.
Spirilla
B.
Diplobaccili
C.
Cocci
D.
Vibrio
50% or so of .....are occurring in lichens.
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A.
Ascomycota
B.
Zygomycota
C.
Basidiomycota
D.
Deuteromycota
The structure produced in adverse environment and resistant to heat are known as A.
Endopores
C.
Spores
A.
Pink
C.
Orange
✓
Q.238
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Q.244
B.
Purple
D.
Yellow
A.
Atrichous
B.
Peritrichous
C.
Amphitrichous
D.
Monotrichous
B.
Akinetes
D.
Both a and b
Hormogonia Heterocysts
✓
A.
Comma shaped bacteria
B.
Spiral shaped bacteria
C.
Rod shaped bacteria
D.
Spiral shaped bacteria
A.
100
C.
800
✓
B.
600
D.
300
A.
Pro sta
B.
Protoc sta
C.
Fungi
D.
Plantae
Gram posi ve or nega ve bacteria grouping is on the basis of their A.
Capsule
B.
Cyst
C.
Cell wall
D.
Cell membrane
B.
Lipid
D.
Chi n
Cell wall of fungi is made up of: A.
Cellulose
C.
Protein
✓
Bacteria that cannot synthesize their organic compounds from simple inorganic substances are: A.
Autotrophs
C.
Symbionts
✓
B.
Heterotrophs
D.
Lichen
Mycorrhiza is the associa on of roots of vascular plants with A.
Algae
C.
Cyanobacteria
✓
B.
Bryophytes
D.
Fungi
Induc on occurs A.
Spontaneously
B.
By environmental s muli
C.
Both of these
D.
By light
Vaccina on was introduced by:
✓ Q.242
✓
Fungi are now a days placed in kingdom
✓ Q.241
Mesosomes
Electromagne c radia ons with wavelength below _______ nm are effec ve in killing microbes
✓ Q.237
D.
VIbrios are
✓ Q.236
Cysts
Nostoc reproduces asexually by forma on of
✓
Q.235
B.
Bacteria without any flagella
C.
Q.234
✓
By Gram staining technique, gram posi ve bacteria are stained:
A. Q.233
Page 15
A.
Louis Pasteur
B.
Robert Koch
C.
Edward Jenner
D.
Chamberland
Most of the visible part of the lichen consist of: A.
Algae
C.
Virus
✓
B.
Fungi
D.
Bacteria
Tests of foraminifera are made of:
✓
A.
Calcium
B.
Silica
C.
Spongin
D.
Iron
Gram-posi ve bacteria retain primary dye due to forma on of which complex?
✓
A.
CV-B
B.
CV-Z
C.
CV-I
D.
All of these
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For vaccina on Edward jenner removed material from which? A.
Small pox lesion
C.
Chicken pox
A.
Diplococcus
C.
Sarcina
The oyster mushroom paralyses the: A.
Earthworms
C.
Leeches
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Q.261
B.
Nematodes
D.
Nereis
Diabetes HIV
✓
B.
Hepa
D.
AIDS
s
Saccharomyces
C.
Penicillium
D.
Candida
A.
Living trees
B.
Structural mber
C.
Both a & b
D.
Logs
A.
chemosynthe c bacteria
B.
photosynthe c bacteria
C.
pathogenic bacteria
D.
faculta ve bacteria
Fungi Pro sta
✓
B.
Animalla
D.
Monera
Which of the following has thallus body: A.
Euglena
B.
Volvox
C.
See weed
D.
Cera um
The heat that causes oxida on of chemical cons tuents of microbes and kills them: A.
moist heat
C.
intense heat
✓
B.
dry heat
D.
mild heat
Which of the following is primary func on of capsule A.
Transport
C.
Mo lity
✓
B.
Support
D.
Adhesion
B.
Gonvaulax
D.
Polysiphonia
Which one is red alga: C.
Q.258
None of these
B.
A. Q.257
D.
According to Whi aker system of classifica on the prokaryo c unicellular organisms belong to the kingdom:
✓
Q.256
✓
Streptococcus
Aspergillus
C.
Q.255
✓
B.
A.
A.
Q.254
All of these
The bacteria that cause diseases in human beings are called
✓
Q.253
D.
Wood-ro ng fungi destroy:
✓
Q.252
Cow pox lesion
One of the followings is used for giving flavour, aroma and characteris c colour to some cheese
✓
Q.251
B.
Aspergillus fumigatus causes aspergillosis but only in persons with defec ve immune system such as: C.
Q.250
✓
When plane of division is random what will be produced in cocci?
A. Q.249
Page 16
Euglena Fucus
✓
The first eukaryote whose genomic sequence was completely studied in 1996 was:
✓
A.
Saccharomyces cerevisiae
B.
Penicillium notatum
C.
Rhizopus nigricans
D.
Candida albicans
By Gram staining technique, gram nega ve bacteria are stained:
✓
A.
Pink
B.
Purple
C.
Yellow
D.
Orange
Spores are dispersed by A.
Wind
C.
Insects
Which is member of Chlorophyta: A.
Gelidium
C.
Pinnularia
B.
WAter
✓
D.
All of these
✓
B.
Spirogyra
D.
Cera um
B.
Puccinia graminis tri ci
When rust of wheat is caused by:
✓
A.
Us lago tri ci
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Page 17
Alternaria solani
About 60% of adults are immune to it A.
MEasles
C.
Herpes
Viruses are simplest organisms and A.
have cell membrane but not cell wall
C.
have their own enzymes
✓ ✓
D.
Xanthomonas citri
B.
Mumps
D.
Small pox
B. D.
undergo replicate are only DNA or RNA strands without cellular structure
A enuated bacteria can s mulate the host to produce
✓
A.
Immunity
B.
Resistance
C.
An bio cs
D.
Infec on
B.
Virus
D.
Fungus
Which one of the following reproduces only in the host cell A.
Bacteria
C.
Nostoc
✓
The fact that a virus can be transmi ed from an infected organism to a healthy organism of the same kind was demonstrated in 1892 by: A.
Lederberg
C.
Morgan
✓
B.
Ivanowski
D.
Stanley
B.
J.Hogg
D.
A.Fleming
Penicillin was discovered in 1928 by: A.
Watson
C.
Lorenze
Agaricus sp., are: A.
Poisonous fungi
C.
Pathogenic fungi
✓ ✓
B.
Edible fungi
D.
Parasi c fungi
Ribosome of prokaryotes are found
✓
A.
Freely dispersed
B.
A ached to cell membrane
C.
Both a & b
D.
In region of Nucleoid
B.
saprophy c
D.
all of the above
What is the mode of nutri on of bacteria? A.
autotrophic
C.
parasi c
✓
Bacteria move in response to chemical signals is called
✓
A.
Chemotaxis
B.
Physicotaxis
C.
None of these
D.
Both a and b
Which of these has lipids in it?
✓
A.
Envelope
B.
Tail core
C.
Capsid
D.
Genome
B.
Chlorophyta
D.
Phaeophyta
B.
Black
D.
Orange Yellow
The algal phylum whose members lack mo le cells A.
Euglenophyta
C.
Rhodophyta
✓
What is the color of diseased spors of Rust? A.
Red
C.
Orange
The delta hepa
✓
✓ s is
A.
A
B.
B
C.
C
D.
All of these
Protozoa responsible for crea on of vast limestone deposits A.
Apicomplexans
C.
Protozoans
Blue mould is the name given to: A.
Rhizopus
C.
Puccinia
B.
Ciliates
✓
D.
Foraminifera's
✓
B.
Penicillium
D.
Us lago
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On the basis of energy source, autotrophic bacteria can be divided into: A.
Photosynthe c
C.
Saprophy c
C.
Q.282
Q.283
Q.285
Q.286
Q.290
Q.291
Q.292
Q.293
Q.294
Cyclosporine
✓
Aspergillus
D.
Saccharomyces
B.
Centrosomes
C.
Phycobilin
D.
Erythrosomes
A.
adinovirus
C.
HIV
✓
B.
plasmodium
D.
mycobacterium tuberculosis
Algae differ from the plants in that the sex organs in algae are unicellular and the zygote is not protected by the:
✓
A.
Parent body
B.
Archegonium
C.
Sterile hair
D.
Cone
Photosynthe c autotrophs u lize sunlight as a source of: A.
Heat
B.
Food
C.
Energy
D.
Carbon
B.
Storage
D.
Survival
B.
Faculta ve
D.
None of these
Bacterial cyst & spores help in A.
Reproduc on
C.
Support
The parasite that can also serve as a saprophyte is A.
Obligate
C.
Defini ve
✓ ✓
Fusion of nuclei does not take place immediately a er the fusion of cytoplasm in which of the followings Zygomycetes Basidiomycetes
Rust and smuts are caused by: A.
Ascomycetes
C.
Zygomycetes
B.
Ascomycetes
✓
D.
Both a and b
✓
B.
Basidiomycetes
D.
Fungi imperfec
Clubs fungi are:
✓ Q.289
B.
Pencillium
Phycobilisomes
C.
Q.288
Both a & b
A.
A. Q.287
Chemosynthe c
An bio cs can cure diseases caused by which of the following?
✓ Q.284
B. D.
In cyanobacteria, photosynthe c pigments and electron transport chain components are located in thylakoid membranes linked with par cles called:
✓
Q.281
✓
Which is used for the produc on of bread and liquor? A.
Q.280
Page 18
A.
Zygomycota
B.
Ascomycota
C.
Basidiomycota
D.
Deuteromycota
Reindeer moss is used as food for reindeers and some other large animals in: A.
Arc c region
C.
Boreal region
✓
B.
Subarc c region
D.
All a, b, c
------------ are ecologically very important as bio-indicators of air pollu on.
✓
A.
Lichens
B.
Predators
C.
Mycorrhizae
D.
Commensals
Pilli are only present on
✓
A.
Gram nega ve bacteria
B.
Gram posi ve bacteria
C.
On both of bacteria
D.
None of these
B.
Asexual reproduc on
D.
Sexual reproduc on
B.
DNA Naked
D.
DNA enveloped
Deuteromycetes lack; A.
Mycelium
C.
Spores
Influenza viruses are A.
RNA Naked
C.
RNA enveloped
✓ ✓
The vegeta ve phase of slime mould is called:
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✓
Q.308
Q.309
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C.
Plasmodium
D.
Mycelium
A.
peritrichous
C.
lophotrichous
✓
B.
atrichous
D.
amphtrichous
A.
Tadpole shaped
B.
Spherical
C.
Bullet shaped
D.
Polyhedral
A.
Adsorp on
B.
A achment
C.
Both a & b
D.
Penetra on
A.
Cellulose
B.
Chi n
C.
Pep doglycan
D.
Glycogen
B.
2-9
D.
1-13
B.
Possessing cell wall
D.
Having centrioles
Fungi can tolerate a wide range of pH from: A.
3-10
C.
4-11
Fungi resemble plants in what way? A.
Having chi n
C.
Having glycogen
Deafness is caused by misuse of A.
Penicillin
C.
Tetracycline
✓ ✓ ✓
B.
Euromycin
D.
Streptomycin
B.
Non-mo le, unicellular, flagellate
D.
Mo le, unicellular biflagellate
Chlamydomonas is: A.
Mo le, unicellular, uniflagellate
C.
Mo le, unicellular, mul flagellate
✓
Bacteriophages posses symmetry A.
Cubical
B.
Helical
C.
Both of these
D.
Spiral
Inves ga ons of cell membrane of a bacterial cell into the cytoplasm in the form of vesicular tubules or lamellae concerned with DNA replica on are A.
endoplasmic re culum
B.
lysosones
C.
measosones
D.
plasmodesmeta
These are ancient bacteria
✓
A.
Archeobacteria
B.
Eubacteria
C.
Euplectella
D.
All of these
Pro sts are:
✓ Q.307
Sporangium
Call walls of Oomycotes contain:
✓ Q.305
B.
First step of life cycle of phage is
✓ Q.304
Cyst
Rhabdovirus is
✓ Q.298
A.
When tu of flagella at each of two poles is present in bacteria, the condi on is called:
✓ Q.297
Page 19
A.
Unicellular prokaryotes
B.
Mul cellular prokaryotes
C.
Unicellular eukaryotes
D.
Mul cellular eukaryotes
Mesosomes are associated with:
✓
A.
DNA Replica on
B.
Nuclear division
C.
Photosynthesis
D.
Protein synthesis
When cocci occur in pairs then arrangement is: A.
teyrad
C.
sarcina
Who, 1982, modified the five Kingdom system: A.
Ernst Haeckel
C.
E-Cha on
✓ ✓
B.
diplococcus
D.
streptococci
B.
margulis and Shwartz
D.
Robert Whi aker
About how many species of bacteria are known to cause disease in humans A.
100
B.
1000
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C. A.
Zooflagellates
C.
Ac nopods
In Binary fission, parent cell A.
Shrinks
C.
Looses cell wall
Q.318
Q.319
Q.320
Q.321
Q.322
Q.323
Q.324
Pneumonia Ascospores
C.
Both a & b
Apicomplexans
D.
Ciliates
B.
Enlarges
D.
Becomes dormant
✓
B.
Weight loss
D.
All of these
B.
Basidiospores
✓
D.
Buds
A.
Disinfectants
B.
An sep cs
C.
An bio cs
D.
An gens
A body that is not differen ated into true root,stem and leaves and lacks vascular ssue is called a A.
Sporophyte
B.
Gametophyte
C.
Thallus
D.
Spore
One of the followings was able to isolate bacterium responsible for chicken cholera in 1880's
✓
A.
Louis Pasteur
B.
Edward Jenner
C.
Chris an Gram
D.
Robert Koch
Which are hollow structures in bacteria?
✓
A.
Pilli
B.
Flagella
C.
Both a & b
D.
Cilia
B.
Hydrophobia
D.
All of these
Pasteur made vaccine for A.
Cholera
C.
Anthrax
✓
A er how many weeks of 1st inocula on boy Phipps was inoculated with small pox pus? A.
2
C.
8
✓
B.
19
D.
6
During unfavourable condi ons, slime mold forms resistant haploid spores by meiosis within stalked structures called: A.
Conidia
C.
Asci
✓
B.
Sporangia
D.
Basidia
B.
Virions
D.
Bacteriophages
Which viruses consist of head and tail A.
Adenoviruses
C.
Polioviruses
✓
When tu of flagella is present at each of two poles of bacteria it is called A.
Atrichous
C.
Peritrichous
B.
Lophotrichous
✓
D.
Amphitrichous
✓
B. D.
All bacteria are heterotrophic Most bacteria are heterotrophic but some are autotrophic
Which of teh following statement is correct? C.
All bacteria are autotrophic Al bacteria are photosynthe c
The oyster mushroom (Pleurotus ostreatus) is a:
✓ Q.326
✓
Swollen lymph nodes
A.
A.
Q.325
✓
B.
Tetracycline and penicillin are:
✓ Q.317
2000
Yeast reproduces sexually by forming
✓ Q.316
D.
Which of the following is symptom of AIDS C.
Q.315
200
Paramecium, Vor cella and Stentor belong to which of the following group of Protozoa
A. Q.314
Page 20
A.
Carnivorous
B.
Predatory
C.
Both a & b
D.
Herbivorous
B.
Ascocarps
D.
Conidia
Asexual reproduc on is ascomycetes is by A. C.
Ascospores Soredia
✓
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Q.329
Q.330
Name the organism in which the dis nc on of plant animal disappears.
✓
Slime molds
C.
Both Euglena and slime moulds
D.
Choanoflagelates
B.
Binary fission
D.
Lag phase
A.
Mitosis
C.
Conjuga on
A.
ORganic ma er
C.
both a & b
Q.337
Q.338
Q.339
Q.340
Q.342
None
B.
Gram+ve bacteria
C.
In both of these
D.
None of them
A.
Cell
B.
Cytoplasm
C.
Nucleus
D.
A er
A.
Circular single stranded DNA
B.
Double stranded RNA
C.
Circular double stranded DNA
D.
Essen al for growth of DNA
The bacteria that cannot synthesize their own organic compounds from simpler inorganic substances are called A.
Autotrophic
B.
Chemosynthe c
C.
Heterotrophic
D.
Saproprophi c
When cocci form long chain of cells then arrangement is called as: tetrad sarcina
✓
B.
diplococcus
D.
streptococci
Which of these bacteria have very extensive enzyme system?
✓
A.
Saprophy c
B.
Parasi c
C.
Chemosynthe c
D.
Autotrops
Bacteria produce capsule, which is made up of repea ng ........... units and of protein or of both: A.
monosaccharide
C.
oligosaccharide
✓
B.
polysaccharide
D.
disaccharide
Streptomycin can induce auditory nerve thus causing:
✓
A.
Deafness
B.
Blindness
C.
Dumbness
D.
Dullness
The pocks are characteris cs of
✓
A.
Small pox
B.
Polio
C.
Herpes
D.
All of these
Choanoflagellates are sessile marine of Freshwater flagellates which are a ached:
✓
A.
Stalk
B.
Holdfast
C.
Twig
D.
Clutch
Which of the fungus is commonly employed in experimental gene cs? A.
Puccinia
B.
Mushroom
C.
Neurospora
D.
Penicillium
B.
Boreal
D.
Tropical
Reindeer moss is used as a food by animals of which zone? A.
Temperate
C.
Arid
✓
Mul nucleate large cell in which cytoplasm moves effec vely is called
✓ Q.343
Inorganic ma er
Plasmids are important _________ in modern gene c engineering
✓ Q.341
B. D.
Gram-ve bacteria
C.
Q.336
✓
A.
A. Q.335
✓
In Greek the word pro means "before" and crayon means:
✓ Q.334
B.
Pep doglycan is the characteris cs of
✓ Q.333
Euglena
bacteria decompose:
✓ Q.332
A.
Bacteria increase in number asexullay by
✓ Q.331
Page 21
A.
Coenocy c
B.
Non septate
C.
Septate
D.
Aseptate
--------is the largest group of fungi, including over 60,000 species. A.
Basidiomycota
B.
Zygomycota
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C.
Page 22
Ascomycota
D.
Deuteromycota
The most common rust fungi are
✓
A.
Puccinia
B.
Us lago
C.
Mocella
D.
All these
Which of these form granules or act as storage bodies in bacteria
✓
A.
Sulfur
B.
Minerals
C.
Starch
D.
All of these
Q.346
Which of the following is not the postulates of Germ theory of disease: A. A specific organism can always be found in ✓ B. The organism cannot be isolated and grown associa on with give disease in pure culture in the laboratory C. The pure culture will produce the disease D. it is possible to recover the organism in pure when inoculated into suscep ble animal culture form experimentally infected animal
Q.347
Bacteriophage dissolve bacterial cell wall by producing the enzyme
Q.348
Q.351
Q.352
Q.353
Q.354
Q.355
Q.356
Q.358
Lysozyme
D.
Lipases
A.
Hyphae
B.
Thallus
C.
Mycelium
D.
Coenocy c
A.
De ol
B.
Phenyl
C.
Sulfonamide
D.
Spirit
B.
Nuclear Mitosis
D.
Nuclear mitosis
A.
Cytomitosis
C.
Cytoplasmic mitosis
✓
A kind of gene c recombina on in which por ons of chromosomes of two nuclei lying in the same hypha are exchanged is A.
Transforma on
C.
Conjuga on
✓
B.
Transduc on
D.
Parasexuality
Desmids have cells with:
✓
A.
Two halves
B.
Single unit
C.
Three pieces
D.
Four fragments
B.
three categories
D.
five categories
On the basis of general shape,bacteria are classified into: A.
two categories
C.
four categories
✓
Trichome mostly breaks near heterocyst and forms hormogonia and thus help in:
✓
A.
Fragmenta on
B.
Budding
C.
Binary fission
D.
Conjuga on
B.
Fungi and roots of higher plants
D.
Algae and roots of gymnosperms
Mycorrhiza is a symbio c rela onships between: A.
Algae and Bryophytes
C.
Algae and fungi
✓
In five Kingdom system for Robert Whi eaker only unicellular Eukaroyotes ere placed in Kindom. A.
Monera
B.
Plantae
C.
Pro sta
D.
Animalia
Which substance indicates that green algae and plants form monophyle c lineage?
✓
A.
Gene c material
B.
Lipids
C.
Protein
D.
Carbohydrates
All the followings are the characteris cs of trichome of Nostoc except
✓ Q.359
Pep de gluconases
B.
Fungi show a characteris c type of mitosis, called:
✓ Q.357
C.
✓
Which of the following is chemotherapeu c agent:
✓ Q.350
Holoenzyme
The body of the fungus is called
✓ Q.349
A.
A.
Branched
B.
Spherical cells
C.
Contain heterocyst
D.
Embedded in a jelly like mass
About 95% of all kinds of vascular plants form mycorrhizal associa ons with: A.
Algae
B.
Protozoa
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Fungi Calcium
B.
Pec n
C.
Silica
D.
Lignin
Some algae are edible such as: A.
Diatoms
C.
Chlorella
Fungus like protests are not placed in fungi because:
Q.363
Heterotroph in nature They contain centriole which is absent in fungi Penicillium is also source of an bio c:
✓
Q.367
Q.368
Q.370
A.
Tetracycline
C.
Cyclosporine
✓
Kelps Mushrooms
B.
Their method of reproduc on is plant like
D.
Body is plant like
B.
Penicillin
D.
Streptomycin
A.
Obligate parasite of Bacteria
B.
Obligate parasite of Fungi
C.
Viruses
D.
All of these
A.
Ulva
B.
Volvox
C.
Chlorella
D.
Kelps
In 1983, a func onal ar ficial chromosome was made in:
✓
A.
Saccharomyces cerevisiae
B.
Penicillium notatum
C.
Rhizopus nigrcans
D.
Candida albicans
Migraine relief an bio c is A.
Griseofulvin
C.
Cyclosporine
✓
B.
Ergo ne
D.
Penicillin
Shivering in malaria occurs when:
✓ Q.369
A. C.
B. D.
Which algae have a chance to become the alternate source of food in future?
✓ Q.366
✓
Which of the following cannot be grown on ar ficial media
✓ Q.365
Mosses
A.
Q.362
Q.364
D.
What is deposited in the shell of diatoms:
✓ Q.361
C.
Page 23
A.
Merozoites enter RBC
B.
Gametocytes formed
C.
Merozoites are liberated form RBC with toxin
D.
Merozoites enter fresh hepa c cells
B.
Zygote
D.
Zygospores
All fungal nuclei are haploid except for transient dipoles: A.
Spores
C.
Conidia
✓
A faculta ve parasite is own which: A. C.
Q.371
Q.372
Q.373
Q.374
Q.375
Always requires dead organic ma er B. Always requires a living host Is normally a parasite but can also become a D. Is normally a saprophyte but can also become ✓ saprophyte a parasite The kingdom pro sta contains four major groups of eukaryo c organisms, single called protozoans, unicellular algae , mul cullar algae: A.
slime molds
C.
mushrooms
✓
B.
oomycotes
D.
both a & b
Mesosomes are found in the form of which of the followings? A.
Lamellae
C.
Tubules
B.
Vesicle
D.
All of these
B.
Cyanobacteria
✓
D.
Eubacteria
✓
B.
Three kingdoms
D.
Five kingdoms
B.
17th century
✓
Cell walls of archaeobacteria are different from: A.
Probacteria
C.
Ac nobacteria
In 1866 Ernst Hackle divided living organisms into A.
Two kingdoms
C.
Six kingdoms
Small pox was very common un l early A.
19th century
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Q.392
Chlorella
C.
Spirogyra
A.
Parasites
C.
Autotrophic
Dikaryo c hyphae have
D.
20th century
B.
Chlamydomonas
A.
Two monoploid nuclei of same strain
C.
Two diploid nuclei
✓
D.
Fucus
✓ ✓
B.
Heterotrophic
D.
None of these
B.
Two monoploid nuclei of different strains
D.
One diploid and other monoploid nucleus
B.
Akinetes
D.
All a, b, c
B.
250
D.
162
In cyanobacteria reproduc on occurs by: A.
Hormogonia
C.
Heterocysts
✓
There are _________ capsomeres in herpes virus A.
252
C.
150
✓
The closest rela ves of fungi are probably: A.
Aschelminthes
B.
Diatoms
C.
Slime molds
D.
Ferns
By Gram staining technique,gram posi ve bacteria are stained .... in colour. A.
yellow
B.
pink
C.
purple
D.
blue
B.
Aspergillus
✓
D.
Saccharomyces cerevisiae
✓
B.
Chrysophyta
D.
Chlorophyta
Baker's fungi is: A.
Penicillium
C.
Both A and B
Diatoms are also known as: A.
Pyrrophyta
C.
Phaeophyta
Viroids are plant pathgens consis ng of A.
Proteins only
C.
DNA without capsid
Soredia are A.
Fungal hyphae
C.
Gametangia
Sexual process perform by most ciliates is: A.
Fission
C.
Sport forma on
Prokaryotes are: A.
Nimal without well-developed nervous system
C.
Primi ve plants without vascular system
✓ ✓ ✓ ✓
B.
Circular single stranded RNA
D.
None of these
B.
Spores
D.
Antheridia
B.
Conjuga on
D.
Conidia
B.
Organism lacking a definite nucleus
D.
Plant that od no product flower and fruit
One of the following is a technique used to preserve milk and milk products
✓ Q.390
A.
Most of the bacteria are
✓ Q.383
✓
Which is not green alga:
✓ Q.382
18th century
Page 24
A.
Gene therapy
B.
Immuniza on
C.
Pasteuriza on
D.
Preven ve measures
B.
Sac fungi
D.
Deuteromycetes
Ascomycotes are commonly known as A.
Club fungi
C.
Imperfect fungi
✓
Solanum tuberosum is the scien fic name of:
✓
A.
Potato
B.
Tobacco
C.
Tomato
D.
Onion
The heriditary material in viruses may be:
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Q.405
✓
Q.408
D.
RNA
A.
Algae
C.
Lichen
✓
B.
Fungi
D.
Virus
A.
Fermenta on
B.
Pasteuriza on
C.
Cause of disease
A.
Mushrooms
C.
Neurospora
✓
D.
All of these
✓
B.
Yeasts
D.
Aspergillus
A.
1400
B.
140
C.
14000
D.
14
A.
cholera and tuberculosis
B.
measles and smallpox
C.
measles and tuberculosis
D.
smallpox and cholera
They do not have pep doglycan in their cell wall A.
Gram posi ve
B.
Gram nega ve
C.
Archeobacteria
D.
Eubacteria
In bacteria the complexes of layers external to the cell protoplasm are called
✓
A.
Cell envelope
B.
Cell wall
C.
Slime
D.
Capsule
Plasmodium (slime mold) is a mul nucleate mass of cytoplasm that can grow in diameter to: A.
5 cm
C.
20 cm
✓
B.
10 cm
D.
30 cm
He was 1st to report microbes A.
Robert Koch
B.
Louis Pasteur
C.
Leeuwenhoek
D.
None of these
Photosynthe c pro sts are presented by: A.
Protozoans
B.
Slime moulds
C.
Unicellular algae
D.
All of these
The only special kind of gene c recombina on found in deuteromycetes is known as A.
Conjuga on
C.
Budding
✓
B.
Parasexuality
D.
Transduc on
Pasteur's main achievements are the development of vaccines for disease: A.
Anthrax
C.
Rabies
✓
B.
Fowl Cholera
D.
All a, b, c
The AIDS was reported in A.
1970s
B.
1940s
C.
1980s
D.
1960s
Ivanowski ibtained _________ filtrate from ground up infected plants
✓ Q.407
DNA or RNA
Which diseases can be curved by the use of an bio cs?
✓ Q.406
B.
Chromosome of E coil measures about _________ micrometer
✓ Q.403
Both DNA and RNA
The fungi used in bakeries and breweries is
✓ Q.402
C.
✓
Pasteur discovered
✓ Q.399
DNA
An bio cs are synthesized and secreted by certain bacteria, ac nomycetes and:
✓ Q.397
A.
Page 25
A.
Highly diluted
B.
Virus free
C.
Bacteria free
D.
None of these
B.
Ascomycota
D.
Deuteromycota
Which of the following group has length dikaryo c phase: A.
Zygomycota
C.
Imperfect fungi
✓
Tubular sha s in bacteria that serve as a means of a achment of bacteria to various surfaces
✓
A.
Flagella
B.
Fimbriae
C.
Pilli
D.
Slime
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Q.410
E. coli are
Q.412
Q.414
Q.415
Q.416
C.
Spiral
✓
Q.420
Q.421
Q.422
Q.424
Q.425
None of these
B.
10°C, +40°C
C.
-5°C, +50°C
D.
100°C, +200°C
A.
Temperate cycle
B.
Virulent cycle
C.
Ly c cycle
D.
All of these
A.
Vibrio
B.
Hyphomicrobium
C.
Both a & b
D.
Campylobacter
B.
Gene cs
D.
All these
B.
Late blight
D.
Mildew
Classifica on of living things is based on A.
Homologies
C.
Cytology
✓
Phytophthora cause which of the following diseases in potato: A.
Fire blight
C.
Red rots
✓
Except to spierillia, bacillus and coclc, bacteria are found in which of the shapes: A.
Trichome forma on and sheathed
C.
Star shaped and spindle shaped
✓
B.
Stalked and square
D.
All of the above
B.
They do not locomote
D.
They cannot reproduce independently
Viruses may be considered non-living because: They can mutate Their nucleic acid does not code for protein
✓
Integrated disease management includes A.
Using all methods to combat disease
B.
Par cipa on of community
C.
Both a and b
D.
None of these
What is the unicellular fungus?
✓
A.
Yeast
B.
Rhizopus
C.
Malaria
D.
Pencellium
Aspergillus contaminates which of the following with Aflatoxins? A.
Improperly Stored grains
C.
Eggs and meat
✓
B.
Milk
D.
All of these
Dormant, thick-walled desicca on resistant forms present in bacteria are:
✓
A.
Cysts
B.
Exospores
C.
Endospores
D.
Both a & b
A chain of bacilli is called:
✓
A.
Streptobacillus
B.
diplobacillus
C.
staohylobacillus
D.
tetrad
In cyanobacteria in the structure specialized for nitrogen-fixa on is:
✓ Q.423
D.
Examples of spiral shaped bacteria are:
✓
Q.419
Bacilli
5°C, +50°C
C.
Q.418
B.
A.
A. Q.417
✓
"Host guest rela onship" results in
✓ Q.413
Cocci
The fungi can tolerate temperature
✓ Q.411
A.
Page 26
A.
Endospore
B.
Aplanospore
C.
Heterocyst
D.
Nucleoid
✓
B. D.
They are an associa on of algae and fungi They are pioneers and live successfully on barren rocks
✓
B.
30
D.
50
B.
2-9
Lichens are ecologically important because: A.
They can grow in polluted area
C.
They are associated with mycorrhizal roots
The feeding stage of slime mold grow upto --------cm: A.
20
C.
40
Fungi can tolerate pH A.
2-7
✓
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B.
HBV
C.
HCV
D.
HIV
B.
Administra ng certain an -cancerous
C.
Gene therapy
Q.433
Q.434
Q.435
Q.436
Q.437
Q.438
Q.439
Q.441
Hydrophobia
B.
Rabies
C.
Both a & b
D.
Myopia
A.
Puccinia graminis
B.
Us lago tri ci
C.
Phytophthora
D.
Albugo
A.
Same as in eukaryo c cell
B.
Larger than those in eukaryo c cell
C.
Smaller than those in eukaryo c cell
D.
Absent
Unlike plant and animal, however, pro sts do not develop from a: A.
Blastula
B.
Embryo
C.
Botha a & b
D.
Foetus
The parasites which can grow only on their host A.
Faculta ve
C.
Ectoparasites
Spirochete is a thin, flexible: A.
Bacilli
C.
Vibrios
Foraminiferans of the past have created vast deposits of: A.
marble
C.
Coal
✓ ✓ ✓
B.
Obligate
D.
Intracelluar
B.
Spiral
D.
Cocci
B.
limestone
D.
Diamond
The hereditary material of Polio virus is
✓
A.
RNA
B.
DNA
C.
Single stranded DNA
D.
None of these
Two overlapping halves a lid and a lower half, which fit into each other is a characteris c feature of: A.
Dinoflagellates
C.
Zooflagletes
✓
B.
Diatoms
D.
Paramecium
Black bread mold and spli ng fungus belongs to
✓
A.
Zygomycota
B.
Ascomycota
C.
Basidiomycota
D.
Deuteromycota
B.
Penicillum
D.
Agaricus
The fungus that is source of an bio c penicillin is A.
Streptomyces
C.
Aspergillus
✓
Which is not correct about hyphae?
✓ Q.440
A.
The ribosomes in bacterial cell are
✓ Q.432
All of these
When smut is caused by:
✓ Q.431
✓
Pasteur also made a vaccine for:
✓ Q.430
6-8
HAV
In Chemotherapy A. Cancerous parts are exposed to short wave radia on
✓ Q.429
D.
A.
D. Q.428
4-6
Chronic liver disease is most frequently caused by
✓ Q.427
Page 27
A.
Long
B.
Slender
C.
Un branched
D.
Thread like
B.
mo lity
D.
rest
Primary func on of flagella is to help in: A.
walking
C.
running
✓
Cyanobacteria are photosynthe c partner in most of .... associa on.
✓
A.
Lichen
B.
Fungal
C.
algal
D.
Plant
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Candida albicans, a yeast, causes oral and vaginal thrush i.e,
✓ Q.443
Q.444
Q.446
Q.447
Q.448
Q.449
Q.450
Q.451
Q.453
Q.454
Q.455
Q.456
Q.457
Q.458
Candidiasis
B.
Candidosis
C.
Both a and b
D.
Candidum
B.
Basidiospores
D.
Both a and b
A.
Ascospores
C.
Conidia
✓
Most called are capable of a sexual process called: A.
oogamy
B.
ma ng
C.
conjuga on
D.
copula on
B.
D'Herelle
D.
None of these
B.
Haustoria
D.
Hyphae
Who discovered the process of lysis? A.
Twort
C.
Both of these
✓
Thread liked branches of mycelium are called: A.
Filaments
C.
Sporangiophores
✓
When flagella surround the whole bacteria cell,the condi on is called:
✓
A.
Peritrichous
B.
atrichous
C.
lophotrichous
D.
amphreichous
DNA aggregates as an irregular shaped dense area called: A.
Nucleoid
C.
Chroma d
A disease causing substance produced by fungi is A.
Griseofulvin
C.
Mycotoxins
B.
Chroma n Body
✓
D.
Both a & b
✓
B.
Toxins
D.
Afflatoxins
Bacterial endospores func on in
✓
A.
Survival
B.
Storage
C.
Reproduc on
D.
Protein synthesis
The similarity between bacterium and cyanobacteria is in the:
✓ Q.452
A.
Sexual reproduc on in yeast is by
✓ Q.445
Page 28
A.
Presence of flagella
B.
Presence of 80S ribosomes
C.
Present of nucleoid
D.
Phycocyanin
The rod-shaped bacteria are:
✓
A.
Bacilli
B.
Spiral
C.
Vibrios
D.
Cocci
Eukaryo c kingdoms, the Fungi, Plantae and Animalia, arose in various ways from A.
Prokaryotes
C.
Protozoans
✓
B.
Pro sts
D.
Algae
B.
Lacks locomo on
D.
All these
Fungi resemble plants in that A.
It possesses cell wall
C.
The centrioles are absent
✓
Thick walled, enlarge vegeta ve cells which accumulate food and become res ng cells in Nostoc are: A.
Heterocysts
C.
Cysts
✓
B.
Akinetes
D.
Spores
Bacteria play a significant role the comple on of cycle of: A.
Nitrogen
C.
Sulphur and carbon
✓
B.
Phosphorus
D.
All a, b, c
Black spores are formed in case of
✓
A.
Smuts
B.
Rusts
C.
Fusarium
D.
Puccinia graminis
An average coccus is about............. micrometer (um) is diameter. A.
0.1 - 0.5
B.
1.0 - 2.0
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Q.460
Q.461
C. A.
Thalloid
C.
Thylakoid
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Q.467
A.
Acetabularia
C.
Laminaria
Q.471
Q.472
Q.473
Release
A.
Rust
C.
Shelf fungi
A.
Cell wall
C.
Golgi apparatus
D.
Stump
B.
Chondrus Cera um
B.
Replica on
D.
A achment
B.
Smut
✓
D.
Penicillium
✓
B.
Cell membrane
D.
Endoplasmic re culum
✓
A.
Blastostyle
B.
Gastrozooid
C.
Plasmodium
D.
Sporozoite
B.
Two shells
D.
Quadruple shells
The cell wall of each diatom consists of: A.
Single shell
C.
Triple shells
✓
The plant body in a unicellular fungus A.
Coenocy c
B.
Hyphal
C.
Non-hyphal
D.
Septate
In which bacteria flagella ate surrounding the whole bacterial cell A.
Atrichous
B.
Amphitrichous
C.
Peritrichous
D.
Lophotrichous
The spores formed in Phylum zygomycota of fungi are called: A.
Ascospores
B.
Basidiospores
C.
Zygospores
D.
Conidia
In bacteria beneath extracellular substances and external to cell membrane is present
✓
A.
Cell wall
B.
Capsule
C.
Cyst
D.
Slime
Huge bacterium has been found in which fish?
✓
A.
Brown sturgeon
B.
Brown surgeon
C.
Brown dipnoi
D.
Osteolepiform
When division occurred in random planes it will produce a:
✓
A.
staphylococcus arrangement
B.
diplococcus arrangement
C.
streptococcus arrangement
D.
bacillococcus arrangement
B.
Paedogamy
D.
Karyogamy
The fusion of nuclei is called: A. C.
Q.474
Thallus
Which one of the following is the best explana on of pep doglycan: A. A frame work of lipoid cross linked with B. A frame work of glycan cross linked with lipids pep de fragments ✓ C. A framework of glycan cross linked with lipids D. A framework of glucose cross linked with lipids The feeding stage of a slime mold is a:
✓ Q.470
B.
D.
✓
Penetra on
Mesosomes are internal extensions of the:
✓ Q.469
✓
Which is not a devasta ng pathogen?
✓ Q.468
0.2 - 0.7
Tail fibers are meant for
✓ Q.466
D.
Which is dinoflagellate:
C.
Q.463
0.5 - 1.0
A body which is not differen ated into true roots, stems and leaves and lacks xylem & phloem is called a:
A. Q.462
Page 29
Cytogamy Plasmogamy
✓
The irregular dense area in a bacteria cell formed by a single, circular, double stranded DNA molecule is A.
mesosome
B.
plasmid
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✓
Q.490
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Mushrooms
C.
Morels
✓
B.
Puff balls
D.
All a, b, c
A.
Rust
B.
Penicillium
C.
Truffles
D.
Yeast
A.
Fragmenta on
B.
Binary fission
C.
Budding
D.
Spores
A.
Fusarium
B.
Us lago
C.
Rhizopus
D.
Yeast
One of the following is the smallest organism A.
Mycoplasma
B.
Yeast
C.
Viruses
D.
Bacteria
Chemical substances used on living ssues to inhibit growth of bacteria is called A.
An bio cs
C.
Vaccina on
✓
B.
An sep cs
D.
None of these
B.
Aspergillus flavus
✓
D.
Bacteria
✓
B.
Embryo
D.
Parasites
Aflatoxin is produced by: A.
Nematode
C.
Virus
Which of the following is not present in pro sts: A.
Photosynthesis
C.
Flagella
Te func on of micronucleus is:
✓
A.
Reproduc on
B.
Control of cell metabolism
C.
Diges on
D.
Movement
B.
Cell envelope
D.
Cell wall
Complexes of layer external to bacterial protoplasm is A.
Capsule
C.
Slime
✓
During which phase of reproduc on death rate become equal to newly formed bacteria A.
Lag
C.
Sta onary
✓
B.
Log
D.
All these
Fungi, in their cell wall, contain: A.
Pec n
B.
Lignin
C.
Chi n
D.
Cellulose
Common waste material in the cytoplasm of bacteria A.
Alcohol
C.
Ace c acid
✓
B.
Lac c acid
D.
All of these
Which organisms are generally classified as monerans?
✓ Q.489
A.
Which of the following show parasexuality:
✓ Q.487
cyst
Unicellular yeasts reproduce by:
✓ Q.480
D.
Which is a delicacy?
✓ Q.478
nucleoid
Hyphae may be packed together and organized to form complex reproduc ve structure such as:
✓ Q.477
C.
Page 30
A.
Protozoa, bacteria, algae and bryophytes
B.
Algae, fungi, bacteria and bryophytes
C.
Bacteria, cyanobacteria, oscillatoria
D.
Protozoa, algae and slime molds
B.
Dinoflagellates
D.
Ciliates
B.
Conidiphore
D.
All of these
All of the following are different types of protozoa except A.
Ac nopods
C.
Zooflagellates
Conidial producing structure of fungus is called A.
Sporangia
C.
Colomella
✓ ✓
Many mycologists think that fungi and animals are closely related due to?
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✓ ✓
Q.501
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B.
Vaccine
C.
Disinfectant
D.
All of these
A.
Lysogenic phase
B.
Ly c phase
C.
Virulent phase
D.
Both b and d
A.
cocci,bacilli and spiral
B.
cocci,bacilli and vibrio
C.
cocci,comma and spiral
D.
cubical,bacilli and spiral
B.
Bryophytes
D.
Fungi
Q.504
Q.505
Q.506
Q.507
Algae Pteridophytes
✓
The study of viruses is called as:
✓
A.
Virology
B.
Ecology
C.
Mycology
D.
Phycology
He discovered the agent,which caused TMD A.
Stanley
B.
Chamberland
C.
Ivanowski
D.
None of these
Experimental administra on of vaccina on in AIDS pa ents has started in A.
North America
B.
South America
C.
South Africa
D.
Hong Kong
Capsule is composed of A.
Protein
B.
Polysaccharide units
C.
Both
D.
Lipoproteins
Spirochete bacterium is
✓
A.
Anaerobic
B.
Aerobic
C.
Faculta ve
D.
Microaerophilic
B.
Interac on with other organisms
D.
All of these
In which character, pro sts show diversity: A.
Ways of obtaining nutrients
C.
Mode of reproduc on
✓
A disease transmi ed to people by bites from rabid dogs, cats, and other animals is:
✓ Q.503
Chi n in both groups
Mycology is the study of
✓ Q.500
D.
The general shapes of bacteria are known as:
✓ Q.499
Nuclear mitosis
The phase in which bacteriophage causes lysis of the host cell is called
✓ Q.498
B.
An sep cs
C.
Q.497
Autotroph
✓
A.
A. Q.496
Starch
Hydrogen peroxide and formaldehyde are used as
✓ Q.493
Page 31
A.
Hydrophobia
B.
Rabies
C.
Both a & b
D.
Myopia
Bacteria a ach on the substrate with the help of
✓
A.
Pilli
B.
Flagella
C.
Cillia
D.
Basal bodies
Which of the following fungi is delicious fungus:
✓
A.
Truffles
B.
Yeast
C.
Rust
D.
Penicillin
On the basis of general shape bacteria are classified into how many categories?
✓
A.
3
B.
6
C.
4
D.
None
They mutualis c associa on of between fungi and roots of higher plant: A.
Lichens
C.
Arthrobotrys
✓
B.
Mycorrhizae
D.
Commensalism
Viruses mul ply themselves within the host cell of
✓
A.
Bacteria
B.
Plants
C.
Fungi
D.
Eukaryotes
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Coenocy c hyphae are also known as:
✓ Q.509
Q.510
A.
Septate
B.
Perforated hyphae
C.
Aseptate
D.
Imperfect hyphae
Oomycotes include a number of pathogenic organisms, including downy mildew: A.
Physarum polycephalum
C.
Rhodotorula
B.
Pee n
D.
Both silica and cellulose
B.
Their method of reproduc on is plant like
D.
Body is plant like
Q.519
Q.520
Q.521
✓
✓
C.
100%
✓
B.
95%
D.
80%
A.
Pasteur
B.
Edward Jenner
C.
Robert Koch
D.
None of these
A.
S factor
C.
D factor
✓
B.
F factor
D.
P factor
A.
Spiral
B.
Sarcina
C.
Streptobacillus
D.
Streptococcus
Gram-posi ve bacteria are stained _____________ by gram staining A.
red
B.
pink
C.
dark blue
D.
colourless
The hyphae that lack septa and are in the from of elongated mul nucleate cells are
✓
A.
Coenocy c
B.
Dikaryo c
C.
Heterokaryo c
D.
Aseptate
A group of freely interbreeding organism cons tutes a
✓
A.
Species
B.
Genera
C.
Genus
D.
Class
Reserve food material in cyanobacteria is
✓
A.
Starch
B.
Glycogen
C.
Pep doglycans
D.
Lipids
What is the bacterial cell wall made up of? A.
cellulose
C.
phospholipids
✓
B.
chi n
D.
pep doglycans
Which of the following bacteria are cocci: A.
E.coli
B.
Pseudomonas
C.
Diplococcus pneumoniae
D.
Bacillus sub lis
A dis nct lipo-polysaccharide wall layer is found in: A.
Mycoplasma
B.
Gram posi ve bacteria
C.
Gram nega ve bacteria
D.
All bacteria
They can live as both aerobic and anerobic
✓ Q.524
90%
Vibro is an example of:
✓ Q.523
A.
The ability to serve as a donor is determined by genes in a special type of plasmid called the sex factor or:
✓ Q.522
A. C.
Who made vaccine for hydrophobia or rabies
✓
Q.518
Candida albicans
Silica
Q.512
Q.517
D.
Cellulose
Heterotroph in nature They contain centriole which is absent in fungi Micorrhizal associa on is found in _______ vascular plants
✓
Q.516
Phytophthora indestans
C.
Fungus like protest are not placed in fungi because:
Q.515
B.
A. Q.511
Q.514
✓
Wall of diatoms is composed of:
✓
Q.513
Page 32
A.
Microaerophilic
B.
Obligate aerobes
C.
Faculta ve Bacteria
D.
All of these
B.
6
How many tail fibers are there in a phage (T4)? A.
4
✓
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Q.531
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Q.536
✓
Q.538
Q.539
✓
Retrovirus
B.
Paramyxovirus
C.
Oncovirus
D.
None of these
A.
Amanita
C.
Aspergillus
✓
B.
Armillaria
D.
Rhizopus
A.
Zooflagellates
B.
Ac nopods
C.
Ciliates
D.
Apicomplexans
A.
Griseofulvin
B.
Cyclosporine
C.
Lovasta n
D.
Penicillin
Which of the followings is obtained from a soil fungus and is used in organ transplanta on for preven ng transplant rejec on? A.
Penicillium
B.
Griseofulvin
C.
Cyclosporin
D.
Ergo ne
An independent evolu onary unit is
✓
A.
Species
B.
Genus
C.
Class
D.
Kingdom
B.
Mul nucleate
D.
Heterokaryo c
Mycelium of Rhizopus is: A.
Uninucleate
C.
Conocy c
✓
The African sleeping sickness disease is caused by A.
Euglena
B.
Amoeba
C.
Trypanosoma
D.
Plasmodium
The most common method of reproduc on in bacteria is: A.
Budding
C.
Ebdisoire
✓
B.
Fission
D.
Conjuga on
B.
Chroma n body
D.
All of these
Other name of nucleoid is A.
Nuclear body
C.
Nuclear region
✓
In ecto mycorrhizae, the hyphae surround and extend between the cells but do not penetrate the cell walls of the:
✓
A.
Roots
B.
Shoots
C.
Leaves
D.
Flowers
Complete mature and infec ous par cle is known as A.
Viroid
B.
Prions
C.
Virions
D.
None of these
...... is a micraerophilic bacterium. A.
Nitrobacter
C.
Pseudomonas
✓
B.
Spirocheta
D.
Campylobacter
Which is the sexual process in bacteria?
✓
A.
Conjuga on
B.
Transduc on
C.
Transforma on
D.
All of these
Zygote of rhizopus directly develops into
✓ Q.540
A.
One of the followings is obtained from fungi and is used to inhibit fungal growth
✓ Q.537
10
Trypanosoma and Euglena are commonly called
✓ Q.533
D.
A pathogenic fungus whose mycellium grows out from a central point and measures up to 15 hectares is
✓ Q.530
8
Any virus with cancer causing ability could be called
✓ Q.526
Page 33
A.
Zoospore
B.
Sporangium
C.
Zygospore
D.
Zygocarp
B.
Foods of plasma membrane
C.
Viruses
Plasmids are: ✓ A. Extra chromosomal gene c elements of bacteria
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Q.544
A.
Mesosomes
B.
Vectors
C.
Plasmid
D.
Chroma n body
Classifica on of fungi into four main groups is based primarily on: A. The type of their sexual reproduc ve B. structures C.
✓ Q.543
D. A.
Intercellular obligate
C.
Faculta ve
Q.547
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Q.549
Q.550
Q.552
Q.553
Q.554
Q.555
✓
B.
Intracellular obligate
D.
Unicellular
Food Biotechnology
✓
B.
Drugs
D.
All a, b, c
A.
Basidiomycetes
B.
Zygomycetes
C.
Ascomycetes
D.
Both A and B
Which algae take part in building coral reefs along with coral animals: A.
Green algae
C.
Brown algae
Apicomplexans are large groups of -----------protozoa. A.
Intes nal
C.
Aqua c
✓ ✓
B.
Red algae
D.
Blue green algae
B.
Parasi c
D.
Terrestrial
A curved or comma shaped rod is known as
✓
A.
Vibrio
B.
Diplobacillus
C.
Streptobacillus
D.
None of these
B.
Polyhedral
D.
Animal
Many __________ viruses enter the host cell as a whole A.
Plant
C.
Cubical
✓
The bacteria larger than the average eukaryo c cell is A.
Epulopiscium nigrofuscus
B.
Acanthurus nigrofuscus
C.
Epulopiscium fishelsoni
D.
Acanthurus fishelsoni
Most green algae possess cell walls with:
✓
A.
Cellulose
B.
Chi n
C.
Glycogen
D.
Pec n
Slime provides greater pathogenicity to bacteria and protects them against: A.
Pinocytosis
C.
Invasion
✓
B.
Phagocytosis
D.
Both a & b
The structures involved in ma ng process between bacterial cell (conjugated) are A.
Palsmids
C.
Mesosomes
✓
B.
Pilli
D.
Flagella
The difference between bacterial and eukaryo c cell membrane is the lack of A.
Lipds
C.
Phosphate
✓
B.
Cholesterol
D.
Proteins
B.
Replica on
D.
All of these
Mesosome helps in A. C.
Q.556
✓
Coenocy c mycelium occurs in:
✓ Q.551
Mode of nutri on
Bacteria are used in number of industries, including: C.
Q.546
Methods of reproduc on
Both a & b
Viruses are ________ parasites
A. Q.545
Totally new types of organisms
Circular double stranded DNA molecules in addi on to chromosomes in some bacteria
✓ Q.542
Page 34
Respira on Cell division
✓
Recent research on HIV reveals that the virus may mul ply in
✓
A.
Insects
B.
Pigs
C.
Monkey
D.
Donkey
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Q.558
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Q.561
What a acks immuno suppressed pa ents
✓
Q.565
Q.566
Q.567
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Q.571
Q.572
Q.573
✓
D.
Aspergillus fumigatus
B. D.
There are metabolically dormant bodies produced at the start of cell growth Heat sensi ve
A.
Thickness
B.
Length
C.
Width
D.
Diameter
B.
Cholesterol
D.
Uric Acid
A.
Pressure
C.
Glucose
✓
A.
80%
B.
70%
C.
50%
D.
30%
A.
Origin form one group
B.
Origin form one phylum
C.
Origin form one ancestor
D.
Origin form many ancestor
One of the following cyanobacterium is used as an indicator of pollu on A.
Nostoc
B.
Anabaena
C.
Oscillatoria
D.
Chroococcus
Phage DNA takes control of the host biosynthe c machinery in which?
✓
A.
Ly c cylce
B.
Lysogeny
C.
Both a & b
D.
None of these
Tobacco mosaic virus was crystallized by
✓
A.
Stanley
B.
Pasteur
C.
Ivanowski
D.
Chamber land
Red- de is caused by:
✓
A.
Gonyaulax
B.
Slime molds
C.
Diatm
D.
Ulva
It is mild short term and less virulent disease?
✓
A.
Hepa
sA
B.
Hepa
C.
Hepa
sC
D.
All of these
sB
Nostoc is common terrestrial and subaerial: A.
Bacteria
B.
Plant
C.
Cyanobacteria
D.
Algae
Misuse of tetracycline and its related compounds cause
✓ Q.570
Candida albicans
Yeast
Monophyle c lineage means:
✓ Q.569
C.
B.
Photosynthe c pro sts contribute percentage of global photosynthesis:
✓ Q.564
Purple ergot
Lovasta n is used for lowering blood:
✓ Q.563
A.
Which one first the defini on of spores: A. There are metabolically very ac ve bodies and are produced at a late stage of cell growth ✓ C. They are metabolically dormant bodies and are produced t late stage of cell growth The cell membrane or cytoplasm membrane is 5-10nm in:
✓ Q.562
Page 35
A.
Allergic reac ons
B.
Deafness
C.
Discolora on of teeth
D.
All these
B.
Tests
D.
Both a & b
B.
Calcium carbonate
D.
Sodium Hydroxide
Foraminifeans and ac nopods produce: A.
Shells
C.
Bullets
The shells of foraminifera made up of: A.
Silica
C.
Sponging fibers
✓ ✓
In endomycorrhizae, the fungal hyphae penetrate the outer cell of the plant root, forming: A.
Coils
C.
Minute
✓
B.
Swellings
D.
All a, b, c
Diplobacilli occur in:
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✓
Tetrad
C.
Sarcina
D.
Chains
B.
Ascomycetes
✓
D.
Deuteromycetes
✓
B.
1-10 μm
D.
10-100 μm
A.
Phycomycetes
C.
Basidiomycetes
A.
0.5-1 μm
C.
5-15 μm
A.
Trichonymphas
B.
Trypanosoma
C.
Euglena
D.
Vor cella
Invagina ons of cell membrane of a bacterial cell into the cytoplasm in the form of vesicular tubules or lamellae concerned with DNA replica on are A.
Endoplasmic re culum
B.
Lysosomes
C.
Mesosomes
D.
Plasmodesmeta
Which of the following is a resemblance of fungi with animals: A.
Mitosis
B.
Spores
C.
Chi n
D.
Hyphae
B.
Gene cs
D.
Classifica on
Species is the basic unit of : A.
Evolu on
C.
Ecology
✓
A.
Rhizopus
B.
Penicillium
C.
Aspergillus
D.
Candida
Pili are primarily involved in a ma ng process between cells called: A.
Plasmogamy
B.
Budding
C.
Akinetes
D.
Conjuga on
Ecological role of fungi as __________ is only paralleled by bacteria A.
Indicator
C.
Autotrophs Crystal violet - alCohol- Safranin - Iodine
B.
Iodine - Alcohol - Crystal Violet - Safranin
C.
Crystal violet - Iodine - Alcohol - Safranine
D.
Crystal violet - Iodine - Safranin - Alcohol
B.
Human Milk
D.
All of these
Tears Saliva
✓
A.
Neurospora
B.
Rhizopus
C.
Saccharomyces cerevisiae
D.
All of above
Who proposed the forma on of monera as a separate kingdom: A.
John Hogg
B.
Ernst Haeckel
C.
Herbert Copeland
D.
Robert Whi aker
Which is not true for giant Amoeba?
✓
Q.589
Decomposers
Which is used in baking of bread?
✓
Q.588
D.
Lysozymes are abundant in
✓
Q.587
Pathogen
A.
C.
Q.586
✓
B.
The exact sequence in the staining of bacteria is as:
A. Q.585
✓
Which fungus is found growing on and spoiling moist bread, fruit:
✓ Q.584
B.
The pro sts that live as symbionts in the guts of termites and help in the diges on of dry wood are:
✓ Q.582
Pairs
Cyanobacteria range in diameter from about:
✓ Q.579
A.
Sexual reproduc on is absent in:
✓ Q.578
Page 36
A.
Most primi ve of all eukaruote-like forms
B.
Obtains energy from methanogenic bacteria
C.
Contains all eukaryo c organelle
D.
Contribute to degrada on of organic molecule
One of the following is a serious infec on of lungs caused by inhaling of spores of a fungus found in soil contaminated with bird's faces A.
Aspergilosis
C.
Artherosclerosis
✓
B.
Ergo sm
D.
Ergo sm
Which of the following radia ons is used for steriliza on?
_______________________________________________________________________________________ Almiraj Academy Timber Market Ravi Road Lahore (0331-4033092)
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✓
Q.602
Q.603
Q.604
Q.605
C.
Gamma rays
D.
Ultraviolet rays
A.
Mycorrhizae
B.
Preda on
C.
Lichens
D.
Commensalism
A.
inside the root
B.
outside the root
C.
inside as well as outside the root
D.
not associated with root
A.
to 600 micrometer
B.
to 600 millimeter
C.
0.5 to 500 micrometer
D.
to 500 millimeter
A.
1946
B.
1892
C.
1935
D.
1835
B.
Myxomycota
D.
Red alga
B.
Cyanobacteria
D.
Golden brown algae
Which pro sts form spores a er meiosis? A.
Oomycotes
C.
Brown algae
Phycocyanin pigment is predominant phycobilin of: A.
Bacteria
C.
Diatoms
✓ ✓
The blooms of which one of the following make the red des A.
The euglenoids
C.
Diatoms
Which of the followings are called kelps: A.
Diatoms
C.
Red algae
✓ ✓
B.
Dinoflagellates
D.
Red algae
B.
Brown algae
D.
Green algae
Microbiologists place bacteria in ______ major categories
✓
A.
2
B.
4
C.
6
D.
8
When tu of flagellum is present on both sides of bacterium is termed as A.
Monotrichous
B.
Lophotrichous
C.
Amphitrichous
D.
peritrichous
A pure culture will produce disease if inoculated into ______ host
✓ Q.601
Beta rays
Stanley isolated viruses from the host cell of tobacco in:
✓ Q.600
B.
The size of bacterium cell is ranges from
✓ Q.594
Alpha rays
In endomycorrhizae the fungai hyphae remain
✓ Q.592
A.
The fungi involved in --------are mostly Ascomycetes and imperfect fungi, and few Basidiomycetes.
✓ Q.591
Page 37
A.
Alterna ve
B.
Weak
C.
Suscep ble
D.
Defini ve
B.
Bread
D.
Cheese
Pencillium species are used in giving flavor color and aroma to A.
Milk
C.
Alcohol
✓
Conidia are non-mo le, asexual spores which are cut of at the end of modified hyphae called: A.
Basidium
C.
Sporangiophores
B.
Ascus
D.
Conidiophores
B.
No segrega on
✓
D.
No disintegra on of nuclear envelops
✓
B.
Fungi
D.
Bacteria
✓
What is special features of nuclear mitosis? A.
No spindles
C.
no mito c apparatus
Most of the visible part of consists of : A.
Algae
C.
Roots
Conidia can survive for
✓
A.
Weeks
B.
Centuries
C.
Years
D.
Decades
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Which is member of Pyrrophyta:
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Q.616
✓ ✓
Q.619
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✓
C.
Both a & b
D.
Frequilaria
B.
Commensal associa on
D.
Lichen associa on
A.
Mycorhiza associa on
C.
Symbio c associa on
✓
A.
Gram posi ve
B.
Gram nega ve
C.
Equal in Permeability
D.
Any of these
A.
pellicle
B.
skin
C.
Ectoderm
D.
Integument
A.
Aerobic bacteria
B.
Anaerobic bacteria
C.
Obligate bacteria
D.
Faculta ve bacteria
The bacterial cell wall is composed of
✓
A.
Pep doglycan
B.
Glucagon
C.
Cellulose
D.
None of these
Not true for flagella in bacteria A.
Aid in mo lity
B.
Help detect chemical s muli
C.
Help to a ach to host surface
D.
Used to classify
B.
Nucleoid
D.
None of these
Factory of ribosome synthesis in Bacteria? A.
Nucleolus
C.
Chromosome
✓
The main energy reserves of green algae are stored as: A.
Cellulose
B.
Glycogen
C.
Starch
D.
Murein
B.
Reserve food
D.
Cytoplasm
Which can move from the pore present in septum? A.
Gametes
C.
Spores
✓
Five-kingdom system proposed by Margulis and Schwartz is not based on A.
Gene cs
B.
Cellular organiza on
C.
Nucleic acid
D.
Mode of nutri on
The size of the bacteria E.coli is ---- wide: A.
2.1- 1.5
B.
1.1- 2.5
C.
1.1 - 1.5
D.
2.1 - 2 .5
The heat that causes coagula on of proteins and kills the microbes:
✓
A.
Moist heat
B.
Dry heat
C.
Intense
D.
Mild heat
An bio cs affect
✓
A.
Bacteria
B.
Fungi
C.
Worms
D.
All of these
They are produced at late stage of cell growth
✓ Q.621
Gonvaulax
Bacteria which are able to grow in the presence of oxygen, are called:
✓ Q.618
B.
Ciliates are unicellular organisms with a flexible outer covering called a:
✓ Q.617
Cera um
Which bacteria are more permeable
✓ Q.615
A.
Cyanobacteria are photosynthe c partner in most of:
✓ Q.613
Page 38
A.
Capsule
B.
Cyst
C.
Spores
D.
All of these
The faculta ve parasite is one which: A. C.
Q.622
Always requires dead organic ma er B. Always requires a living host Is normally a parasite but ca also become a D. Is normally a saprophyte but can also become ✓ saprophyte a parasite Some strains of Aspergillus flavus produce one of the most carcinogenic mycotoxins called: A.
Alphatoxins
✓
B.
Aflatoxins
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D.
Aspergotoxins
A.
Coccus
B.
Spirllum
C.
Bacillus
D.
Vibrio
Cell walls of archaeobacteria do not contain
✓
A.
Pep doglycan
B.
Cellulose
C.
Chi n
D.
Cu n
Halogens and phenols, hydrogen peroxide, potassium per magnate, alcohol and formaldehyde are.
✓
A.
disinfectants
B.
an bio cs
C.
an sep cs
D.
an gens
B.
Starch
D.
Glycogen
B.
Sulfur
D.
Glycogen & oil
Reserved food material in cyanobacterial is: A.
Cellulose
C.
Glycolipid
✓
Fungi store surplus food in the form of A.
Starch
C.
Chi n
✓
Some blue green algae are linked to form filaments sheathed in mucus e.g.. A.
Anabaena
C.
Nostoc
✓
B.
Spirulina
D.
All a, b, c
The division of nucleus in fungus is called
✓
A.
Karyogamy
B.
Plasmogamy
C.
Sexual copula on
D.
None of these
The mutualis c associa ons between certain fungi and roots of vascular plants are called: A.
Lichens
C.
Commensalism
✓
B.
Mycorrhizae
D.
Both a & c
Brush-like arrangement of its conidia is characteris c of:
✓
A.
Penicillium
B.
Rhizopus
C.
Puccinia
D.
Saccharomyces
Gilis can be seen in: A.
Spirogyra
C.
Bacteria
✓
B.
Agaricus
D.
Rhizopus A protein capsid surrounds the nucleic acid por on of each virus. They exhibit some but not all of the characteris cs of living.
Which of the following does not describe viruses :
✓
A.
Each virus has both DNA and RNA in it.
B.
C.
Viruses are obligate intracellular parasites
D.
Chi n in the cell of fungi is A.
Hard
C.
Resistant to decay
✓
B.
Flexible
D.
All these
Shell of which one of the following is composed of interlocking cellulose plates
✓
A.
Dinoflagellates
B.
Diatoms
C.
Kelps
D.
Red algae
Which of the following are poisonous fungi:
✓ Q.637
Carcinotoxins
B. sub lis
✓ Q.624
Page 39
A.
Morels
B.
Truffles
C.
Toadstools
D.
Rust
A set of related genera would grouped into:
✓
A.
A family
B.
An order
C.
A species
D.
A class
Which of the following is used for lowering blood cholesterol?
✓
A.
griseofulvin
B.
cyclosporine
C.
lovasta n
D.
penicillin
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Immuniza on with a enuated cultures of bacteria is called
Q.651
✓
C.
Chemotherapy
Vaccina on
D.
None of these
Rhizoids
B.
Sporangium
C.
Stolon
D.
Columnella
A.
Diatoms
C.
Slime moulds
✓
B.
Dinoflagellates
D.
Choanoflagellates
B.
Blue green algae and sscomy cetes
D.
Green algae and ascomycetes
B.
Control of cell metabolism
D.
Movement
Most of lichens are composed of: A.
Blue green algae and basidiomycetes
C.
Green algae and phycomycetes
The func on of macronucleus of paramecium is: A.
Reproduc on
C.
Diges on
✓ ✓
In paramecium, the surface of the cell is covered with several thousand fine, short, hair like structure called: A.
Flagella
C.
pseudopodia
✓
B.
cillia
D.
cirri
During a achment weak chemical union is formed between virion and A.
Cell membrane
C.
Capsule
✓
B.
Receptor site
D.
Tail
The hyphae which lack septa and are in the form of an elongated mul nucleated large cell are called: A.
Septate hyphae
C.
Non-septate hyphae
✓
B.
Coenocy c hyphae
D.
Both b & c
The members of one of the following protozoan groups lack specific structure for locomo on,but move by flexing A.
Ciliates
C.
Amoebase
✓
B.
Zooflagellates
D.
Apicomplexans
The fungi arthrobotrys are : A.
Saprotrophs
B.
Parasites
C.
Predators
D.
Mutualis c
B.
Saprophy c
D.
Chemosynthe c
Bacteria which get their food from dead organic ma er are: A.
Parasi c
C.
Symbio c
✓
Hollow, non-filamentous, filamentous appendages that are smaller than flagella and primarily involved in conjuga on are A.
Pilli
B.
Plasmids
C.
Flagella
D.
Mesosomes
B.
Cilia
D.
Pseudopodia
B.
Histoplasmosis
D.
Ergo sm
B.
Ascomycetes
Amoeba moves with the help of: C.
Q.654
B.
A.
A. Q.653
✓
Two flagella, out of which one running in a transverse groove is a characteris c feature of:
✓
Q.652
An sepsis
The difference between the kingdom pro sta of Robert Whi aker and Margulis and Schwartz is: A. Whi aker placed simple organism in pro sta, B. Whi aker place unicellular organisms, while while margulis and schwartz placed complex Margulis and schwartz placed unicellular, and organism in pro sta simple mul cellular organism C. Whi aker do not placed fungi and fungi like ✓ D. Whi aker placed simple unicellular organism protest while margulis and schwartz did in pro sta, while margulis and schwartz placed complex organism in pro sta Diges ve enzymes are specifically secreted by which part of rhizopus
✓ Q.650
A.
Page 40
Flagella Pseudoplasmodium
✓
What cause nervous spasm, psycho c delusion, gangrene A.
Aspergillosis
C.
Migraine
✓
In which plasmogamy is immediately followed by karyogamy? A.
Basidiomycetes
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A.
Cnidarians
C.
Helminths
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Nematodes
B.
Ascomycota
Appropriate
D.
No other phylum
B.
Spore
D.
All of these
Conidia Budding
✓
A.
Cillia
C.
Flagella
✓
B.
Pseudopodia
D.
Chaetae
Key mutualis c associa ons of fungi is
✓
A.
Lichens
B.
Mycorhizae
C.
Nodules
D.
Rhizosphere
Louis pasteur do not synthesized the vaccine of: A.
Chicken cholera
C.
Anthrax
✓
B.
Small pox
D.
Rabies
B.
Basidiospore
D.
Zygospore
Which spore is diploid Ascospore Conidium
✓
The lifecycle of bacteriophage, which results the increase of infec on is A.
Temperate
C.
Non-virulent
✓
B.
Ly c
D.
Lysogenic
B.
Desmids
D.
Ulva
A green alga having sheet-like body is A.
Chlamydomonas
C.
Spirogyra
✓
Leeuwenhoek observed which of these to find out microbes? A.
Saliva
C.
Infusions
✓
B.
Vinegar
D.
All of these
B.
Monocytes
D.
Both A & C
AIDS virus can show adsorp on in A.
Helper T lymphocytes
C.
Some cells of CNS
✓
Algae having shells composed of two halves that fit together like Petri dish belong to:
✓
A.
Diatoms
B.
Brown algae
C.
Green algae
D.
Red algae
Mushrooms,rusts, smuts, puff balls and bracket fungi belong to A.
Sac fungi
C.
Fungi imperfec
✓
B.
Club fungi
D.
Molds
The structure present in between capsule and cell membrane of bacteria A.
Slime
B.
Flagella
C.
Cell wall
D.
Basal body
An irregular dense area in a bacterial cell formed by a single circular, double-stranded DNA molecule is A.
Mesosome
B.
Plasmid
C.
Nucleoid
D.
Cyst
In the two kingdom system which of the following would characterize animal:
✓ Q.671
D.
Amoebas move by forming specialized cytoplasmic projec ons called:
✓ Q.670
Sponges
Asexual reproduc on it fungi is usually take place by
✓ Q.669
B.
Zygomycota
C.
Q.663
✓
C.
A. Q.662
Deuteromycetes
A.
C.
Q.659
D.
When sexual structures are found for the imperfect fungus, it is placed in
A. Q.658
Zygomycetes
Choanoflagellates are of special interest because of their resemblance to collar cells in:
✓ Q.657
C.
Page 41
A.
Inability to move
B.
Cellulose cell wall
C.
Inges on of food
D.
Photosynthesis
In eukaryotes flagella originate from
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Basal bodies
B.
Cell wall
C.
Cell membrane
D.
Cytoplasm
B.
20 nm
D.
25 nm
A.
250 nm
C.
20pm
✓
In all algae, in addi on to green chlorophyll a, also found yellow and orange: A.
Xanthophylls
B.
Phycoerythrin
C.
Carotenoids
D.
Phycobilin
During Gram staining posi ve bacteria are stained
✓
A.
Purple
B.
Pink
C.
Blue
D.
Red
The plasma membrane and every thing present within is known as:
✓
A.
protoplast
B.
chloroplast
C.
plasmaplast
D.
cytoplast
B.
Fungi
D.
All these
B.
Gram +ve bacteria
D.
All of these
Cynaobacteria form symbio c associa on with A.
Protozoa
C.
Nitrogen fixing species
True pilli are only present on A.
Gram -ve bacteria
C.
Mycoplasma
✓ ✓
The feeding stage of a slime mold is:
✓
A.
Plasmodium
B.
Blastostyle
C.
Gastrozooid
D.
Sporozoite
In saprobes, certain modified hyphae that anchor the fungus to the substrate are called: A.
Sporangiophores
C.
Conidiophores
✓
B.
Stolons
D.
Rhizoids
Streptococous and Staphylococcus are ________ to __________ micrometer in diameter
✓ Q.681
A.
Parvoviruses have a size of
✓ Q.674
Page 42
A.
0.1-600
B.
1.1-1.5
C.
0.75-1.25
D.
2.0-4.0
Some fungi are also used for:
✓
A.
Bioremedia on
B.
Biogas
C.
Bio Osmosis
D.
Biophysics
Tumor viruses are composed of
✓
A.
Single stranded RNA
B.
Coiled RNA
C.
Double stranded RNA
D.
DNA
The plasmodial slime mold that is a model organism is:
✓
A.
Physarum polycephalum
B.
Phytophthora infestans
C.
Us lago tri ci
D.
Frequliaria
Aspergillus, Penicillium and Alternaria reproduce asexually by forma on of A.
Buds
C.
Zygospores
✓
B.
Conida
D.
Ascospores
Physarum polycephalum is used as model organism in body for the study of: A.
MItosis
C.
Methods of reproduc on
When cocci a long chain of cells the arrangement is said to A.
Diplococcus
C.
Sarcina
✓ ✓
B.
Streaming movement of cytoplasm
D.
Methods of locomo on
B.
Streptococci
D.
Staphylococcus
Yeasts, morels, truffles, powdery mildews and molds are typical example of: A.
Zygomycetes
C.
Basidiomycetes
✓
B.
Ascomycetes
D.
Deuteromycetes
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Rusts and smuts come under
✓
Notorious
B.
Delicacies
C.
Slime molds
D.
Diatoms
A.
Interphase
B.
Division
C.
Genera on me
D.
Binary fission
An alga in which body is complex and composed of delicate, feathery interwoven filaments
✓ Q.691
A.
The interval of me un l comple on next division in bacteria is
✓ Q.690
A.
Laminaria
B.
Volvox
C.
Polysiphonia
D.
Ulva
Which give blue color to the colony of penicillium A. C.
Q.692
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Q.694
Q.695
Q.696
Q.698
Q.699
Q.700
Q.701
Q.702
Q.704
Conidiophores
A.
Diplobacillus bacterium
C.
Sarcina
An example of sessile ciliate is A.
Paramecium
C.
Vor cella
Sarcina is made up of how many cocci A.
4
C.
12
In 1796 Edward jenner first vaccinated 8 years old boy for A.
Chicken pox
C.
Cow pox
B.
Rhizoids
✓
D.
Conidia
✓
B.
Spiral bacterium
D.
Tetrad
B.
Stentor
D.
Balan dium
✓ ✓ ✓
B.
8
D.
6
B.
Small pox
D.
Rabies
Ringworm and athlete's foot are superficial fungal infec ons caused by A.
Zygomycetes
B.
Deuteromycetes
C.
Ascomycetes
D.
Basidiomycetes
The basic unit of classifica on is
✓
A.
Species
B.
Genus
C.
Phylum
D.
Kingdom
Lipid absent in the membrane of bacteria A.
Wax
C.
Phospholipids
✓
B.
Sterals
D.
Acylglycerol
B.
Tetrad
D.
Diplococcus
If the cocci occur in pairs, the arrangement is termed A.
Sarcina
C.
Cocci
✓
Which of the following bacteria can detect and move in response to chemical signals? A.
Atrichous
C.
Aerobic
✓
B.
Flagellate
D.
Anaerobic
B.
Ribosomes
D.
Cell wall
Of the following which one is not found in all bacteria A.
Chroma n bodies
C.
Cell membrane
✓
Because of their fermen ng ability, yeasts (Saccharomyces cerevisiae) are used in the produc on of:
✓ Q.703
Hyphae
Hyphomicrobium is a _________
✓ Q.697
Page 43
A.
Bread
B.
Liquor
C.
Both a & b
D.
Cheese
Beware of poisonous mushrooms called the toadstools, such as: A.
Death cap/death angel
C.
Jack-O latern mushroom
✓
B.
Amanita
D.
All a, b, c
The group algae possesses representa ve belonging to kingdom.
✓
A.
Pro sta
B.
Monera
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C.
1948
✓
B.
1983
D.
2001
A.
Penicillin only
C.
Broad range of an bio cs
✓
B.
Streptomycin only
D.
All of these
A.
Metabolism
B.
Growth
C.
Both a & b
D.
Sexual process
The nuclear material or DNA in bacterial cells is a single, circular and: A.
Single stranded
C.
Ter ary
✓
B.
Double stranded
D.
Quaternary
Which one of the following type of asexual reproduc on is not found in fungi? A.
Budding
C.
Fragmenta on
✓
B.
Binary fission
D.
Spores
The diameter ranging 0.75 to 1.25 u has been observed in: A.
Staphylococci
C.
Diploccci
✓
B.
Streptococci
D.
Both a & b
Branched extensively, body of a fungus is called: A.
Filamentous
B.
Plant
C.
Mycelium
D.
Hyphy
B.
Feulgen stain
D.
Haematoxylin
Nucleoid is visible in the light microscope a er staining with: A.
Gram stain
C.
Eosin stain
✓
The algal components of lichens are present within the:
✓
A.
Hyphae
B.
Roots
C.
Rhizoids
D.
Sporangium
Pro sts with two nuclei
✓
A.
Ac nopods
B.
Zooflagellates
C.
Ciliates
D.
Apicomplexans
Bacteria that are fully dependent upon their host for their nutri on are termed
✓
A.
Parasi c bacteria
B.
Autotrophic bacteria
C.
Chemoshynthe c bacteria
D.
Faculta ve bacteria
Which of the following is pathogenic fungi: A.
Truffles
B.
Morels
C.
Rust
D.
Penicillin
Pleurotus ostreatus is
✓ Q.718
1999
Slime molds
A large, polyploidy macronucleus of ciliates controls cells:
✓ Q.717
A.
D.
Viruses are resistant to
✓ Q.712
Plantae
Prions were discovered in
✓ Q.708
Page 44
A.
Saprotrophic
B.
Parasi c
C.
Predatory
D.
Symbio c
B.
Fungi imperfec
D.
Molds
B.
Male anopheles
D.
Female anopheles
B.
Lysozome
D.
Lysozyme
All fungi can reproduce sexually except A.
Sac fungi
C.
Club fungi
✓
Malarial parasite is carried to the host by. A.
Male culex
C.
Female culex
✓
Which enzyme is produced by a phage A.
Reverse transcriptase
C.
Invertase
✓
Which are mainly used in phage study
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A.
T2phage
B.
T4phages
C.
Both
D.
None of these
Five kingdom system proposed by Margulis and schwartz is not based on:
✓
A.
Nucleic acid
B.
Gene cs
C.
Mode of Nutri on
D.
cellular Organisms
B.
Ribosomes
D.
Nucleoid
The protein factories in a bacterial cell are A.
Mesosomes
C.
Golgi bodies
✓
The terms procario que and eu-cari que were introduced by
✓
A.
E-Cha on
B.
Margulis and Sachwartz
C.
Robert Whi aker
D.
Ernst Haeckel
B.
Amaltas
D.
All of above
Cassia fistula is the scien fic name for: A. C.
Q.726
Page 45
Argvad Golden Shower
✓
Scien fic name has advantages of having :
✓ B. Scien fic bases and universally accepted No scien fic bases Same organisms having different names in D. Same name applied to different organisms different areas The procedures to eliminate or reduce the possibility of infec on are: A. C.
Q.727
A. C. Q.728
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Q.730
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Q.732
Q.733
Q.734
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An bio cs
B.
An gens
D.
An sepsis
B.
Algae and higher plants
✓
D.
Algae and fungi
✓
B.
Flow of materials
D.
Chi n
✓
lichens represent symbio c rela onship between: A.
Rhizobium and roots
C.
Algae and bacteria
Which property enables the hyphae to grow rapidly? A.
Septa
C.
Mul ple nuclei
Retroviruses are
✓
A.
Mostly host specific
B.
Mostly some specific
C.
Always non specific
D.
Always host specific
An amoeba feeds on small organisms and par cles of organic ma er by phagocytosis, engulfing them with its: A.
Cilia
C.
Tentacles
✓
B.
Flagella
D.
Pseudopodia
Chemical substances used on living ssues that inhibit growth of microorganisms are called
✓
A.
An sep cs
B.
Disinfectants
C.
An bio cs
D.
Chemotherapeu c agents
B.
Chl b
D.
None of these
Photosynthe c bacteria posses A.
Chl a
C.
Chl c
✓
Which protozoan resembles the form which the animals evolved: A.
Amoeba
C.
Plasmodium
✓
B.
Euglena
D.
Paramecium
Faculta ve bacteria can grow
✓ Q.736
An bodies
A.
In the presence of oxygen
B.
In the absence of oxygen
C.
Both a & b
D.
None of these
Bacteria are
✓
A.
Haploid
B.
Diploid
C.
Triploid
D.
No rela on
Capsid of polio virus is
✓
A.
Spherical
B.
Helical
C.
Cylindrical
D.
None of these
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Q.739
Bacterial membrane differs from eukaryo c membrane in lacking sterols such as
✓
Q.741
Q.742
Q.743
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Lac c acid
C.
Ace c acid
D.
Alcohol
A.
Hold fast
B.
Nutri on
C.
Mo lity
D.
None
A.
monotrichous
C.
lophotrichous
✓
B.
atrichous
D.
amphtrichous
A.
Budding
C.
Spores
✓
B.
Conidia
D.
Zygospores
The bacterium which is 1.1 to 1.5 μm wide by 2.0 to 6.0 μm long, is: A.
Salmonella typhi
C.
Closteridium botulinum
✓
B.
Escherichia coli
D.
Campylobacter
The major cell infected by HIV is A.
B-lymphocyte
B.
T-lymphocyte
C.
Helper T-Lymphocyte
D.
Suppressor T lymphocyte
Which of following is anaerobic bacteria: A.
Pseudomonas
B.
Escherichia coli
C.
Spirochaeta
D.
Campylobacter
Which of the following is an edible fungus? A.
Morchella
C.
Penicillium
✓
B.
Agaricus
D.
Both a and b
Zooflagellates possess from one to many long, whip-like:
✓ Q.747
B.
All of the followings are methods of asexual reproducing in fungi except
✓ Q.745
Cholestrol
The condi on in which Bacteria are without any flagella is called:
✓ Q.744
A.
Primary func on of flagella
✓ Q.740
Page 46
A.
Tentacles
B.
Cilia
C.
Flagella
D.
Pseudopodia
Which of the following is structural component of fungus cell wall?
✓
A.
Chi n
B.
Pep doglycan
C.
Cellulose
D.
Lignin
B.
legs
D.
pili
B.
Silica
D.
Iron
Hollow, nonhelical,filamentous appendages in bacteria are: A.
Cilia
C.
flagella
Tests of ac nopods are made of: A.
Calcium
C.
Spongin
✓ ✓
One of the followings sis used in gene c/molecular biology research because of rapid genera on and rapidly increasing pool of gene c and biochemical informa on A.
Penicillin
C.
Mushroom
Bactrim having tu of flagellum at its two poles is called: A.
Cepharlotrichous
C.
Lophotrichous
B.
Toadstools
✓
D.
Yeasts
✓
B.
Peritrichous
D.
Amphitrichous
Cells in __________ can also be infected by HIV in addi on to Lymphocytes A.
Kidney
C.
Lungs
✓
B.
CNS
D.
Spinal Fluid
Bacteria that can synthesize organic compounds from simple inorganic substances are known as:
✓
A.
Autotrophs
B.
Heterotrophs
C.
symbionts
D.
Lichen
Plasmid are
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✓
Q.770
Circular single stranded DNA
B.
Double stranded RNA
C.
Circular double stranded DNA
D.
Essen al for growth of DNA
A.
Sexual contacts
B.
Malnutri on
C.
Deficiency of proteins in the blood
D.
All of these
The smallest bacteria are approximately the size of the largest viruses i.e., A.
Paramyxoviruses
C.
parvoviruses
✓
B.
adenoviruses
D.
poxviruses
Yeasts ferment carbohydrates (glucose) to
✓
A.
Ethanol + CO2
B.
Ethanol
C.
Lac c acid
D.
None of these
Abuse of cyanobacteria A.
Reclama on of alkaline soil
B.
Fixa on of atmospharic nitrogen
C.
Water blooms
D.
Pollu on indicators
B.
Double stranded DNA
D.
Single Stranded DNA
The nucleic acid of bacteriophages is mostly A.
Single stranded RNA
C.
Double stranded RNA
✓
Choanoflagellates are named so because of presence of
✓
A.
Collared cells
B.
Flagellated cells
C.
Ciliated cells
D.
Collared flagellated cells
Bacteria increase in number by an asexual means of reproduc on called:
✓
A.
binary fission
B.
budding
C.
regenera on
D.
mul ple fission
During _______, the phage directs the cell's metabolism to produce viral components A.
Adsorp on
C.
Induc on
✓
B.
Penetra on
D.
Sysnthesis
The phenomenon of having different kinds of nuclei in the same mycelium is called:
✓
A.
Monokaryo c
B.
Mul nucleate
C.
Heterokaryo c
D.
All of these
It is one of the commonest diseases of childhood
✓
A.
Mumps
B.
Measles
C.
AIDS
D.
Small Pox
Mycellium refers to
✓
A.
Fungal body
B.
Coenocy c hyphae
C.
Septate hyphae
D.
Haloid nuclei
B.
Acquired immunodeficiency syndrome
D.
B-lymphocyte
Which one is false about AIDS A.
HIV
C.
Host specific
✓
Fpulopisclum fisheloni gows as large as 600um by ---------um.
✓
A.
80
B.
70
C.
90
D.
60
Most of bacilli and spiral shaped bacteria have:
✓ Q.769
A.
Aids is mostly occurred by
✓ Q.759
Page 47
A.
Cilia
B.
Pseudopodia
C.
Flagella
D.
Cirri
Penicillium species are used for giving flavour, aroma (smell) and characteris c colour to some:
✓
A.
Cheese
B.
Bread
C.
Liquor
D.
Jams
B.
Dikaryon
D.
Both a and b
When two nuclei of fungus are joined to form A.
Dikaryo c
C.
Heterokaryon
✓
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The plasma membrane and everything present within is known as:
✓
Q.777
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A.
Protoplast
B.
Cytoplasm
C.
Protoplasm
D.
Nucleoplasm
Spores are resistant to adverse physical environment condi on such as: A.
High temperature
C.
Chemical agents
B.
Desica on
✓
D.
Al a, b, c
B.
Fragmenta on
✓
D.
All these
Cyanobacteria reproduce by A.
Binary fission
C.
Akinetes
In general appearance helical phages posses which shape?
✓
A.
Rod
B.
Spiral
C.
Cubical
D.
None of these
------- possess leaf like blades stemlike s pes and roo ke anchoring holdfast:
✓ Q.776
Page 48
A.
Eucalyptus
B.
Agaricus
C.
Kelps
D.
Phytophotora
B.
Chi n
D.
Murein
A cell material present in bluegreen algae and bacteria is: A.
Cellulose
C.
Pec n
✓
Phytophoto is cause which o he following diseases in potato: A.
Fire blight
C.
Red algae
The common pathogens of humans are A.
Viruses
C.
Fungi
✓ ✓
B.
Late blight
D.
Green algae
B.
Bacteria
D.
Cyanobacteria
Which algae take part in the forma on of coral reefs along with coral animals?
✓
A.
Red
B.
Brown
C.
Green
D.
All of these
Which one of the following op on has one long and one short flagella:
✓
A.
Gonyaulax
B.
Cera um
C.
Euglena
D.
Macrocys s
Potato blight is caused by an organism of which group? A.
Myxomycota
C.
Foraminifera
✓
B.
Oomycotes
D.
Apicomplexans
B.
Anaerobic
D.
Faculta ve anerobe
E. coil is an A.
Aerobic
C.
Faculta ve aerobe
✓
Bateria range in size form about 0.1 to ......... um over a single dimension. A.
500
C.
700
✓
B.
600
D.
800
Chemotherapeu c agents which work with natural defense and stop the growth of bacteria A.
An sep cs
C.
Electromagne c radia on
✓
B.
Disinfectants
D.
An bio cs
In bacteria the complexes of layer external to the cell protoplasm are called
✓
A.
cell envelope
B.
cell wall
C.
slime
D.
capsule
B.
Pythium
D.
Chlorella
Example of faculta ve parasite: A.
Phytophthora
C.
Peronospora
✓
Different groups of fungi produce different types of haploid sexual spores, such as: A.
Basidiospores
B.
Ascospores
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Basidium
B.
Spores
C.
Sporangium
D.
Conidium
A.
They perform photosynthesis like plants
C.
Their pigments are plants are plant like
A.
AIDS
C.
Mumps
Starch is reserve food material
D.
All of these
✓
B.
Hepa
D.
Nephrosis
s
A.
Cholera
B.
Mo on
C.
Dysentery
D.
Fever
B.
Phagocyte resistance
D.
Both a & b
Which is role of slime? A.
Pathogenicity
C.
S cky nature
✓
Some members of genus mycoplasma are A.
100-200mm
B.
100-200mu
C.
100-200nm
D.
Both b & c
Fungi play important ecological role as
✓
A.
Decomposers
B.
Bio-indicators
C.
Nitrogen xers
D.
All these
Which filtrate from a lysed colony can transfer ly c effect to healthy colony A.
Virus free
C.
Bacteria free, dilute soln
Rapid phase of growth of bacteria is: A.
Lag
C.
Sta onary
Hepa
✓
B.
Bacteria free, Concentrated soln
✓
D.
Both B & C
✓
B.
Log
D.
Decline/Death
s C is called
A.
Non A non B
B.
Infusion hepa
C.
Infec ous
D.
Both a & b
s
Tail core is forced into the cell by contrac on of which of the following? A.
Head
C.
Collar
✓
B.
Tail sheath
D.
None of these
B.
Neurospora
D.
Aspergillus
Which is used in produc on of soya sauce, Soya paste? A.
Cyclosporine
C.
Griseofulvin
✓
Oral and vaginal thrush also called candidosis are caused by A.
Aspergillus
C.
Rhodotorula
✓
B.
Candida aib cans
D.
Neurospora
Prions may be simply infec ous A.
DNA
B.
RNA
C.
Proteins
D.
Both a & b
B. D.
The have cilia as locomotory organs They cell wall of each diatom consists of two shells
Which characteris c of the following is not shown dy diatoms: A. C.
Q.803
B.
✓
Entamoeba histoly ca,cause amoebic:
✓ Q.802
Conidiospores
A.
Which is referred to as the inflamma on of liver
✓ Q.794
D.
Green algae are supposed to be ancestor of plants because:
✓ Q.792
Both a & b
Frui ng body formed of slime moulds is:
✓ Q.789
C.
Page 49
They are usually unicellular Herir pigments are chlorophyll a, Chlorophyll c, Carotenes and Fucoxanthin Which of following belongs to imperfect fungi:
✓
✓
A.
Fusarium
B.
Us lago
C.
Rhipopus
D.
Yeast
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These bacteria are smallest and without cell wall
✓
Q.808
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Q.811
✓
Q.813
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Q.815
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Q.818
Q.819
Q.820
Mycoplasma
B.
spirochete
C.
pseudomonas
D.
E. coli
A.
Trichonymphas
B.
Trypanosoma
C.
Euglena
D.
Vor cella
Unit of classifica on in between class and family A.
Genus
B.
Species
C.
Order
D.
Phylum
Epulopiscium fishelsoni grows as large as 600 um by ...um.
✓
A.
80
B.
70
C.
90
D.
60
Most sac-fungi have asci inside macroscopic frui ng bodies called: A.
Basidia
C.
Ascodiua
✓
B.
Ascosphores
D.
Ascocarps
B.
Lignin
D.
cellulose and lignin
B.
2000
D.
2001
Fungi are principal decomposers of A.
cellulose
C.
chi n
✓
Vaccina on for HIV on experimental basis has been started in? A.
1999
C.
2004
✓
Which is used as source of hydrogen during photosynthesis by autotrophic bacteria
✓ Q.812
A.
Complex, specialized flagellates with many flagella are:
✓ Q.807
Page 50
A.
CO2
B.
H 2O
C.
H 2S
D.
HNO3
A bacterium without flagellum is called:
✓
A.
Atrichous
B.
Monotrichous
C.
Lophotrichous
D.
Amphitrichous
In cyanobacteria, filaments consis ng of trichomes are surround by: A.
Mucilaginous covering
C.
Mucilaginous envelope
✓
B.
Mucilaginous wall
D.
Mucilaginous sheath
Algae which are known to have occasional popula on explosion or blooms are:
✓
A.
Dinoflagellates
B.
Zooflagellaes
C.
Diatoms
D.
Euglenoids
Which of the following is used for lowering blood cholestrol?
✓
A.
Griseofulvin
B.
Cyclosporine
C.
Lovasta n
D.
Penicillin
B.
Chicken cholera
D.
Small pox
B.
Ac nopods
D.
Diatoms
About 1880 Pasteur isolated the bacterium, responsible for: A.
Rabies
C.
anthrax
✓
The cell wall consists of two shells that overlap like a petridish: A.
Foraminifera
C.
Slime molds
Which one of following forms coral reefs: A.
Amoebas
C.
Apicomplexans
✓ ✓
B.
Red algae
D.
Clientes
The largest and most diverse group of photosynthe c bacteria
✓
A.
Cyanobacteria
B.
Mycoplasma
C.
Archaeobacteria
D.
Green sulphur bacteria
B.
Archaebacteria
Pep doglycans are absent in the cell wall of: A.
Eubacteria
✓
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✓
C.
Two sets of chromosomes
A.
Bryophyte
C.
Fungi
Q.835
D.
Single DNA molecule
B.
Algae
✓
D.
Lichen
B.
ergo sm
C.
arteriosclerosis
D.
histoplamosis
B. D.
Always requires a living host Is normally a saprophyte but can also become a parasite
A.
Always required dead organic ma er
C.
Is normally a parasite but can also become a
A.
Animals
B.
Bryophytes
C.
Algae
D.
Angiosperms
A.
Ma ng
B.
A achment
C.
Both a & b
D.
Movement
Chemotherapeu c chemical substances which are used in treatment of infec ous disease are: A.
An bodies
B.
An gens
C.
An bio cs
D.
Disinfectants
Bacterial species known to cause disease in humans are approximately: A.
50
B.
100
C.
200
D.
300
Conjuga on takes place in:
✓
A.
Ciliates
B.
Apicomplexans
C.
Ac nopoda
D.
Foraminiferas
B.
Ar ficial cultures
D.
Discolora on of teeth
A enuated cultures of bacteria used as A.
Pure cultures
C.
Both
✓
Food reserve material in fungi is mainly A.
Starch
B.
Glucose
C.
Oil and glycogen
D.
Fat
B.
It coated with an air ght shield
D.
Cannot metabolize
An isolated virus is not considered living since it: Separates into two inert parts Rapidly loses its genome chemically inert
✓
During 1st step of reverse transcrip on which is used as template?
✓
A.
DNA
B.
Single stranded RNA
C.
Both a & b
D.
Double stranded RNA
The organisms having characteris cs that exclude them from the other four kingdorns are included in the kingdom
✓
A.
Pro sta
B.
Plantae
C.
Animalia
D.
Monera
Which can be sterilized by membrane filters
✓ Q.836
✓
aspergilosis
C.
Q.834
A pair of chromosomes
A.
A. Q.833
B.
Pilli are involved in which process?
✓ Q.832
A pair of DNA
The closest rela ve of fungi
✓ Q.829
A.
A faculta ve parasite is one which:
✓ Q.828
All of these
One of the following is a serious infec on of lungs caused by inhaling of spores of a fungus in soil contaminated with bird's feaces
✓ Q.827
D.
Reindeer moss is a
✓ Q.825
Cyanobacteria
Bacterial cells have
✓
Q.824
Page 51
A.
Mix products
B.
Surgical instruments
C.
An bio c
D.
None of these
Macronucleus is ciliates is
✓
A.
Haploid
B.
Diploid
C.
Polypoid
D.
Apolypoid
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Vibrio is curved or comma shaped:
Q.842
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Q.844
Q.845
Q.846
✓
Q.848
Q.849
Q.850
Bacillus
Rod Spiral
Pox virus
B.
Adenovirus
C.
Parvovirus
D.
Polio virus
B.
Filtra on
D.
Hea ng
A.
Radia on
C.
Steriliza on
✓
A.
Aerobic bacteria
B.
Anaerobic bacteria
C.
Faculta ve bacteria
D.
Microaerohilic
Phlogeny describes a species:
✓
Evolu onary History B. Reproduc ve compatabili es with other D. spicies Penicillin, first an bio c to be ever discovered is obtained from:
✓
A. C.
Geographic Distribu on Morphological similari es with other species
A.
Penicillium notatum
B.
penicillium nigricans
C.
Penicillium albicans
D.
Penicillium flavus
Fungi show difference form animals in which of the following character: A.
Chi n
C.
Nuclei
✓
B.
Nutri on
D.
Cytoplasm
Which is member of Chrysophyta:
✓
A.
Diatoma
B.
Euglena
C.
Macrocys s
D.
Uiva
Flagellum is made up of protein:
✓
A.
Flagellin
B.
Tubulin
C.
Insulin
D.
Globin
RNA retroviruses have a special enzyme which synthesizes the A.
Proteins
B.
RNA
C.
DNA
D.
DNA & RNA
Kingdom monera includes:
✓
A.
Procaryotes
B.
Eucaryotes
C.
both procaryotes and eucaryotes
D.
Viruses
B.
Icosahedral
D.
Rod shaped
B.
Cell division
D.
Both a & b
In general appearance the helical phages are A.
Cubical
C.
Polyhedral
✓
Mesosomes are involved in: A.
DNA Replica on
C.
RNA relica on
✓
An average coccus is about .......micrometer (um) in Diameter. A.
0.1 _ 0.5
B.
1.0 _ 2.0
C.
0.5 _ 1.0
D.
0.2 _ 0.7
B.
Spirochete
D.
None of these
A thick rigid spiral is called C.
Vibrio Spirillum
✓
Which is mostly obligate parasites?
✓ Q.853
B. D.
A.
A. Q.852
✓
E.coli is an
✓ Q.851
Coccus
C.
Hormones and scrum are sterilized by:
✓ Q.847
A.
250nm is the size of which of the followings?
✓ Q.841
Page 52
A.
Anthrobotrys
B.
Mushrooms
C.
Rust
D.
Basidiomycetes
B.
Pilobolus
Which could have a long dikaryo c stage? A.
Mildews
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✓
Q.863
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Cell wall
B.
Cell membrane
C.
Pellicle
D.
Cilia
A.
monotrichous
B.
atrichous
C.
lophotrichous
D.
amphtrichous
B.
Hormogonium
D.
Karyogamy
A.
Budding
C.
Fragmenta on
✓
A.
1747
B.
1748
C.
1758
D.
1753
The photosynthe c system of cyanobacteria closely resembles that of eukaryotes because they have: A.
Chlorophyll a
C.
Xanthophylls
✓
B.
Photosystem II
D.
Both a & b
Carolous Linneaus divided all known forms of life into two kingdoms, the plants and
✓
A.
Animals
B.
Prokaryotes
C.
Monera
D.
Pro sta
The core present inside the tail of the phage is composed which? A.
DNA
B.
RNA
C.
Proteins
D.
None of these
Fungi form mutualis c or symbio c associa ons in: A.
Lichens
B.
mycorrhizae
C.
Both a & b
D.
Commensalism
Diameter of E.coli is __________ to _______ micrometer
✓
A.
1.1-1.5
B.
1.1-1.6
C.
2.0-4.0
D.
2.0-6.0
B.
Mycoplasma
D.
Staplylocois
B.
Pigment
D.
High folded membranes
The smallest bacteria is: A.
E.coli
C.
Epulopiscium
✓
Mesosome is: A.
Nuclear
C.
Ribosome
✓
Which of the following n is frui ng body:
✓ Q.866
A.
Linnaeus published his list of animals in:
✓ Q.862
Aspergillus
---------- is simple breaking of mycelium of some fungal hyphae.
✓ Q.861
D.
The condi on in which bacteria have a single polar flagellum is called:
✓ Q.858
✓
The shape of the cliates is maintained by structure:
✓ Q.855
Rhizopus
Page 53
A.
Conidia
B.
Basidiospore
C.
Basidiocarp
D.
Spore
The ac nopods with glassy shells are
✓
A.
Radiolarians
B.
Foramniferans
C.
Apicomplexans
D.
Ciliates
B.
100,000
D.
20,000
How many species of fungi are known? A.
10,000
C.
1 million
✓
Collec ve complexes of layers external to protoplasm are called A.
Capsule
C.
Cell wall
✓
B.
Slime capsule
D.
Cell envelope
The organism that obtains carbon and energy from organic ma er is
✓
A.
Heterotroph
B.
Autotroph
C.
Chemosynthe c
D.
Parasite
The accessory pigments in cyanobacteria
_______________________________________________________________________________________ Almiraj Academy Timber Market Ravi Road Lahore (0331-4033092)
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B.
Bacteriochlorophyll
C.
Phycobilins
D.
All these
B.
Bacilli
D.
Vibrio
A.
Cocci
C.
Spirilla
✓
A.
Conidia
B.
Budding
C.
Spore forma on
D.
Fragmenta on
Which of the followings very rarely has flagella
✓
A.
Bacilli
B.
Cocci
C.
Spirilia
D.
Vibrios
In staphylococus arrangement cocci are arranged in irregular,o en: A.
banana-like clusters
C.
berry-like clusters
✓
B.
grape-like clusters
D.
cherry-like clusters
In Linneaus binomial nomenclature system the first name refers to the genus and is called
✓
A.
Generic name
B.
Species name
C.
Common name
D.
Family name
B.
curly colied
D.
spirally colied
The spiral shaped bacteria are: A.
helically coiled
C.
cochlearly colied
✓
Misuse of an bio c such as penicillin can cause:
✓
A.
Allergic reac ons
B.
Headache
C.
Deafness
D.
Mental retardness
B.
Chicken cholera
D.
Whooping cough
In 1880's Pasteur isolated the bacterium of A.
Anthrax
C.
Rabies
✓
Penicillium (blue, green molds), Aspergillus (brown molds), Alternaria, Fusarium, Helminthosporium are some of the economically important genera of: A.
Zygomycetes
C.
Basidiomycetes
✓
B.
Ascomycetes
D.
Deuteromycetes
Ovary of wheat is damaged by which hyphae in case of smut A.
Monokaryo c
B.
Coenocy c
C.
Dikaryo c
D.
None of these
B.
Fungal partner
D.
Cu cle
B.
Polio virus
D.
Both a & c
The visible part of lichen mostly consists of A.
Algal partner
C.
Epidermis
Which of the following is not DNA virus A.
Pox virus
C.
Herpes virus
✓ ✓
Parasi c bacteria are fully dependent on their host for their:
✓ Q.884
Carotenes
Which kind of reproduc on is not merely Asexual?
✓ Q.881
A.
Anthrax is sheep is caused by
✓ Q.873
Page 54
A.
Respira on
B.
Excre on
C.
Nutri on
D.
Growth
The following is an example of saprophytes:
✓
A.
Mushroom
B.
Lichen
C.
Unicellular algae
D.
Ferns
Photosynthe c pro sts, carrying out probably 50 to 60 percent of all the photosynthesis on earth are. A.
Fungi
C.
Molds
✓
B.
Algae
D.
Flagellate protozoans
B.
Streptococci
The most ancient bacteria are A.
Escherichia coli
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Created By: Armghan Saeed C. Q.887
Q.888
Q.889
Q.890
Which of the following is a bloom-forming organism?
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A.
Lichens
C.
Bacteria
✓
Q.897
✓
Q.899
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Q.902
D.
Choanoflagellates
An sepsis
B.
Immuniza on
Vaccina on
D.
Steriliza on
A.
Diplococcus
B.
Staphylococcus
C.
Streptococcus
D.
Sarcina
A.
Fungus
B.
Mold
C.
Yeast
D.
Pahtogen
B.
Purple non sulfur
✓
D.
Nitrifying
B.
Algae
✓
D.
Fungi
A.
Green sulphur
C.
Purple sulfur
Mycologists are scien sts who study: A.
Mucus
C.
Pro sts
-------- have played infamous roles in human history as they were the cause of Irish potato famine of the 19th century. Entamoeba Histoly ca Physarum polycephalum
✓
B.
Trypanosoma gambiense
D.
Phytophthora infestans
The amount of pep doglycan in the bacterial cell wall is A.
35-40%
B.
45-50%
C.
50%
D.
60%
Photosynthe c bacteria possess chlorophyll which differ from the chlorophyll of: A.
Yellow plants
C.
Blue Green plants
✓
B.
Green plants
D.
Purple Plants
Membra fillers are used to sterilize heat sensi ve compounds like: A.
An bio cs
C.
Hormones
✓
B.
Serums
D.
all a,b,c
Saprotrophs (saprobes) are decomposers that obtain their food directly from: A.
Living host
B.
Living guest
C.
Dead organic ma er
D.
Inorganic ma er
--------------ferment carbohydrate (glucose) to ethanol and carbon dioxide. A.
Mushrooms
C.
Alternaria
✓
B.
Yeasts
D.
Penicillium
B.
Plants
D.
Prokaryotes
All Pro sts are eukaryo c and all evolved form: A.
Algae
C.
Monera
✓
Fungi obtain their food by direct absorp on from the immediate environment and are thus: A.
Inges ve heterotrophs
B.
Phototrophs
C.
Absorp ve heterotrphs
D.
None
The number of species of organisms called "fungi" which are known, are approximately:
✓
A.
100,000
B.
100,00
C.
100,0
D.
100
In Basidiomycota four haploid sexual spores, called the-------, are borne on each basidium.
✓ Q.903
Blue-green algae
Which of the following is chemosynthe c?
✓ Q.901
B.
Saccharomycese cerevisiae is most common
✓ Q.898
✓
Diplococcus pneumoniae is an example of which of the following type of arrangement in bacteria
✓
Q.896
archaeobacteria
C.
C.
Q.895
D.
A.
A. Q.894
✓
Procedure used to eliminate or reduce the possibility of infec on is termed
✓ Q.891
eubacteria
Page 55
A.
ascospores
B.
Conidiophores
C.
Basidiospores
D.
Zygospores
Process in which physical agents are used to control bacteria
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Created By: Armghan Saeed A. C. Q.904
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✓
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B.
Chemotherapy
D.
Steriliza on
Species
C.
Phylum
✓
B.
Division
D.
Taxa
A.
Anaerobic
B.
Aerobic
C.
Obligate
D.
Faculta ve
B.
Diatoms
D.
Red algae
A.
Green algae
C.
Euglenoids
✓
Pasteur called the a enuated cultures of bacteria, vaccine and immuniza on with a enuated cultures of bacteria:
✓
A.
Vaccina on
B.
Inocula on
C.
Injec on
D.
Shot
B.
Agar
D.
All a, b, c
Marine algae are also source of many useful substance like: A.
Algin
C.
Carrageenan
✓
In which phase death rate becomes equal to rate of reproduc on A.
Lag phase
B.
Log phase
C.
Sta onary phase
D.
Decline phase
Staphylococci aureus,Diplicocci pneumoniae etc.,are examples of: A.
bacilli
B.
spiral
C.
cocci
D.
none
B.
Bacteria
D.
Virus
Rabies is due to A.
Fungi
C.
Protozoan
✓
__________ was the first species of penicillium discovered A.
Penicillum glabrum
B.
P. ovale
C.
P. notatum
D.
P. hordeum
An example of aerobic bacterium is
✓
A.
Pseudomonas
B.
Siprocheta
C.
E. coli
D.
Campylobacter
The flagella of bacteria are composed of: A.
Carbohydrate
C.
Lipid
Some bacteria are neither aerobic nor anaerobic but: A.
Obligate
C.
Symbiont
✓ ✓
B.
Protein
D.
Steroid
B.
Faculta ve
D.
Commensal
With the help of flagella, bacteria can detect and move in response to chemical signals which is a behaviour called:
✓ Q.917
A.
Which are the major producers in aqua c ecosystem:
✓ Q.913
Vaccina on
✓
Bacteria which can grow in the absence of oxygen are known as:
✓ Q.911
An sepsis
The organisms are grouped into larger, more inclusive categories
✓ Q.910
Page 56
A.
chemotherapeu c
B.
chemosynthe c
C.
chemotaxis
D.
both a & b
A wall-less monera is:
✓
A.
Eubacteria
B.
Archaebacteria
C.
Cyanobacteria
D.
Mycoplasma
B.
DNA
D.
Both a & b
Phage injects which of these into the host cell? A.
RNA
C.
Tail core
✓
Which of the following fungi is used to give aroma to cheese:
✓
A.
Yeast
B.
Penicillin
C.
Aspergillus
D.
Neurospora
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Created By: Armghan Saeed Q.920
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Oncoviruses are
✓
Q.932
Q.933
Q.934
Spherical
B.
Cubical
C.
Rod shaped
D.
Icosahedra
B.
Deafness
D.
All these
A.
Allergic reac ons
C.
Discolora on of teeth
A.
conidia
C.
asci
They are beads of cells A.
Filaments
C.
Fragments
A.
Hunch
C.
Sterols
✓
B.
sporangia
D.
basidia
B.
Trichomes
D.
Akinetes
✓
B.
Humus
D.
Murein
Aspergillus is
✓
A.
Brown mold
B.
Green mold
C.
Blue mold
D.
Red mold
Some photosynthe c euglenoids lose their chlorophyll when grown in: A.
Sea
C.
Light
Bacteria prepare themselves for cell division is known as A.
Log phase
C.
Sta onary phase
B.
River
✓
D.
Dark
✓
B.
Lag phase
D.
Decline phase
------------is used to relieve one kind of headache migraine.
✓
A.
Ergo ne
B.
Aflatoxin
C.
Griseofulvin
D.
Penicillin
Which of the following is not present in fungi: A.
Cell wall
B.
Centrioles
C.
Spores
D.
Nuclei
Based on the diversity most biologists regard the pro sta kingdom as: A.
Monophyle c
B.
Diphyle c
C.
Polyphyle c
D.
all, a , b, c
B.
1915
D.
1901
Filterable agents were discovered for yellow fever in A.
1898
C.
1917
✓
Diatoms are very important in:
✓
A.
Aqua c food chains
B.
Electrons transport chains
C.
terrestrial food chains
D.
Respiratory chains
Milk maids can't be infected by _______ if they are already infected by Cow pox
✓
A.
Small pox
B.
Anthrax
C.
Rabies
D.
Chicken pox
John hogg separated blue green algae and bacteria (prokaryotes) form nucleated pro sts and placed them in a separate group called Monera, within the kingdom. C.
Pro sta Plantae
✓
B.
Fungi
D.
Both a & b
Reserve food material in cyanobacteria is:
✓ Q.936
✓
A material obtained by the par al decay of plants and animals is:
A. Q.935
✓
During unfavourable condi ons,slime mold forms resistant haploid spores by meiosis within stalked structures called:
✓ Q.931
A.
Misuse of streptomycin affects auditory nerve thus causing
✓ Q.930
Page 57
A.
Starch
B.
Cellulose
C.
Glycogen
D.
All a, b, c
Which phylum of algae do not have form with flagellated mo le cells in at least one stage of their life cycle:
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✓
Q.952
B.
Chlorophyta
C.
Rhodophyta
D.
Phaeophyta
B. D.
Consist of shells of interlocking cellulose plates impregnated with silica All of the above op on
✓
A.
Monokaryo c
B.
Dikaryo c
C.
Both a & b
D.
Mul karyo c
Robert Whi ekar's five kingdom system of classifica on was modified by: A.
E. Cha on
C.
Ernst Haeckel
✓
B.
Charles Chamberland
D.
Margulis and Schwartz
The enzymes of respira on in bacteria are located in
✓
A.
Cell wall
B.
Cell membrane
C.
Cytoplasm
D.
Mitochondria
Pig could be the source of infec on of hepa
✓
s
A.
E
B.
B
C.
A
D.
D
B.
Temperate phage
D.
Both b and c
The phage which causes lysogeny is called A.
Prophage
C.
Lysogenic phage
✓
A fungal hypha/cell having 2 nuclei of different gene c types is called: A.
Dikaryo c
B.
Heterokaryo c
C.
Both a & b
D.
None
A func onal ar ficial ________ was made in sacchomyces cerevisiae A.
Protein
C.
Hormone
✓
B.
Chromosome
D.
Enzyme
The vector in case of Trypanosoma A.
Mosquito
B.
House fly
C.
Tsetse fly
D.
None of these
B.
Spiral
✓
D.
Cocci
✓
B.
Zygomycota
D.
Deuteromycota
The spherical or oval bacteria are: A.
Bacilli
C.
Vibrios
Rhizopus is example of group---------of fungi. A.
Basidiomycota
C.
Ascomycota
In bacteria, some pili func on as a mean of: A.
Organiza on
C.
Addi on
✓
B.
Accessory
D.
A achment
Misuse of Penicillin can cause
✓
A.
Allergic reac ons
B.
Deafness
C.
Discolora on of teeth
D.
All these
HIV can't be transmi ed by
✓ Q.951
Euglenophyta
Septate hyphae are
✓ Q.946
A.
About the shells of dinoflagellates which op on is best: A. Consist of shells of interlocking silica plates impregnated with cellulose C. Consist of one piece of cellulose plate
✓ Q.944
Page 58
A.
In mate sexual contact
B.
Mother to offspring
C.
Breathing
D.
Breast Feeding
B.
Nitrogen
✓
D.
Oxygen
B.
Covered smut of rice
✓
D.
Loose smut of wheat
Faculta ve bacteria grow either in the presence absence of: A.
Carbon
C.
hydrogen
Us lago tri ci is called A.
Covered smut of wheat
C.
Loose smut of rice
_______________________________________________________________________________________ Almiraj Academy Timber Market Ravi Road Lahore (0331-4033092)
Created By: Armghan Saeed Q.953
Fungi resemble animals in that it is A. C.
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Q.958
Q.959
Q.960
Q.961
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✓
Q.969
A.
Skin
C.
Nose and ear
A.
Oncovirus
C.
Provirus
B.
Heterotrophic
D.
All these
B.
Hair
✓
D.
Teeth
✓
B.
Phage
D.
Retrovirus
A.
Can be inherited
B.
Can't be inherited
C.
Can't be passes to progeny
D.
Both of a & c
B.
Liver
D.
White blood cell
B.
Ribosomes
D.
Capsule
In man, Plasmodium first enters into the: A.
RBC
C.
Salivary glands
✓
Which one of following is not found in all bacteria: A.
Cell membrane
C.
Nucleoid
✓
some bacteria transfer gene c material from a donor bacterium to a recipient during a process called: A.
Binary fission
C.
Regenera on
Which an bio cs my cause deafness: A.
Penicillin
C.
Tetracycline
✓ ✓
B.
Budding
D.
Conjuga on
B.
Streptomycin
D.
Quinine
Citric acid is also obtained from some species of: A.
Penicillium
B.
Pilobolus
C.
Aspergillus
D.
Rhizopus
B.
Psycho c delusion
D.
Indiges on
Which of the following is not symptoms of ergo sm. A.
Convulsion
C.
Gangrene
✓
Bacteria are considered plant because:
✓
A.
The have cell wall
B.
They can move
C.
The are present everywhere
D.
Can mul ply by fission
The cell walls of most bacteria have a unique macromolecule called: A.
Teichoic acid
B.
Lipoprotein
C.
Pep doglycan
D.
Polysaccharide
B.
Aspergillus
D.
Penicillium
Citric acid is obtained from which? A.
Agaricus
C.
Yeast
✓
Collar and end plate are present in Bacteriophages on A.
Same side of sheath
B.
Opposite side of sheath
C.
In-between the shealth
D.
Any were
Englenolds have at various mes been classified in the:
✓ Q.968
✓
A provirus
✓ Q.967
Contain chi n in the cell wall
The virus which has cancer causing genes
✓ Q.965
Lacks cellulose in cell wall
Tetracycline and its related compounds cause permanent discolora on of:
✓ Q.962
Page 59
A.
Plant kingdom
B.
Animals Kingdom
C.
Both a & b
D.
None
The structural material of bacterial wll is: A.
Cellulose
C.
Hemicellulose
✓
B.
Pep des
D.
Pep doglycan
B.
Chlorophyllous
Penicillium is a __________ species A.
Predatory
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Q.975
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✓
Haploid
B.
Diploid
C.
Filamantous
D.
All of these
A.
Mycoplasma
B.
Staphylococci
C.
Acanthurus nigrofuscus
D.
Epulopiscium fishelsoni
Which of the following adapta ons helped fungi to live on land?
Q.982
Q.983
✓
Q.985
Forma on of thick walled zygote
✓
B.
Produc on of conidia
D.
All these
A.
Spread plant disease
B.
Are used inwin and banking industry
C.
Are used in curing of tea and tobacco
D.
All of these
Members of which category resembles to one another more then do the members of higher taxon : A.
Middle
C.
Second to higher
B.
Second last from higher
✓
D.
Lower
B.
Venom
✓
D.
Aminalcules
Leauwenhoek called microbes as A.
Bacteria
C.
Animals
The single stranded RNA is converted DNA by the enzyme
✓
A.
Reverse transcriptase
B.
Reverse transferase
C.
Reverse lyase
D.
Reverse pep dase
B.
When it reproduces sexually
D.
When it forms perfect res ng spores
Which is the 'perfect stage, of fungus? A.
When it reproduces asexually
C.
Which it is healthy
✓
If the cocci bacteria are arranged in irregular manner like clusters of grapes. They are called A.
Diplococci
B.
Sarcina
C.
Staphylococci
D.
Streptococci
Adsorp on of phage occurs on a receptor site present on which?
✓
A.
Host cell wall
B.
Host cell membrane
C.
Phage
D.
All of these
In addi on to chromosomes, many bacteria contain: A.
Mitochondria
B.
Chloroplasts
C.
Plasmids
D.
Glyoxysomes
Cell wall in gram posi ve bacteria is compose of:
✓
A.
Murein
B.
Lipid
C.
Cellulose and pec n
D.
Proteins only
B.
Diplococci
D.
Both b & c
If a coccus divides only in a single plane it forms A.
Staphylococci
C.
Streptococci
✓
Aseptate hyphae are found in
✓ Q.984
Lack of flagellated cells
Yeasts are economically important because they:
✓ Q.981
Saprobic
Poxviruses have a size equal to some members of
✓ Q.979
D.
A.
C.
Q.974
✓
Gametangia of the fungus are
A. Q.973
Parasi c
Page 60
A.
Rhizopus
B.
Oomycotes
C.
Both a & b
D.
Kelps
The bacteria that get their food from dead organic ma er are
✓
A.
saprotrophs
B.
photosynthe c
C.
parasites
D.
chemosynthe c
Which of the following may be called world' largest organism:
✓
A.
Truffles
B.
Yeast
C.
Armillaria
D.
Penicillin
Q.986
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Page 61
Metabolically dormant bodies produced at a later stage of bacterial cell growth that germinate under favourable condi ons to form vegeta ve cells are called
Q.987
Q.988
Q.989
Q.990
Q.991
Q.992
Q.994
Q.996
Q.997
✓
Q.1000
Q.1001
Q.1002
B.
Spores
D.
Cysts
A.
Lovasta n
C.
Ergo ne
✓
B.
Cyclosporine
D.
Griseofulvin
A.
Zygomycota
B.
Ascomycota
C.
Basidiomycota
D.
Deuteromycota
B.
Microbicidal
D.
None of these
A.
Microbista c
C.
Cytoplasmic
✓
Unlike plants and animals, the pro sts do not develop from a blastula or an A.
Egg
C.
Zygote
✓
B.
Embryo
D.
Gamete
Some bacteria are covered with loose, soluble shield of macromolecules which is called as:
✓
A.
Slime capsule
B.
Pellicle
C.
Seath
D.
None
Which of the following ma be called world's largest organism: A.
Truffles
B.
Yeast
C.
Armillaria
D.
Penicillin
B.
Herpes simplex
D.
Poliomyeli s
The smallest virus is of A.
Paramyxovirus
C.
Cow pox
✓
Contrac le vacuole is meant for: A.
Food diges on
B.
Food capturing
C.
Osmoregula on
D.
Ejec on of waste products
The absorp ve nutri on of fungi is aided by A.
Spore forma on
C.
They are all parasites
✓
B.
They form frui ng bodies
D.
Their large surface area-volume ra o
In bacterial 'growth curve' the phase of no growth is
✓
A.
Lag phase
B.
Log phase
C.
Sta onary phase
D.
Decline phase
Infected person can be recovered completely from hepa
s
A.
A
B.
B
C.
Both a and b
D.
C
Small diploid micronuclei of ciliates func on in:
✓ Q.999
Gemmules
Which effect kills the microbe immediately
✓ Q.998
C.
✓
Conjuga on take place in:
✓ Q.995
Condia
One of the following is used to relieve one kind of headache migrane
✓ Q.993
A.
A.
Excre on
B.
Diges on
C.
Sexual process
D.
Metabolism
In the scien fic name of onion, Allium cepa, the Allium belogs to its:
✓
A.
Genus
B.
Group
C.
Species
D.
Family
B.
Predatory
D.
Mutualis c
B.
Us lago
D.
Fusarium
Oyster mushroom is which of the following types of fungus A.
Parasi c
C.
Saprotrophic
The most common smut fungi are A.
Puccinia
C.
Phytophthora
Hepa
✓ ✓
s A virus is
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✓
B.
DNA non enveloped
D.
RNA non enveloped
A.
Micrococci
B.
Clostridium
C.
Pseudomonas
✓
D.
Mycoplasmas
A.
Homosexuals
B.
Heterosexuals
C.
Both of these
D.
Weak
Bacterium having only one flagellum at its one pole is called: A.
Cephalorichous
C.
Lophotrichous
✓
B.
Monotrichous
D.
Amphitrichous
B.
Glass
D.
Porelain
B.
Phagocytosis
D.
Endocytosis
Bacteria can't pass through these filters A.
Paper
C.
Whatmann
✓
Most protozoans ingest their food by the process of A.
Exocytosis
C.
Pinocytosis
✓
Which of the following is not an economic importance of bacteria? A.
Produc on of an bio cs
B.
Spoilage of food and vegetables
C.
Able to decompose organic ma er
D.
Use in biotechnology
prions are responsible for
✓
A.
Cow madness
B.
Mysterious muscular disorders
C.
Lung disorders
D.
Leukemia
B.
Conjuga on
D.
Transforma on
Most ciliates reproduce sexually by a process called A.
Spore forma on
C.
Transduc on
✓
Gram nega ve bacteria differ form gram posi ve bacteria in that their their cell wall is: A.
Simple
C.
Without lipid
✓
B.
Complex
D.
With high lipid content
Green sulphur bacteria, purple sulphur bacteria and purple non-sulphur bacteria are examples of which of the following bacteria A.
Saprotrophic
C.
Parasites
✓
B.
photosynthe c
D.
Chemosynthe c
A pro st showing about binary fission and conjuga on is: A.
Amoeba proteus
B.
Trichonympha
C.
Paramecium
D.
Euglena
Trichomes have at interval slightly large, round, light yellowish thick walled cells called: A.
Akinetes
C.
Hormogonia
Algae with two shells that overlap made up of silica A.
Dinoflagellates
C.
Brown algae
✓ ✓
B.
Heterocysts
D.
Spores
B.
Diatoms
D.
Red algae
Basidiomycotes are named so for their characteris cs, club-shaped sexual reproduc ve structure the: A.
Antheridium
C.
Ascus
✓
B.
Conidium
D.
Basidium
Despite absence of sexual reproduc on, imperfect fungi show special kind of gene c recombina on, called:
✓ Q.1018
RNA enveloped
✓
AIDS was discovered in young pa ents which were
✓ Q.1014
DNA enveloped
Cell wall is only absent in bacteria:
✓ Q.1009
Page 62
A.
karyogamy
B.
Pseudogamy
C.
Parasexuality
D.
Plasmogamy
B.
4 cocci
A tetrad is a square of: A.
2 cocci
✓
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Q.1020
Q.1021
Q.1023
Q.1024
Q.1025
✓ ✓
Q.1028
Q.1029
Q.1030
Q.1031
Q.1032
Q.1033
Q.1034
Q.1035
8 cocci
A.
Prokaryotes
B.
Eukaryotes
C.
Akaryotes
D.
Acellular
A.
Purple
B.
Pink
C.
Green
D.
Does not stain
If a bacteria cell divides in every 20 minutes, how many bacteria will be formed in two hours? A.
8
B.
16
C.
64
D.
128
Fucoxanthin pigment is present in:
✓
A.
Dinoflagellates
B.
Green Algae
C.
Euglenoides
D.
Red algae
Penicillium reproduces asexually by means of naked spores called:
✓
A.
Conidia
B.
Nudia
C.
Nakadia
D.
All a, b, c
Fungi can survive in dry condi ons in which one of the following stage A.
Asexual reproduc on
C.
Res ng stage
✓
B.
Sexual reproduc on
D.
Ac ve stage
THe cyanobacteria are the largest and most diverse group of photosynthe c bacteria which is previously known as: A.
Red Algae
B.
Green Algae
C.
Blue green Algae
D.
Brown Algae
Degrading and removing environment pollutants, such a role of fungus could be called
✓ Q.1027
D.
Gram-posi ve bacteria stain
✓ Q.1026
6 cocci
Cyanobacteria are
✓ Q.1022
Page 63
A.
Decomposi on
B.
Biological control
C.
Bio remedia on
D.
Degrada on
To accommodate pro sts, Margulis and Schwartz have listed phyla: A.
77
C.
172
✓
B.
27
D.
57
Who, 1866 suggested crea ng the kingdom pro sta to include bacteria and other microorganisms.
✓
A.
Ernst Haeckel
B.
John Hogg
C.
E-Cha on
D.
Robert Whi aker
Which of the following are used on the surface of living ssues
✓
A.
An sep cs
B.
Disinfectants
C.
An bio cs
D.
Both a & c
B.
200
D.
300
About-------species of mushrooms are edible: A.
400
C.
100
✓
All brown algae are mul cellular and range in length from a few cen metres to approximately: A.
10 m
C.
45 m
✓
B.
25 m
D.
75 m
A bite of glossina (Tsetse) fly may transmit:
✓
A.
Trichonympha
B.
Entamoeba histoly ca
C.
Plasmodium
D.
Trypanosoma
B.
Cera um, dinoflagellates and diatoms
D.
Diatoms, euglenoids and slims moulds
The photosynthe c pro sts are: A.
Ciliates, zooflagellates and dinoflagellates
C.
Euglenoids, diatoms and dinoflagellates
✓
One of the most unusual pro st phyla is that of:
✓
A.
dinoflagellates
B.
zooflagellates
C.
euglenoids
D.
oomycotes
Phycobilins is used as accessory pigments by:
_______________________________________________________________________________________ Almiraj Academy Timber Market Ravi Road Lahore (0331-4033092)
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Q.1037
Q.1039
A.
Cyanobacteria
B.
Bacteria
C.
Algae
D.
Fungi
B.
kelps
D.
Gelidium
The largest brown algae are called: A.
diatoms
C.
Dinoflagellates
A.
Flagella
B.
Pseudopodia
C.
Cytoplasmic projec ons
D.
Tentacles
A thallus is a body. A.
Having no specific structure
C.
Having fstem but no true leaves of roots
Halbur & coworkers revealed fact about hepa A. C.
Q.1040
Q.1041
Q.1043
Q.1044
Q.1045
Q.1046
Q.1047
Q.1048
✓
2005
A.
Spores
C.
Both
B.
Having froots, but stem and leaves are absent
D.
Having no specific root, stem and leaves
s E in
2002
Which of following is not heat resistant
B.
2004
✓
D.
2001
✓
B.
Cysts
D.
None
Hyphae with many nuclei are known as
✓ Q.1042
✓
The shells or tests of foraminiferans and ac nopods contain pores through which can be extended:
✓ Q.1038
Page 64
A.
Monokaryo c
B.
Dilkaryo c
C.
Coenocytes
D.
Akaryo c
The world virus is derived from a ______ word meaning the poison
✓
A.
La n
B.
Greek
C.
Hebrew
D.
English
Microbiologists place bacteria in two major categories: Eubacteria and: A.
Probacteria
C.
Ac nobacteria
✓
B.
Cyanobacteria
D.
Archaebacteria
B.
diplococcus
D.
Escherichia coli
B.
Rhizobium
D.
E. coil
Example of rod shaped bacteria is: A.
spirocheta
C.
Rhizopus
✓
Early researches on bacteriophages were on those who infect? A.
Pseudomonas
C.
B. coil
✓
The volume of phage is about how many mes less than host A.
100
C.
100,000
B.
10
D.
1000
B.
8-11nm thickness
✓
D.
Pep doglycan
✓
B.
Apicomplexans
D.
Foraminifera
✓
Which is true for Gram-posi ve wall? A.
Lipids 10-11%
C.
Lipoproteins
Locomotory organs are absent in: A.
Ciliates
C.
Ac nopoda
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Q.9
A.
Defence
B.
Offence
C.
Nutri on
D.
Both a & b
The red and white seeds use f by jewellers as weights called "rai " are obtained from. A.
Cassia Fistula
B.
Oryza sa va
C.
Acacia arabica
D.
Abrus precatorius
Cytochromes are electron transport intermediates containing heme of related prosthe c groups that valency changes of: A.
Magnesium atom
C.
Nitrogen atom
A.
Coelom
C.
Acoelom
✓
Q.13
Q.14
Iron atom
✓
B.
Pseudocoelom
D.
None
Metazoa
B.
Eumetazoa
C.
Protozoa
D.
Parazoa
B.
Dioecious
D.
Hermaphrodite
The prothallus is: A.
Monoecious
C.
Bisexual
✓
Tracheophytes are further sub-divided into: A.
2 subdivisions
B.
3 subdivisions
C.
4 subdivisions
D.
8 subdivisions
Pseudocoelomates are those that have cavity
✓
A.
Between diges ve ract and body wall
B.
False body cavity
C.
True body cavity
D.
All of these
B.
Ventral nerve cord
D.
All
Nerve ring of aschelminthes givers rise to Dorsal nerve-cord Lateral nerve cord
✓
Triploblas c animals are included in phyla which have been placed in grade:
✓
Q.12
D.
A.
C.
Q.11
Manganese atom
Mul cellular animals were, broadly, referred to as:
A. Q.10
✓
B.
In Aschelminthes, the space between the body wall and the diges ve tube is called:
✓ Q.8
Kingdom Animalia
The tentacles bear staining cell called nematocysts which are organs of:
✓ Q.3
Page 1
A.
Radiata
B.
Bilateria
C.
Transversa
D.
Trilateral
The colonies and mass of some coelenterates in the form of stony net-work is called
✓
A.
Coral reefs
B.
Corals
C.
Ac nia
D.
Aurelia
In Lycopsida, the sporophyte may have sporangia of two kinds as in:
✓
A.
Selaginella
B.
Lycopodium
C.
Marchan a
D.
Psilotum
Avena sa va has how many lodicules
✓
A.
2
B.
1
C.
3
D.
4
The spore of a moss develops into an alga like structure the:
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✓
Zygonema
D.
Pachynema
B.
Selaginella
D.
Rhynia
B.
Bees
D.
Aphids
A.
Psilotum
C.
Pteris
A.
Ants
C.
Beetles
✓ ✓
A.
Gastrocoele
B.
Blastostyle
C.
Pseudocoele
D.
None of them
B.
Chi nous exoskeleton, external segmenta on and paired jointed appendages Chi nous exoskeleton, antennae and compound eyes
✓
D.
A.
Round worms
B.
Flatworms
C.
Segmented worms
D.
Shipworms
The animal muscular, skeletal and reproduc ve systems arise from: A.
Ectoderm
B.
Mesoderm
C.
Endoderm
D.
None
Nereis and Chaetopterus are important example of class:
✓
A.
Polychaeta
B.
Oligochaeta
C.
Hirudinea
D.
Pelecypoda
B.
Haemocoel
D.
Spongocoel
The body cavity of arthropods is called: A.
Blastocoel
C.
Neurocoel
✓
Convergent is an evolu on in which: A.
Two similar groups have same origin
B.
Two similar groups have have different origin
C.
Two different groups have same origin
D.
It from phyle c lineage
Tracheal system for gaseous exchange is found in: A.
Annelids
B.
Molluscs
C.
Arthropods
D.
Echinoderms
Plants used as an -fungus A.
Cassia fistula
C.
c.senna
✓
B.
Callata
D.
All of these
Rose family consists of about 100 generat and: A.
500 species
B.
1000 species
C.
2000 species
D.
4000 species
One of the following is an example of blood feeding arthropods in man and animals A.
Mosquitoes
C.
Mices and bugs
Sub - Kingdom parazoa have animals which: A.
Are unicellular
C.
Tissues are not organized into organ
✓ ✓
B.
Fleas
D.
All of these
B.
Are without ssue
D.
Are mul cellular
Most colonial coelenterates such as corals produce a hard exoskeleton formed of:
✓ Q.30
C.
The name Platyhelminthes means:
✓ Q.27
Diakinesis
The phylum arthropoda is characterised by the Present of: A. Chi nous exoskeleton, external segmenta on and paired appendages C. Chi nous exoskeleton and antennae
✓ Q.25
B.
Typically a false coelom is known as called :
✓ Q.24
Protonema
Wax and honey is produced by
✓ Q.21
A.
Which fo the following is a fossil:
✓ Q.18
Page 2
A.
Silica
B.
Calcium silicate
C.
Calcium Carbonate
D.
Calcium
B.
Species is dispersed by spores
The seedless vascular plants have:
✓
A.
Sporophyte is dominant
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Q.39
✓
Q.41
Q.42
Q.43
Q.44
Q.45
Q.46
D.
All of the above are correct
A.
Obelia
B.
Sea anemone
C.
Jelly fish
D.
Hydra
B. D.
Male and female reproduc ve organs are present on same plant None of the above
B.
Urochordates
D.
Chordates
B.
Both a & c
D.
Parapodia
A monoecious is plant in which: A. Male and female reproduc ve organs are present don different plants C. Male reproduc ve organs mauters first than female An axial suppor ng rod is persistently found in: A.
Protochordates
C.
Hemichordates
Organs of locomo on in class Oligochaeta are: A.
Setae
C.
Chaetae
✓
✓ ✓
Which is the largest group not only of Arthropods but of all the animal kingdom is: A.
Insecta
B.
Oligochaeta
C.
Gastropoda
D.
Eutheria
B.
Pin worm
D.
Segmented worm
B.
Nematoda
D.
Arthropoda
B.
Psilopsida
D.
Lycopsida
Enterobius vermicularis is commonly known as? A.
Hook worm
C.
Flatworm
Pseudocoel is found in: A.
Platyhelminthes
C.
Annelida
Which fo the following is called whisk fern: A.
Filicinae
C.
Sphenopsida
✓ ✓ ✓
The buds arises internally from the body of the sponges are generally known as
✓ Q.40
The independent, non-vascular, gametophyte produces flagellated sperm
Colonial member of coelenterates
✓ Q.36
Page 3
A.
Protandrous
B.
Choanocytes
C.
Gemmules
D.
Polyps
Certain grasses yield aroma c oils, e.g.,:
✓
A.
Saccharum munja
B.
Cymbopogon citratus
C.
Tri cum vulgare
D.
Oryza sa va
B.
Anus is formed from blastopore
D.
Mesoderm is derived from dorsal lip cells
Character not related to proterostomes A.
Spiral cleavage
C.
Coelom is formed by spli ng of mesoderm
✓
There is rasping tongue-like provided with many horny teeth, in the mouth cavity of many:
✓
A.
Molluscs
B.
Annelids
C.
Echinoderms
D.
Hemichordates
The example of sub-phylum Urochordata is:
✓
A.
Molgula
B.
Amphioxus
C.
My lls
D.
Channa
Cyanometera cauliflora belong to which family?
✓
A.
Rosaceae
B.
Poaceae
C.
Solanacea
D.
Cesaleinacea
Obelia has a kind of zooid known as blastostyle which gives rise to individual zooids called: A.
Polyp
C.
Gonozooid
✓
B.
Nectophore
D.
Medusae
The sporangia are borne on structures called sporangiophores aggregated to form:
✓
A.
Strobili
B.
Cones
C.
Congrega on
D.
Flock
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Q.48
Q.49
The most common examples of parasi c Platyhelaminthes are:
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Q.62
C.
Blood flukes
A.
Molgula
C.
My lls
✓ ✓
B.
Liver flukes
D.
All a, b, c
B.
Amphioxus
D.
Channa
A.
30,000
B.
60,000
C.
90,000
D.
100,000
B.
Un-segmented body
✓
D.
It is free living
B.
They have five petals
✓
D.
They have five carpals
Which one is not the characteris c feature of ascaris A.
Pointed ends
C.
Head is not clearly demarcated
The flora characteris c not found in family solanaceae: A.
They have five sepals
C.
They have five stamens
The Poriferans are pore-bearing animals, commonly called:
✓
A.
Nematodes
B.
Cnidarians
C.
Sponges
D.
Roundworms
B.
Millipede, Crab, Cen pede, Cockroach
D.
Leech, Locust, Sea Urchin, Lobster
B.
Sepia
D.
Teredo
Which is a matching set in taxonomy? A.
Neries, planaris, Roundworm, earthworm
C.
Star fish, Jelly fish, Cu le fish, Octopus
✓
A shipworm ---- damages wooden parts of ships: A.
Loligo
C.
Limax
✓
The Tsetse fly of Africa transmits? A.
Plasmodium
B.
Amoeba proteus
C.
Try panosoma
D.
Trichonymphas
B.
Vertebral column
D.
Gill slits are present in only in embryonic stage
The higher chordates have: A.
Notochord in adults
C.
Gill slits are present in all adult chordates
✓
Among animals, the presence of alterna on of genera ons is the characteris cs of: A.
Annelids
C.
Coelenterates
✓
B.
Echinoderms
D.
Proferans
Pinus sylvestris is na ve to:
✓
A.
Scotland
B.
Ireland
C.
England
D.
Green land
Solanaceae is also called:
✓
A.
Potato family
B.
Tobacco family
C.
Pea family
D.
Cassia family
In sponges the water leaves the body through main opening called:
✓
A.
Osculum
B.
Micropyle
C.
Operculum
D.
Os ole
Coelom separates:
✓
A.
Body wall from gut wall
B.
Gut wall from abdomen
C.
Body wall from abdomen
D.
Gut wall from gonad
It is believed that the alterna on of genera on increase the chance of survival by producing varia on in:
✓ Q.63
Tapeworm
A single ro ng apple may contain how many worms
✓ Q.56
A.
The example of sub-phylum Cephalochordata is:
✓ Q.50
Page 4
A.
Games and spores at the same me
B.
Gamesters
C.
Spores
D.
Zygote
Duck-billed Platypus and Echidna (Spiny anteaters) belong to sub-class: A.
Eutheria
✓
B.
Metatheria
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✓
Q.69
Legume
B.
Nut
C.
Berry
D.
None of above
A.
Angiosperms
C.
Pteridophytes
Q.72
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Q.79
Q.80
B.
Gymnosperms
D.
Bryophytes
Lumbricus Leech
✓
B.
Phere ma
D.
All a, b, c
B.
Panther
D.
Porcupine
In some mammals the hair have modified into scales e.g: A.
Penguin
C.
Pangolin
✓
The animal can be divided into two equal parts by an imaginary line only in one plane is: A.
Radial
C.
Asymmetric
✓
B.
Bilateral
D.
None
Larval forms are bilaterally symmetrical but adults are radially symmetrical: A.
Arthropoda
B.
Mollusca
C.
Echinodermata
D.
Nematoda
The simplest of all bryophytes are: A.
Mosses
B.
Hornworts
C.
Liverworts
D.
Whisk ferns
A free swimming trochophore larva is produced during life cycle of: A.
Echinoderms
C.
Coelenterates
✓
B.
Annelids
D.
Arthropods
In 1930's Van Niel Hypothesized that plants splits water as a source of hydrogen, releasing hydrogen as a:
✓
A.
by-product
B.
Side effect
C.
Offshoot
D.
Spin off
The food of the silkworm is
✓ Q.74
✓
The chaetae are absent in:
✓ Q.71
Atheria
Gametophy c genera on is dominant in:
✓ Q.70
D.
A.
C.
Q.68
Prototheria
Fruit of family Caesalpiniaceae is a
A. Q.67
Page 5
A.
Leaves of shisham tree
B.
Leaves of citrus
C.
Leaves of mulberry
D.
Leaves of betula
Sycon, Leucosolenia, Euplectella and Spongilla are examples of:
✓
A.
Porifera
B.
Sponges
C.
Cnidarians
D.
Both a & b
B.
Ovule
D.
Both a & b
B.
Mesoderm
D.
None
Technically a seed may be defined as a fer lized: A.
Egg
C.
Oospore
✓
The systems such as integumentary and nervous develop from: A.
Ectoderm
C.
Endoderm
✓
The prothallus is an autotrophic, small, flat, having the shape of:
✓
A.
Heart
B.
Kidney
C.
Bean
D.
Diamond
B.
Pseudopodia
D.
Parapodia
The organs of locomo on of class Polychaeta are: A.
Setae
C.
Podia
✓
The sporophyte is diploid (2n) which produces in sporangia one kind of haploid spores by:
✓
A.
meiosis
B.
mitosis
C.
nuclear mitosis
D.
amitosis
The flavouring agent is
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✓
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Nicho ana
Blastocoele
B.
Archenteron
C.
Haemocoele
D.
Mesoderm
B.
Blood purifier
D.
None of these
A.
Sun block
C.
Laxa ve
✓
A.
obelia
C.
physalia
✓
B.
jelly fish
D.
hydra
A.
Blastocoel
B.
Haemocoel
C.
Gastrocoel
D.
Spongocoel
A.
Enterobius
B.
Ancylostoma
C.
Ascaris lumbricoides
D.
All of these
For microscopic organisms, john Hogg, 1861 proposed the kingdom.
✓
A.
Protoc sta
B.
Plantae
C.
Fungi
D.
Monera
B.
Pollina on
D.
Reproduc on
The sepals and petals a ract insects for: A.
Food
C.
Fer liza on
✓
The animals on the border line between aqua c and true terrestrial animals are.
✓
A.
Amphibians
B.
Rep les
C.
Bony fishes
D.
Egg-laying mammals
It is beau ful and delicate sponge made up of glass framework: A.
Sycon
B.
Leuconseleria
C.
Euplectella
D.
Spongilla
B. D.
Fusion of one male gamete with two eggs Fusion of one male games with egg and second male gamete with an podals
B.
Skeleton produced due to some pus cell
C.
Skeleton produce due to pressure of fluid
Double - fer liza on mean: A. C.
Fusion of two male gametes with egg Fusion of one male gamete with egg and second male gamete with two polar nuclei
Tube within tube type diges ve system is: A. In which one diges ve tube is present within another tube
✓
Skeleton produced due to some solid object
in which of the following group would you place a pant which produces seeds but lacek flowers? A.
Fungi
C.
Pteridophytes
✓
B.
Bryophytes
D.
Gymnosperms
The rep les of today have been derived from the dinosaurs of: A.
Jurassic
B.
Cretaceous
C.
Both a & b
D.
Triassic
Each sorus consists of a number of:
✓ Q.95
D.
Which of the following flatworms are the intes nal parasites of man
✓ Q.94
Potato
A.
D. Q.92
B.
In poriferans, there is a single cavity inside the body, the:
✓ Q.91
Brinjal
✓
The animal that exists only in polyp form is:
✓ Q.90
C.
The leaves of Acacia nilo ca are used as:
✓ Q.86
Tomato
Pseudocoele is the remnant of
✓ Q.85
A.
Page 6
A.
Archegonia
B.
Antheridia
C.
Sporangia
D.
Capsules
B.
Apopetalous
D.
Gamopetalous
B.
Birds
Fused petals condi on is called A.
Polypetalous
C.
Synpetalous
✓
Syrinx is organ of voice in:
✓
A.
Amphibians
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A.
Apertures
C.
Os a
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✓
B.
Holes
D.
Spiracles
Crustacean , arachnid & myriapods Insects & myriapods
✓
B.
Crustacean , insects & myriapods
D.
Insects & arachnids
A.
testa
B.
tegmen
C.
Both a & b
D.
Sterna
Mesenchyma and parenchyma filled in the acoelomate is
✓
A.
Cellular
B.
Dead
C.
Amorphous
D.
All
B.
Echinoderms
D.
Nematodes
Blastopore forms anus is A.
Molluscs
C.
Annelids
✓
Dryopteris, Pteridium, Adiantum and Pteris etc, are example of:
✓ Q.103
Mammals
The integument of ovule form:
✓
Q.101
D.
They have Malpighian tubules for excre on C.
Q.100
Rep les
Main tracheal tubes open to the exterior through openings called:
A. Q.99
Page 7
A.
Bryophytes
B.
Angiosperms
C.
Ferns
D.
Gymnosperms
B.
Arachnids
D.
Insects
B.
Diploblas c
D.
Both a and c
Cockroaches, grasshoppers, bu erflies and mosquitoes are: A.
Crustaceans
C.
Myriapods
All the animal include in grade bilateria are A.
Triploblas c
C.
Acoelomates, pseudocoelomates,coelomates
Example of placental mammal is: A.
Platypus
C.
Kangaroo
✓ ✓ ✓
B.
Bat
D.
None
Family Caesalpiniaceae in cludes about:
✓
A.
52 genera & species
B.
152 genera & 23000 species
C.
102 genera & 1300 species
D.
122 genera & 2000 species
Which does not show heteromorphic alterna on of genera on: A.
Adiantum
C.
Funaria
✓
B.
Ulva
D.
Marchan a
It belongs to family Caesalpiniaceae
✓
A.
Cassia fistula
B.
Arachis hypogea
C.
Lupinus
D.
Butea
The leaves bearing sporangia are called: A.
Sporangiophores
C.
Megaphyllus
✓
B.
Leaflets
D.
Sporophylls
Which of the following animals is hermaphrodite?
✓
A.
Ascaris
B.
Leech
C.
Honey bee
D.
House fly
B.
Tracheids
D.
Xylem parenchyma
Xylem of gymnosperms lacks: A.
Vessels
C.
Xylem fibers
✓
All biologists agree that animals evolved from:
✓
A.
Protec sts
B.
Becteria
C.
Cyanobacteria
D.
All of them
Anthocerotae are slightly advanced that the musci and hepa cae due to:
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D.
Gametophyte has chloroplast
A.
Parazoa
B.
Protozoa
C.
Metazoa
D.
All these
A.
Insecta
C.
Myriapoda
✓
B.
Arachnida
D.
Crustacea
A.
Grain
B.
Pollan
C.
Pollen Grain
D.
Cereal grain
B.
Sycon
D.
Hydra
B.
Great ecological importance
D.
Much economic importance
B.
Cnidaria
D.
Nematoda
A.
Spongilla
C.
Polypls
A.
No value at all
C.
A lot of aesthe c value
✓ ✓
A.
Porifera
C.
Annelida
✓
The free living species of echinoderms move with the help of: A.
Four feet
B.
Parapodia
C.
Tube feet
D.
Foot
B.
Pseudocoelom
D.
Coelom
A cavity lined by mesoderm A.
Enteron
C.
Gastrovascular
✓
Coral reefs are mostly formed of: A.
Calcium carbonate
B.
Silica
C.
Chi n
D.
Lignin
Lumbricus terrestris, and Phere ma posthuma are examples of class: A.
Polychaeta
B.
Oligochaeta
C.
Hirudinea
D.
Pelecypoda
The only invertebrates included in deuterostomes A.
Annelids
C.
Molluscs
✓
B.
Arthropods
D.
Echinoderms
B.
Inedible
D.
Sweet
B.
Develop form embryos
C.
They have vascular ssue (xylem and phloem)
The seeds of Arachis hypogea peanut are. A.
Edible
C.
Poisonous
✓
Kingdom plantae mainly includes: A. Eukaryo c autotrophic mul cell, non-mo le organisms D.
All of these above
Enteron is divided by mesentries in
✓ Q.128
Sporophyte has chloroplast
Blastocoel persistas throughout the life in:
✓ Q.127
C.
Bryophytes are of:
✓ Q.124
Gametophyte is dominant over saprophyte
One of the following is typically marine sponges
✓ Q.123
B.
A micropore of seed plants that contains the microgametophyte including the gametes is called a:
✓ Q.121
Sporophyte is dominant over gametophyte
Daphnia, Cyclops, Crabs, Lobsters, Prawn, Wood louse etc, are examples of class:
✓ Q.117
A.
Mul cellular animals are included in
✓ Q.115
Page 8
A.
Aurelia
B.
Hydra
C.
Ac nia
D.
Obelia
B.
Archegonia
D.
True root, stem and leaves
Pteridophytes differ form bryophytes having: A.
Spores
C.
An independent gametophyte
✓
House fly, mosquito bu erflies, moths, wasps and beetles etc, are examples of class: A.
Insecta
B.
Arachnida
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Crustacea
A.
Tapeworm
B.
Liver fluke
C.
Pinworm
✓
D.
Blood fluke
A.
Annulus
B.
Os ole
C.
Stomium
D.
Operculum
The process of evolu on of leaf was very slow and gradual which completed in more than: A.
1-10 m years
B.
5-15 m years
C.
15-20 m years
D.
20-25 m years
Zooids are
✓ Q.134
D.
The point where sporangium of fern bursts to release spores is:
✓ Q.133
Myriapoda
Schistosoma is
✓ Q.132
C.
Page 9
A.
Only asexual
B.
Only sexual
C.
Both polyps and medusa
D.
None of these
B.
Breath
✓
D.
both (b)&(c)
B.
Ring worms
✓
D.
Both a and b
✓
B.
Medicago
D.
Cymbopogon
The name animalla is derived from La n , anima which means: A.
Life
C.
Saul
The leaves of cassia are used to cure A.
Various skin diseases
C.
Anemia
World's best horse fodder crop is A.
Trifolium
C.
Saccurum munja
Swim bladder is mainly a hydrosta c organ & can change the gravity of fish by filling itself with:
✓
A.
Gas
B.
Water
C.
Blood
D.
Lymph
Toow chief features of mammals which dis nguish them form other vertebrate are: A.
Hairy skin and oviparity
C.
Mammary glands and teeth
✓
B.
Hairy skin and mammary glands
D.
Pinna and teeth
B.
Choanocytes
D.
Mesenchyme
Fer liza on in sexually reproducing poriferans occurs in A.
Spngocoele
C.
Pinacocytes
✓
Apple, pear almond, apricot and strawberry etc, are important fruits of: A.
Gramineae
C.
Solanaceae
✓
B.
Rosaceae
D.
Caesalpiniaceae
B.
Secre on of some specialized polyps
D.
All of these
Coral reefs are formed by the A.
Secre on of some coelenterates
C.
Corals
Endosperm of flowering plants is A.
Diploid
C.
Haploid
The botanical name of lemon grass is A.
Saccharum munja
C.
Bambusa
✓ ✓ ✓
B.
Triploid
D.
Monoploid
B.
Cymbopogon citratus
D.
Sorghum vulgare
Cymbopogon citratus (lemon grass) yields lemon grass oil which is used in: A.
Perfumes
C.
Bakery
✓
B.
Soap industry
D.
Both a & b
Flatworms enters in the
✓
A.
Diges ve system
B.
Circulatory system
C.
Urine system
D.
Lympha c system
The process of shedding skeleton is called;
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A.
Moul ng
B.
Ecdysis
C.
Epiboly
D.
All a, b, c
B.
Silver fish
D.
Sing ray
Which own is a true fish? A.
Jelly fish
C.
Cu lefish
✓
A.
Ganoid
B.
Cycloid
C.
Ctenoid
D.
All a, b, c
Mammals have evolved form rep lian ancestor the. A.
dinosaurs
B.
varanope
C.
cotylosaurs
D.
ichthyosaurs
B.
Circulatory system
D.
Excretory system
The only system developed in acoelomates is A. C.
Q.151
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Q.154
Q.155
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Q.158
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Q.161
✓
Consists of leafy green shoots
B.
Is the heart-shaped prothallus
C.
Consists of foot, stalk and a capsule
D.
Is the dominant genera on
B. D.
The number sepals or petals of are of 3 or mul ple of 3 They have re culate veins in the leaves
A.
They have single cotyledon in the seed
C.
They vascular bundles are sca ered in the stem
✓
A.
Enclosed in egg
B.
Grown outside the egg
C.
Grown in alternate host
D.
larva
Physalis (Ground-Cherry) Produces and edible fruit enclosed in a bladder like persistent calyx the husk the name husk: A.
Potatoes
C.
Peppers
✓
B.
Cherries
D.
Tomatoes
Which of the following factor has made the arthropods most successful animals? A.
They have jointed appendages
B.
They have wings
C.
They have exoskeleton of chi n
D.
They have layer of cu n
Primi ve vascular land plants produce one kind of spores a condi on called:
✓
A.
Homospory
B.
Halterospory
C.
Monoospory
D.
Unispory
B.
Kangaroo, Rabbit, Bat, Monkey
D.
Uno, Pil, octopus, Ray fish
Which of the following is n unmatching group? A.
Duick, sparrow, Hen
C.
Housefly, Mosquito, Termite
✓
Lycopsids are called club mosses/spike because of their club/spike-shaped strobili and small leaves resembling: A.
Ferns
B.
Liverworts
C.
Mosses
D.
Pinus
In Ireland people are completely dependent on
✓
A.
Potatoes
B.
Tomatoes
C.
Egg plant
D.
Apples
Mimosaceae is also called: A.
Grass family
C.
Cassia family
✓
B.
Poa family
D.
Acacia family
The largest subkingdom of animal is:
✓ Q.162
A.
Hexcanth embryo of Taenia is
✓ Q.159
Integumentary system
✓
Which of the following characteris cs is not of the monocot:
✓ Q.156
Nervous system
In the most live cycle, the sporophyte:
✓ Q.152
✓
The skin of OSteichthyes has embedded dermal scales which may be:
✓ Q.150
Page 10
A.
Eumetazoa
B.
Parazoa
C.
Bilateria
D.
Radiata
Mimosa pudica and Acacia melanoxylon are some common garden plants of family: A.
Fabaceae
✓
B.
Poaceae
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A.
Psilotum & psilophyton
C.
Cooksonia & Psilotum
Q.169
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D.
Cooksonia & Tmesipeteris
A.
Fibrous roots
C.
Adven
ous roots
✓
B.
Tap roots
D.
Fibrous adven
ous roots
They do not have true coelom Their coelom is not mesodermal in origin
✓
B.
Their coelom contain blood
D.
Their coelom is divided into cavi es
A.
Echinoderms
B.
Molluscs
C.
Coelenterates
D.
Arthropods
B.
Cirri
✓
D.
Tentacles
B.
Thalamus or torus
✓
D.
All a, b, c
✓
B.
Calcium carbonates
D.
Lime stone
A.
Flagella
C.
Cilia
A flower is a modified shoot which consists of: A.
Pedicel
C.
Floreal leaves
Corals reefs are formed by the deposi on of A.
Calcium oxalate
C.
Sand stone
-------make up 235,000 of the 360,000 known species of plants.
✓
A.
Angiosperms
B.
Gymnosperms
C.
Ferns
D.
Bryophytes
B.
Spore mother cells
D.
Gametes
Which of the following structure in bryophytes is diploid: A.
Elaters
C.
Both a and b
✓
In annelids, the mouth is overhung by a lobed structure, the: A.
Peristomium
B.
Prostomium
C.
Proglo d
D.
Parapodium
The simplest of the animals belong to sub-kingdom:
✓
A.
Parazoa
B.
Metazoa
C.
Protozoa
D.
Eumetazoa
B.
Microphylls
D.
Heterophyllus
Small leaves having a single undivided vein are called: A.
Megaphylls
C.
Neutrophils
✓
Solanum tuberosum (Potato) Nico ana tabacum (Tobacco), Lycopersicum esculentum (Tomato), Capsicum frutescens (Red pepper) are familiar plants of family. A.
Gramineae
C.
Mimosaceae
✓
B.
Rosaceae
D.
Solanaceae
Tamarindus indica, Cassia Fistula, Bauhinia Variegate are family plants of family. A.
Fabaceae
B.
Poaceae
C.
Mimosaceae
D.
Caesalpiniaceae
Insects have blood in the body which:
✓ Q.178
Psilotum & Tmesipeteris
The mouth of cnidarians is surrounded by a series of:
✓ Q.177
B.
The life cycle of ________is characterized by the presence of alterna on of genera ons.
✓ Q.173
Caesalpiniaceae
Which of the following factors has made the arthropods most successful animals:
✓
Q.168
✓
D.
Root that arise from the lower side of the rhizome are called:
C.
Q.167
Mimosaceae
There are only two living genera in Psilopsida:
A. Q.166
Page 11
A.
Resembles human blood in colour
B.
Circulates through blood vessels
C.
Circulates through open system
D.
Has hemoglobin in cell
The most widely cul vated genus of family rosaceae for decora ve purpose is:
✓
A.
Pyrus
B.
Malus
C.
Rosa
D.
Fragaria
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In pakistan rose family is represented by: A.
9 genera 21 species
C.
29 general 413 species
A.
Platyhelminthes
C.
nematoda
Q.187
Q.188
A.
Non-vascular plants
C.
Conifers
Q.194
✓
C.
Both a & b
D.
Mollusca
B.
Seedless vascular plants
D.
Angiosperms
✓
B.
Stomium
D.
Both a & b
✓
B.
Small islands
D.
lagoons
A.
Skeleton produced due to some solid object
B.
Skeleton produced due to some pus cell
C.
Skeleton produced due to pressure of fluid
D.
Skeleton produced due some solid object
A.
Obelia
B.
Apertures
C.
Os a
D.
Orifices
A.
Enterocoelous
B.
Schizocoelous
C.
Colenterocoleous
D.
Both a & b
B.
Ordovician
D.
Devonian
Mammals became dominant in which period: A.
Jurassic
C.
Cenozoic
✓
My lus, Anodonta and Ostrea are examples of class: A.
Bivalvia
B.
Cephalopoda
C.
Oligochaeta
D.
Gastropoda
Proglo ds are A.
Embryos of taenia
B.
Uteri of taenia
C.
Segments of taenia
D.
Eggs of taenia
Arabic gum is obtained form: Acacia nilo ca Acacia catechu
The importance of moul ng or ecdysis in arthropods is: A.
It makes the body of arthropods more strong
C.
Its is used for reproduc on
B.
Acacia Senegle
✓
D.
Both a & b
✓
B.
Its helps the arthropods to grow
D.
It is protec ve in func on
Tracheophytes are called vascular plants because of the presence of vascular ssue i.e: A.
xylem
B.
phloem
C.
Both a & b
D.
Cambium
The body in insects has three dis nct regions: head, thorax and:
✓
A.
belly
B.
Abdomen
C.
Tummy
D.
Stomach
Casaia fistula belongs to family
✓ Q.195
Cnidaria
Colem developed as an out-pouching of archenterons is called:
✓ Q.193
Calyptra Large coral reefs
C.
Q.192
✓
Annulus
A.
A. Q.191
B.
The animal the exists only in poly form is:
✓ Q.190
✓
The hydrosta c skeleton is a:
✓ Q.189
29 genera 213 species
Madrepora are commonly called corals, the skeleton of which forms:
✓ Q.186
D.
In Adiantum, the edge of the capsule is made up of:
✓ Q.185
19 genera 113 species
Which of these plans contributed the most to our present days supply of coal:
C.
Q.184
✓
B.
Hydra, Obelia, Aurelia (jelly fish), Ac niae (sea anemone) and Madrepora are examples of Phylum:
A. Q.183
Page 12
A.
Solanaceae
B.
Poaceae
C.
Caesalpiniaceae
D.
Rosaceae
B.
Diploid
The sporangium in pteridophytes is: A.
Haploid
✓
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✓
Q.208
Q.209
B.
Gemma cups
C.
Gemmae
D.
Gemmae buds
Class cyclostomata, class chondrichthyes and class osteichthyes are included in superclass:
✓
A.
Pisces
B.
Tetrapoda
C.
Cephalopoda
D.
Misces
Hydra, Obelia, sea-anemones and corals are sessile: A.
Poriferans
B.
Coelenterates
C.
Annelids
D.
Molluscs
It has been observed that a single apple contains
✓
A.
90,000 flatworms
B.
10,000 flatworms
C.
5000 flatworms
D.
1000 flatworms
Plants belonging to Sphenopsida are also called Arthrophytes because the whole plant body is composed of large number of: A.
Pieces
C.
Cells
Q.211
✓
B.
Fragments
D.
Joints
Sori are protected by the bent margin of the leaflet, forming false:
✓
A.
Indusium
B.
Sheath
C.
Pods
D.
Covering
Sponges released sperms
✓
A.
In water
B.
On the land
C.
On the sea weeds
D.
On rocks
B.
Mollusca
D.
Cnidaria
Jointed appendages are found in Phylum: A.
Arthropoda
C.
Echinodermata
✓
The best commercial sponges are formed in the warm waters of: A.
Red sea
C.
Carabian Sea
✓
B.
Mediterranean Sea
D.
Arabian sea
The leaflets show dichotomous vena on in: Funaria Anthoceros
Enterobius are known as A.
Hook worms
C.
Flatworms
B.
Ulva
✓
D.
Adiantum
✓
B.
Pin worms
D.
Tape worms
Some liverworts are differen ated into a false stem, and leaves e.g....:
✓
A.
Porella
B.
Marchan a
C.
Anthoceros
D.
Polytrichum
Stem of Adiantum, is usually unbranched, horizontally growing and called: A.
Rhizoid
C.
Rhizobium
✓
B.
Rhizome
D.
Both a & b
Sac like gut with no special transport system is found in
✓ Q.210
None of these
Gemmules
C.
Q.207
D.
A.
A. Q.206
Triploid
The internal buds produced in asexual reproduc on of sponges are called:
✓ Q.199
Page 13
A.
Coelomates
B.
Chordates
C.
Acoelomates
D.
Pseudocoelomates
B.
Gametes
D.
None of these
Prothallus of fern produces: A.
Spores
C.
Both spores and gametes
✓
Animals from annelids to chordates are called:
✓
A.
acoelomates
B.
Coelomates
C.
Pseudocoelomates
D.
None
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Stori are covered by a mul cellular flap called:
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Ramenta
C.
Protonema
✓
B.
Rhizoid
D.
Indusium
A.
Madrepore
C.
Sea anemone
✓
B.
Portoguese man of war
D.
Obelia
Coelom is cavity present between the body wall and the alimentary canal and is lined by: A.
Ectoderm
C.
Endoderm
✓
B.
Mesoderm
D.
Metaderm
The phylum arthropoda is characterised by the presence of: A. Chi nous exoskeleton, external segmenta on ✓ B. and paired appendages D. C. Chi nous exoskeleton and antennae
Chi nous exoskeleton, external, segmenta on and paired jointed appendages Chi nous exoskeleton, antennae and compound eyes
Bird and bats are goods files, The bat differs from bird in having:
✓
A.
Diaphragm
B.
4-Chambered heart
C.
Wings
D.
Small brain
B.
Skin diseases
D.
Both a & b
The leaves of cassia alata are used to cure. A.
Ring worm
C.
Histoplasmosis
✓
Animals that have their body cavity filled with parenchyma mesoderm are:
✓
A.
Acoelomates
B.
Coelomates
C.
Pseudocoelomates
D.
Pro Coelomates
The animal which have a false coelom, the pseudocoel, have been grouped under. A.
acoelomata
B.
coelomata
C.
pseudocoelomata
D.
Procoelomata
The main parts of the proglo ds of worms are
✓ Q.221
A.
Some of the colonial members have upto five different types of zooids, performing different func ons for colony e.g.:
✓ Q.220
Page 14
A.
Excretory organs
B.
Diges ve organs
C.
Reproduc ve organs
D.
Nervous system
the heteromorphic alterna on of genera on are those in which: A. Gametophyte and sporophyte are similar in B. structure and size C. Gametophyte and sporophyte are similar in ✓ D. structure but dissimilar in size Sugar is obtained from
✓
Gametophyte and sporophyte are dissimilar structure but similar in size Gametophyte and sporophyte are dissimilar in both structure and size
A.
Saccharum officinarum
B.
Sorghum vulgare
C.
Saccharum munja
D.
Cymbopogan
B.
Bat
D.
Spiny ant eater
Which one of the following is an oviparous mammal? A.
Kangaroo
C.
Shrew
✓
First plants to colonize land were:
✓
A.
Bryophytes
B.
Pteridophytes
C.
Tracheophytes
D.
Spermatophytes
Asterias (Sea star), Sea Urchin, Sea Cucumber, Sea-dollar, Bri le star etc, are examples of Phylum: A.
Echinodermata
C.
Annelida
✓
B.
Mollusca
D.
Hemichordata
Sca ered vascular bundles are found in the stem of
✓
A.
Monocots
B.
Dicots
C.
Both
D.
None
Which of the following func on is performed by polyps of coelenterate colony:
✓
A.
It is responsible for nutri on
B.
It is responsible for asexual reproduc on
C.
It is responsible for sexual reproduc on
D.
It is a responsible for defense of the colony
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A " Tube within tube" is used for
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B.
Molluscs
C.
Nematodes
D.
Echinoderms
A.
They belong to division Radiate
C.
They have no special transport system
✓
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D.
Mesoderm is absent in them
Mesenchyma
B.
Mesogloea
Ectoderm and endoderm
D.
Gastrovascular cavity
A.
Rosaceae
B.
Fabaceae
C.
Solanaceae
D.
Caesalpiniaceae
------- is a dry, indehiscent fruit in which fruit wall is completely, fused with seed coat. A.
Dryopsis
B.
Faryopsis
C.
Caryopsis
D.
Synopsis
Polypes are cylindrical animals, which in most cases are nutri ve in func on, hence named as:
✓
A.
Gastrozooids
B.
Medusae
C.
Gonozooids
D.
Hydrozoan polyp
The skeleton of poriferans is in the form variously shaped needle-like structures called: A.
Spines
C.
Bristles
The development of embryo within the sponges includes A.
Gastrula and larval stage
C.
Marulla and larval stage
✓ ✓
B.
Spicules
D.
Hackles
B.
Blastula and larval stage
D.
Both a and b
All of the following are the members of eumetazoa except A.
Cnidaria
B.
Platyhelminthes
C.
Porifera
D.
Nematoda
Blastostyle of obelia reproduces
✓
A.
Asexually
B.
Sexually
C.
Both a or b
D.
Both a and b
Sharks, skates and rays are examples of class:
✓
A.
Chondrichthyes
B.
Osteichthyes
C.
Cyclostomata
D.
Myxini
B.
S nging cells
D.
Feeding cells
B.
Pig
D.
All of above
Cnidocytes give rise to nematocysts, the: Pinching cells Protec ng cells
✓
Tape worm is an endoparasite of: A.
Humans
C.
Ca le
✓
Cereals belong to the family :
✓ Q.242
They sown higher degree of specializa on
C.
C.
Q.241
B.
A.
A. Q.240
✓
Pyrus ( pear): Rose (rose): Malus (apple): Fragaria (strawberry) etc. are familiar plants of:
✓ Q.237
Annelids
Diploblas c animals that have two layers of
✓ Q.233
A.
Which of the following is not the character of the diploblas c organiza on:
✓ Q.231
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A.
Lilianae
B.
Cruciferae
C.
Gramineae
D.
Leguminosae
Sperms of sponges reached to recep ve body in water in the form of A.
Germ cells
C.
By cilia
✓
B.
Amoebiod cells
D.
All of these
lycopersicum esculentum (tomato) the favourite home garden vegetable was once believed to be: A.
Condiment
C.
Honey
✓
B.
Poisonous
D.
Carcinogenic
B.
Wings
The organs of locomo on in annelids are: A.
Legs
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D.
Setae
A.
It is not lined by coelom epithelum
B. D.
It has no rela on with the reproduc ve and excretory organs All of them
C.
It develops from blastocoel of embryo
✓
Heterogamy is the produc on of two type of: A.
spores
B.
gametes
C.
sperms
D.
eggs
In most sponges the body wall is formed of an outer layer, pinacoderms, made up of cells called: A.
Pinocytes
C.
Dermocytes
✓
B.
Pinacocytes
D.
Choanocytes
The gymnosperms didn't begin to flourish unit the mesozoic era, which events do you thinks fostered their dominance: A.
Air was full of oxygen
C.
Fer lity of soil
✓
B.
Plenty rain
D.
Appearance of seed
The term angiosperms literally means:
✓
A.
Enclosed seeded
B.
Naked seeded
C.
Open seeded
D.
Hidden seeded
B.
Polytrichum
D.
Both a & b
Examples of mosses are: A.
Funaria
C.
Anthoceros
✓
In Hemichordates, body divided into:
✓
A.
Proboscis, collar and trunk
B.
Head, collar and trunk
C.
Head, trunk and tail
D.
Head, thorax and abdomen
Sponges are reproduced vegeta vely through A.
Segmenta on
C.
Soma c copula on
✓
B.
Budding
D.
None of these
B.
Epigynous
D.
Both A & C
B.
Chordata
D.
Both a & b
In which condi on ovary is superior A.
Hypgynous
C.
Perigynous
✓
Echinodermata show affini es with: A.
Hemichordata
C.
Annelida
✓
The cones of pinus which are small size oanda are produced in clusters on an axis are:
✓
A.
male
B.
female
C.
both a & b
D.
none
In coelenterates, between the two layers of body wall, ectoderm and endoderm, there is jelly-like: A.
Mesenchyme
C.
Enteron
✓
B.
Mesogloea
D.
All of them
All insects have:
✓
A.
Three pair of legs
B.
Four pairs of lags
C.
Several pairs of legs
D.
No legs
B.
10 genera & species
D.
12 genera & 80 species
In Pakistan the family caesalpiniaceae is represented by. A.
6 general & 16 species
C.
16 genera & species
✓
The insects damage standing crops and other plants are
✓ Q.260
✓
Pseudocoelom is not homologous to true coelom because:
✓ Q.247
Muscles
Page 16
A.
Tsetse fly
B.
Common house fly
C.
Locusts
D.
Dragon fly
Coelom or body cavity formed due to spli ng of mesoderm is called:
✓
A.
Schizocoelous
B.
Enterocoelous
C.
Exteroceolous
D.
Archaeocoelous
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Q.262
Polychaeta, Oligochaeta, and Hirudinea are classes of Phylum: A.
Mollusca
C.
Echinodermata
Which of the following characteris cs is of Deuterostomia: A. Cleavage or division of the zygote is spiral or determinate D.
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✓
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B. C.
They mouth arise from the blastopore Mesoderm is derived from the wall of developing gut
Coelom or body cavity is formed by the spli ng of the mesoderm Dicot stem
B.
Monocot stem
C.
Dicot root
D.
Monocot root
A.
Echinodermata
C.
Annelida
✓
B.
Mollusca
D.
Hemichordata
Mammals Rep les
✓
B.
Birds
D.
Amphibians
A.
Cassia senna
B.
Cassia obovata
C.
Cassia alata
D.
None of above
The urochordate have:
✓
A.
Notochord in larva
B.
Notochord in adult
C.
Notochord is not produced at all
D.
Notochord Is present in larva and adult
In mammals the thoracic and abdominal cavi es are separated by a muscular: A.
Par
on
B.
Panel
C.
Septum
D.
Diaphragm
B.
Rose family
D.
Grass family
B.
It does not have well developed diges ve system It does not have well persistently found in
They rank third in economic important A.
Potato family
C.
Pea family
✓
Which of the following is incorrect about parasite: A. It does not have well developed respiratory system ✓ C. It does not have well developed reproduc ve system
D.
The exoskeleton of arthropods is in the form of an outer covering. the cu cle which is formed chiefly of:
✓
A.
Silica
B.
Chi n
C.
Calcium carbonates
D.
Lignin
Glycyrrhiza glabra are used for: A.
Whooping cough
B.
Yellow fever
C.
Cough & cold
D.
Leprosy
Seed plant produce micro and megagametophyte, this has led to which of the evolu onary event: A. Replacement of and megagametophyte, This ✓ B. Produc on of seed for dispersal of species has led to which of the evolu onary event: C. Forma on of flower D.
Q.274
Hemichordata
The leaves of which plant are used to cure ring worm and skin diseases
✓ Q.273
D.
External ear or pinna has a chain of three bones i.e, Incus, Malleus & Stapes in:
✓ Q.269
Annelida
Balanoglossus and Saccoglossus are common examples of phylum:
✓
Q.268
✓
B.
A.
C.
Q.267
✓
Cylindrical arrangement of vascular bundles
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Page 17
Both A and B are correct
Protandrous is the condi on where :
✓
A. C.
Male sex organs develop first Both male and female sex organs develop at the same me .
Hypogynous flowers have A.
Inferior ovary
C.
Both of these
✓
B.
Female sex organs develop first
D.
No sex organs develop
B.
Superior ovary
D.
None
Why confers are the most prevalent of the gymnosperms:
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A.
Fishes
C.
Rep les
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✓
B.
Birds
D.
Amphibians
Slime
B.
Calyptra
C.
Capsule
D.
Perigynous
The fruit Capsicum annuum and Capsicum frutescens are rich in: A.
Vitamin A & B
B.
Vitamin C & D
C.
Vitamin C & A
D.
Vitamin C & E
Which is mesodermal? C.
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D.
A.
A. Q.281
✓
Following fer liza on, the seed develop form the ovule all of the above
The sporophyte of bryophytes is usually differen ated into foot, sata and:
✓ Q.280
B.
The heart is 3-chambered with respect to atria and ventricle in:
✓ Q.279
In conifer life cycle prevalent of the gymnosperms The seeds are uncovered and dispersed by wind
Page 18
Gut Gonads
Acoelomates are plathyelmenthes that have A.
Cavity between gut and body wall
C.
No cavity but coelom is present
In radiate, all animals are A.
Monblas c
C.
Bilateral
B.
Skin
✓
D.
Gonads and muscles
✓
B.
No cavity
D.
Cavity between ectoderm and endoderm
B.
Diploblas c
D.
All of these
✓
Reduc on to a single func onal megaspore per sporangium take place so that:
✓
A.
Seeds has only one embryo
B.
Fruit can be formed
C.
The healthy embryo is produced
D.
None of above
Flatworms causes severe ------------------ and mental growth
✓
A.
Anemia in children
B.
Anemia in man only
C.
Anemia in women only
D.
Itching of intes ne
B.
Leaf
D.
Rachis
In garden pea, the tendrils are the modifica on of: A.
S pule
C.
Leaflet
✓
The phenomenon of alterna on of gametophyte and sporophyte in the life history of a plant is called:
✓
A.
Alterna on of genera on
B.
Polygenera ons
C.
Polymorphism
D.
Alterna on of plants
Aqua c arthropods respire through:
✓
A.
Gills
B.
Book lungs
C.
Both a & b
D.
Trachea
The gymnosperms are heterosporous which produce seeds but no: A.
Fruits
C.
Wood
✓
B.
Flowers
D.
Both a & b
Diploblas c animals are include in phylum:
✓
A.
Cnidaria
B.
Coelenterata
C.
Aschelminthes
D.
Both a & b
The pa ern of development of the leave of ferns is called circinate verna on, In this case: A.
Leaves coli over each other
C.
Leaf are arranged on stem in a clil pa ern
✓
B.
Leaf coil on itself
D.
None of the above
The term related to the forma on of body cavity by spli ng of mesoderm
✓
A.
Shizocoelous
B.
Enterocoelous
C.
Archenteron
D.
Pseudocoele
The megasporangium (Ovule) a er fer liza on is transformed into a seed and the integuments becoming the; A.
Fruit
B.
Fruit walls
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C.
Page 19
Seed coats
D.
Embryo sac
A hydrozoan polyp that may reach two metres in length is:
✓
A.
Branchioceranthus
B.
Physalia
C.
Vellela
D.
Obelia
Archenteron appears during A.
Cleavage
C.
Neurula on
✓
B.
Gastrula on
D.
Differen a on
Senna is a drug produced by
✓
A.
Cassia senna
B.
Cassia obovata
C.
Cassia fistula
D.
Cassia odorata
Tartaric acid is extracted from the plant
✓
A.
Logwood
B.
Dogwood
C.
Sandalwood
D.
Teakwood
B.
Protoc sta
D.
Fungi
Virtually all biologists agree that animals evolved form. A.
Monera
C.
Algae
✓
Which of the following is the beneficial factor in importance of insects: A.
The locust damage the crops
C.
They cause many disease
Euplectella is commonly called: A.
Venus flower basket
C.
Liver fluke
✓ ✓
B.
The act as scavengers
D.
It is protec ve in func on
B.
Jelly fish
D.
Dragon fly
B.
The tube nuclesu
D.
Both a & b
The microspore divides by mito c division to form: A.
Tow male gametes
C.
Gametes
✓
The ability to reform lost organs is called:
✓
A.
Moul ng
B.
Regenera on
C.
Apomixes
D.
Epiboly
A haploid spermatozoid (antherozoid) fuses with haploid egg or oosphere to produce: A.
Haploid
C.
Diploid oospore
Gymnosperms cons tute about one-third of the world's: A.
Fruits
C.
Vegetables
B.
Zygote
✓
D.
Both b & c
✓
B.
Forests
D.
Furnitures
Which has dormant embryo?
✓
A.
Seed
B.
Ovule
C.
Megaspore
D.
Endopsore
The animals having both male and female reproduc ve organs in the same individual are called: A.
Fraternal twins
C.
Gonadotrophs
✓
B.
Hermaphrodites
D.
Hybrids
In Lycopsids, the sporophyte may have sporangia of one kind as in: A.
Selaginella
C.
Marchan a
The poriferans are mostly hermaphrodite, mostly: A.
Protogynorus
C.
Protogamous
✓ ✓
B.
Lycopodium
D.
Psilotum
B.
Protgendrous
D.
Protandrous
Platyhelminthes exhibit bilateral symmetry and body is:
✓
A.
Unsegmented
B.
Metamerically segmented
C.
Simple segmented
D.
None of them
In Crustacea, on the dorsal side of the body the exoskeleton is in the form of:
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A.
Plastron
B.
Sleeve
C.
Carapace
D.
Sheath
B.
Sharks
D.
Rhinoceroses
B.
Cephalopoda
D.
Gastropoda
With the excep on of whale, the largest living vertebrates are. A.
Elephants
C.
Camels
A.
Bivalvia
C.
Oligochaeta
Q.316
✓
A.
8 cm
B.
8 um
C.
8A
D.
8 mm
B.
Non-reproduc ve parts
D.
Both a & b
The sepals and petals are:
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Q.324
A.
Natural rela onship among themselve
C.
Similarity in origin
A.
Diploid gametophyte
C.
Haploid gametophyte
✓
B.
Similarity in organiza on
✓
D.
All of these
✓
B.
Diploid sporophyte
D.
Haploid sporophyte
Spicules of sponges is A.
Calcarious
B.
Siliceous
C.
Either a or b
D.
Hard stones
B.
Vascular ssues
D.
Mul cellular sex-organs
B.
Pinus
D.
Ephedra
Tracheophytes are characterised by the present of: A.
Seeds
C.
Woody stems
Seeds are winged in case of: A.
Selaginella
C.
Cycas
✓ ✓
Life history of ------------ is characterized by metamorphosis.
✓
A.
Insects
B.
Crustaceans
C.
Polychaetes
D.
Prototheria
Dolphini is: A.
Fish
C.
Amphibian
✓
B.
Brid
D.
Mammal
Most of the food of the poriferans cons tutes A.
Phytoplanktons
B.
Zooplanktons
C.
Detritus par cles
D.
Inorganic materials
Copepods are
✓
A.
Arthropods
B.
Mammals
C.
Vertebrates
D.
Rep les
Megagametophyte of a flowering plants consists of how many cells
✓
A.
Seven
B.
Eight
C.
Six
D.
One
Heterospory is produc on of: A. C.
Q.325
Essen al parts
Fern Plant is:
✓ Q.322
Non-essen al parts
The phylogene c system of classifica on is a system of classifica on in which the organism are classified the basis of:
✓ Q.317
✓
At its longest diameter, size of prothallus is about:
C.
Q.315
✓
Loligo, Sepia and Octopus are examples of class:
A. Q.314
Page 20
Diploid and tetraploid spores Haploid and diploid spores
A swim bladder is present in: A.
Jawless fishes
C.
Car laginous fishes
B.
Sexual and asexual spores
✓
D.
Small and large size spores
✓
B.
Bony fishes
D.
Armoured fishes
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Parasite of flatworm remains embedded
✓
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✓
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In the voluntary muscles of cow
B.
In the involuntary muscles of cow
C.
In the gut of cow
D.
Faces of cow
A.
Ectoderm
B.
Endoderm
C.
Mesoderm
D.
Hypodermis
The excretory system of Platyhelminthes consists of branching tubes ending in bulb-like cells, the: A.
Flame cells
B.
Fire cells
C.
Bowman cells
D.
Blaze cells
In porifera, the pores through which water enters and leave the body is called
✓
A.
Os a and Osculum
B.
Os ole and gills
C.
Gills and spongocoel
D.
Flame cell and gizzard
B.
Hook worm
D.
Pin worm
Ancylostoma duodenale is commonly known as: A.
Ship worm
C.
Tape worm
A.
Chordates
B.
Echinoderms
C.
Annelids
D.
Hemichordates
B.
By giving enema to the pa ent
D.
By injec on of some chemical
Flatworms can be removed from the body of man A.
By medicines
C.
An bio cs
C.
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✓
Q.342
Mimosaceae
✓
B.
Poaceae
D.
Caesalpiniaceae
A.
archegonia
B.
antheridia
C.
gemme
D.
buds
The asexual reproduc on insponges is by: A.
Fragmenta on
B.
Fission
C.
Budding
D.
All of them
Only le aor c arch is present in: A.
Mammals
C.
Rep les
✓
B.
Birds
D.
Amphibians
The cavity that develops from the blastocoel of the embryo is:
✓
A.
Pseudocoelom
B.
Coelom
C.
Scrotal cavity
D.
Thoracic cavity
B.
B&D
D.
C&A
B.
Mollusca
D.
Hemichordata
The fruit of capsicum annum contains vitamin A.
A&B
C.
C&B
✓
Bipinnaria and brachiolaria are larvae of phylum: A.
Echinodermata
C.
Annelida
✓
Which one of the following is a mo le coelenterate?
✓ Q.341
Fabaceae
The embryo sac of pinus contains one several:
✓ Q.336
✓
Bauhinia Variegate (Kachnar), Cassia fistula (Amaltas), Parkinsonia, etc, are common ornamental plants of family: A.
Q.334
✓
Spiral and determinate cleavage is found in
✓ Q.332
A.
Integumentary system is developed from
✓ Q.329
Page 21
A.
Hydra
B.
Obelia
C.
Jelly fish
D.
Corals
When a spore of Adiantum, falls on a moist soil, it germinates at a suitable temperature and produces a: A.
Haploid gametophyte
C.
Diploid gametophyte
✓
B.
Prothallus
D.
Both a & b
B.
Mollusca
The largest number of animal in the world belong to phylum: A.
Coelenterata
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Cholera
C.
Both a & b
✓
B.
Hepa
D.
AIDs
s
A.
Coelom is formed of blastocoel
B.
Coelom is not formed form mesoderm
C.
Coelom in filled by mesenchyme
D.
Coelom is in highly reduced form
B.
Pseudocoelomata
D.
Radiata
B. D.
Cells show greater degree of specializa on May be coelomates, aceolomates pseudocoelomates
A.
Acoelomata
C.
Coelomata
✓
A.
Ectoderm, endoderm and mesoderm present
C.
Central nervous system is absent
The most common arthropods, on the earth are:
✓
A.
Crustaceans
B.
Arachnids
C.
Myriapods
D.
Insects
Mites and cks are included in class? A.
Crustacea
B.
Insecta
C.
Arachnida
D.
Myriapoda
Which of the following is advance character in echinoderms:
✓
A.
The have mesoderma skeleton
B.
They have radial symmetry
C.
They have no true coelom
D.
Regenera on take place in them
The body of tape worm is ribbon-like and divided into segments called:
✓
A.
Proglo ds
B.
Glo ds
C.
Both a & b
D.
Prostomium
Round worms are helpful for the A.
Breakdown of food material
B.
Breakdown of toxic chemicals in soil
C.
Breakdown of organic ma er
D.
All of these
Which of the following phyla is included in Parazoa?
✓
A.
Porifera
B.
Cnidaria
C.
Platyhelminthes
D.
Annelida
B.
Choanocytes
D.
Spicules
B.
Pinacophores
D.
Amoebocytes
Flagellated collar cells of the sponges are called as A.
Pinacocytes
C.
Os a
Pinacoderm is made up of: A.
Pinacocytes
C.
Choanocytes
✓ ✓
The microspores produced inside microsporangia germinated to form: A.
Male gametophyte
C.
Female gametophyte
✓
B.
Microgametophyte
D.
Both a & b
A few species of prosopis are planted in the arid zone for:
✓ Q.357
Echinodermata
Not a characteris c of triploblas c animal
✓ Q.352
A.
The animals which have a false coelom are called:
✓ Q.349
D.
In Acoelomate:
✓ Q.347
Arthropoda
The common House Fly carries disease causing organisms to contaminate food etc., and cause:
✓ Q.345
C.
Page 22
A.
Breaking wind pressure
B.
Skin diseases
C.
To control cholesterol
D.
To prevent AIDS
In Adiantum, the annulus occupies three fourth of the edge and remaining one fourth is the; A.
Stump
C.
Stunt
✓
B.
Stomium
D.
Stomp
In Pakistan, Solanaceae is represented by:
✓
A.
11, genera & 22 species
B.
12 genera & species
C.
14 genera & species
D.
15 genera & species
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The members of phylum Echinodermata exhibit bilateral symmetry during their
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C.
Adult stage
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All these ovules
C.
eggs
D.
antherozoids
A.
Calcium carbonate
C.
Chi n
✓
B.
Silica
D.
Lignin
A.
6 genera & 800 species
B.
43 genera & 1800 species
C.
56 genera & 2800 species
D.
50 genera & 2000 species
B.
Ornamental plants
D.
Garden plants
A.
Cereal crops
C.
Fodder Crops
✓
The sense organs are in the form of sensory papillae present on the lips at he anterior end, in:
✓
A.
Ascheliminthes
B.
Platyhelminthes
C.
Chindaria
D.
Porifera
The fruit of Capsium annum and Capsicu m frutenscens are rich in: A.
Vitamin A & B
B.
Vitamin C & D
C.
Vitamin C & A
D.
Vitamin C & E
B.
Liver Fluke
D.
Planaria
The following is a free living species and found in fresh water: Tape worm Blood fluke
✓
Some sharks reach 30 to --------- feet in length. A.
40
B.
60
C.
50
D.
70
Selaginella resembles seed producing plants (spermatophytes) because of its: A.
Homospory
C.
Polyspory
✓
B.
Heterospory
D.
Sporula on
Enterobius vermicularis is commonly known as:
✓
A.
Shipworm
B.
Hook worm
C.
Book worm
D.
Pin worm
Many grasses are used in the lawns e.g.,:
✓ Q.371
D. B.
Vicia, Melilotus and trifolium are cul vated as main,
✓
Q.369
Larval stage
seeds
C.
Q.368
B.
A.
A. Q.367
✓
Family Mimosaceae includes about:
✓ Q.366
Embryonic stage
Many colonial coelenterates such as corals produce a hard exoskeleton formed of:
✓ Q.363
A.
Female gametes formed within archegonia are termed as:
✓ Q.361
Page 23
A.
Agros s
B.
Poa
C.
Festuca
D.
All a, b, c
B.
Naked seeded
D.
Hidden seeded
The term gymnospermae literally means: A.
Enclosed seeded
C.
Open seeded
✓
Which of the following is the hook worm of the small intes ne of man A.
Enterobius sp
C.
Ascaris sp
✓
B.
Ancylostoma duodenal
D.
None of these
The pore through which the water leaves the body of sponge is known as:
✓
A.
Os a
B.
Osculum
C.
Aperture
D.
Orifice
B.
Amphibian
D.
Annelid
Salamander is a: A.
Bird
C.
Molluse
✓
An insect can be dis nguished form other arthropods by the presence of: A.
Compound eye
B.
Jointed appendages
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B.
Haemocoel
C.
Pseudocoelom
D.
Coelom
A.
Pollen grain
B.
Sporangia
C.
Sori
D.
Conidia
A.
Gut
B.
Archenteron
C.
Both a & b
D.
Stomach
B.
Leucoselenia
D.
Spongila
A.
Sycon
C.
Euplectela
✓
A.
Rachis
C.
Amenta
✓
B.
Ramenta
D.
Phenta
Insects give eggs on the plants and move from country to country by A.
Apples
C.
Guava
✓
B.
Locuts
D.
Pears
B.
Ventro-lateral
D.
Circular muscles
The muscles not found in nematodes A.
Dorso-lateral
C.
Longitudinal muscles
✓
Composi on of coral reefs A.
Silica
B.
Calcium
C.
Lime stones
D.
Calcium sulphate
B.
Equisetum
D.
Marsilea
Horsetail is the common name of: A.
Selaginella
C.
Dryopteris
✓
80% of food of sponges consists of: A.
Zooplnakton
C.
Phytoplankton
✓
B.
Detrital organic par cles
D.
Small fish
B.
Fabaceae
D.
Poaceae
Economically, the most important family is A.
Rosaceae
C.
Mimosaceae
✓
The development of tape worm zygote begins while it is inside
✓
A.
Of female uterus
B.
Testes of male
C.
Intes ne
D.
Stomach
In Pakistan, Fabaceae is represented by:
✓
A.
82 genera & 587 species
B.
62 genera & 383 species
C.
43 genera & 546 species
D.
58 genera & 659 species
The nitrogen containing complex carbohydrate secreted by epidermis in insects A.
Cu n
B.
Tergum
C.
Chi n
D.
Wax
When leaf has a single undivided vein such a leave is called:
✓ Q.391
Blastocoel
The bases of the fronds are covered with dry brown scales called:
✓ Q.390
A.
Fresh water sponges is
✓ Q.384
Three pairs of legs
Deuterostomia (Deuterostomes) mesoderm is derived from wall of developing:
✓ Q.379
D.
What is born on the underside of reflexed lobes of the margins of leaflets of Adiantum:
✓ Q.378
✓
The body cavity of Nematoda:
✓ Q.377
Antennae
Page 24
A.
Magaphyll
B.
Macrophyll
C.
Microphyll
D.
None of them
Which is the first group of invertebrates that has developed a closed circulatory system: A.
Cnidarians
C.
Echinoderms
✓
B.
Annelids
D.
Molluscs
Only right aor c arch is present in:
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Mammals
B.
Birds
C.
Rep les
D.
Amphibians
A.
Honey
B.
Wax
C.
Sugar
D.
Both a & b
B.
Flagellated, mo le antherozoids
D.
Lack of vascular ssue
A bryophyte differs from pteridophytes in: A.
Independent gametophytes
C.
Archegonia
A.
Molluscs
B.
Annelids
C.
Arthropods
D.
Echinoderms
B.
Porifera
D.
Both (a) & (c)
Diploblas c animals are included in phylum: A. C.
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Q.402
✓
Q.404
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Q.407
✓
Choanocytes
B.
Pinacocytes
C.
Amoebocytes
D.
Phagocytes
A.
Parent cell
B.
Father cell
C.
Mother cell
D.
Daughter cell
A.
Tobacco pipes
B.
Walking s cks
C.
Furniture
D.
Baskets
B.
Pis l - Produce pollen
D.
Ovary - becomes fruit
B.
Their coelom conain blood
D.
Their coelom is divided into cavi es
Which fo the following is mismatched: A.
Anther - Produce microsporangia
C.
Ovule - becomes seed
✓
The coelom of the arthropods is called haemocoel because: A.
The do not have true coelom
C.
Their coelom is not mesodermal in origin
✓
The acidic fruit of Tamarindus indica are edible and are rich in: A.
Citric acid
B.
Ace c acid
C.
Tartaric acid
D.
Vitamin C & A
Lemon grass oil is used in
✓
A.
Perfumes
B.
Rum molasses
C.
Ethyl alcohol
D.
Laxa ves
B.
Filicinae
D.
None
The leaves are called fronds in class: A.
Angiospermae
C.
Gymnospermae
✓
Pseudcoele is filled with A.
Protein deficient fluid
B.
Non-vacuolated cells
C.
Vacuolated cells
D.
Carbohydrate rich fluid
Mosses produc ces ar algae like structure during its life cycle called: A.
Ligule
C.
Paraphysics
✓
B.
Protonema
D.
None of these
The scien fic name of tape worm is:
✓ Q.408
A.
The wood of pyrus pas a is used for making:
✓ Q.406
Coelentereta
✓
Each megasporangium has a single diploid megaspore:
✓ Q.403
Cnidaria
In poriferans, the food is ingested by the flagellated cells, the:
✓ Q.399
✓
An extensive tracheal system formed of air tube called tracheae is found in most:
✓ Q.396
A.
The useful insects are the Honey bee that provides man with:
✓ Q.394
Page 25
A.
Dugesia
B.
Fasciola hepa ca
C.
Taenia solium
D.
Schistosoma
Oil extracted form the seeds of ynometera cauliflora is applied for.
✓
A.
AIDS
B.
Hepa
s
C.
Bone Fractures
D.
Skin Diseases
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The bark of Bauhinia purpurea and Tamarindus indica is used in: A.
Stuffing
C.
Medicine
Dominant zooids in Aurelia are A.
Polyps
C.
Blastostyle
✓ ✓
B.
Tanning
D.
Agriculture
B.
Medusae
D.
Gastrozooids
Polyps are cylindrical animals, which in most cases are nutri ve in func ons, hence named as: A.
Blastostyle
C.
Gastrozooids
✓
B.
Gonozooids
D.
Nectophore
Two pairs of maxillae are found in
✓
A.
Crustaceans
B.
Insects
C.
Myriapods
D.
None of these
How many eyes are usually present in spiders?
✓
A.
8
B.
6
C.
4
D.
2
B.
female
D.
none
The cones of pinus which are large and conspicuous are: A.
male
C.
Both a & b
✓
Which of the following characteris cs is irrelevant to tracheophytes: B. They have vascular system in stems roots and A. They have root,stem and leaves leaves ✓ D. Their gametophyte is dominant over C. They have protected sporangia sporophyte Anemia causing nematode parasite is
✓
A.
Hook worm
B.
Ascaris
C.
Pin worm
D.
Tape worm
B.
Africa
D.
All of these
Corals are usually found in the coastal waters of A.
America
C.
Australia
✓
In tradi onal two -kingdom systems, the mul cellular animals were referred to broadly as:
✓
A.
Metazoa
B.
Parazoa
C.
Telozoa
D.
Anazoa
Flame cells are the excretory cells in:
✓
A.
Flat worms
B.
Segmented worms
C.
Round worms
D.
Insects
Haematoxylin is a dye used to stain ssue cells of plants derived from A.
Teakwood
C.
Sandalwood
Heart is 3 chambered in: A.
Fish
C.
Bird
B.
Dogwood
✓
D.
Logwood
✓
B.
Frog
D.
Rep le
B.
The are not pollinated
D.
They have no overy
Fruit are not formed in gymnosperms because: A.
They are seedless plants
C.
Fer liza on does not take place
✓
Overtopping and plana on was followed by a process known as: A.
Fusion
C.
Spreading
✓
B.
Webbing
D.
Both a & b
The sporangia of class filicinae is called foliar sporangia because:
✓ Q.425
Page 26
A.
The sporangia is flower like
B.
The sporangia develops from leaves
C.
The sporangia is a ached with leaves
D.
They have protected sporangia
Animals included in phylum porifera are dis nguished on the basis of the presence of
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✓
Q.437
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Gut
Pores within the body
D.
None of these
A.
Arthropoda
B.
Mollusca
C.
Echinodermata
D.
Cnidaria
A.
Three layers of their body
B.
Three layers of their coelom
C.
Three layers of ectoderm
D.
Three layers of mesoderm
A.
Crustaceans
C.
Arachnids
✓
B.
Insects
D.
Myriapods
Which of the following characteris cs is not of the bilateria:
✓
A.
They have radial symmetry
B.
They have anterior and posterior ends
C.
They may be triploblas c
D.
They have dorsal and ventral sides
In annelids, excre on takes place by specialized structures are called: A.
Kidneys
C.
Flame cells
✓
B.
Malpighain tubules
D.
Nephridia
Petunia, Nico ana, Cestum and Solanum are some ornamental plants of family A.
Rosaceae
B.
Mimosaceae
C.
Solanaceae
D.
Poaceae
B.
Psilotum
D.
Marchan a
One good example of hepa copsida is: A.
Anthoceros
C.
Funaria
✓
The animals which have a true coelom have been grouped under: A.
Acoelomata
C.
Pseudocoelomata
✓
B.
Coelomata
D.
Procoelomata
The animals which do not have a body cavity have grouped under.
✓
A.
Acoelomata
B.
Coelomata
C.
Pseudocoelomata
D.
Pro Coelomata
Which one is a parasite A.
Water lily
B.
Wild geranium
C.
Indian pipe
D.
Indian perch
B.
Saccharum officinarum
D.
Mimosa pudica
Ropes are made of fibres obtained from the leaves of: A.
Saccharum munja
C.
Cymbopogon citratus
✓
Which of the following is a similarity between annelids and molluscs: A.
Both have segmenta on
C.
Both reproduce asexually
✓
B.
Both have similar larva
D.
Both live on land
Free living freshwater platyhelminthes is
✓
A.
Dugesia
B.
Taenia
C.
Fasciola
D.
All
Cereals and millets which cons tute the chief food stuff of mankind belong to family: A.
Gramineae
C.
Both a & b
✓
B.
Poaceae
D.
Solanaceae
B.
6 genera & 16 species
D.
11 genera & 49 species
In Pakistan family mimosaceae is represented by: A. C.
Q.441
B.
Double nerve cord and fused ganglionic brain is the feature of
✓ Q.436
C.
✓
Triploblas c animals contains
✓ Q.432
Coelome cavity
A well developed excretory system comprising of Malpighian tubules is present in:
✓ Q.427
A.
Page 27
4 genera & 9 species 8 genera & 35 species
✓
Fabaceae is also called:
✓
A.
Potato family
B.
Peanut family
C.
Pea family
D.
Cassia family
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Intermediate host of Fasciola hepa ca is
✓ Q.443
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Pig
A.
Choanocytes
C.
Amoebocytes
✓
B.
Pinacocytes
D.
Phagocytes
A.
They have compact body
C.
They Transfer their sperm by water
✓
B.
They have a pores in the body
D.
They have xylem
A.
Trochophore
B.
Medusae
C.
Bipinnaria
D.
Nymph
B.
Shipworms
D.
Both a & b
A.
Slugs
C.
Mussels
✓
A.
Ventral tubular nerve cord
C.
Dorsal tubular nerve cord
✓
B.
Dorsal nerve cord
D.
Ventral nerve cord
A.
Echinodermata
C.
Anneloida
✓
B.
Nimatoda
D.
Arthropoda
A.
Porella
B.
Marchan a
C.
Anthoceros
D.
Polytrichum
Which of the following is a unique feature of bryophytes in comparison to higher plants? A.
They lack roots
B.
Their Sporophyte is a ached to gametophyte
C.
They lack vascular ssue
D.
Sex organs are mul cellular and jacketed
B.
Bauhinia variegata
D.
Shisham
The flower buds of -------------------- is used as vegetable A.
Cassia fistula
C.
Tamarindus
✓
Atropa, belladonna and datura which are rich in atropine and daturine respec vely are used: A.
agriculturally
C.
technically
✓
B.
medicinally
D.
beau fully
Cleavage plane at right angle or symmetrical to polar axis A.
Determinate
B.
Indeterminate
C.
Radial
D.
Spiral
The name cnidaria has been given to this group of animals due to the presence of special cells called: A.
Phagocytes
B.
Nematocytes
C.
Cnidocytes
D.
Choanocytes
The branches of crataegus provide excellent: A.
walking s cks
B.
Wood
C.
Clubs
D.
Both a & b
Unicellular animals were referred to as A.
Mesozoa
B.
Metazoan
C.
Protozoa
D.
Eumetazoa
The characteris c s nging cells of phylum coelenterata are called:
✓ Q.458
D.
Example of Anthoceropsida is:
✓ Q.457
Snail
_________ phyllum contains maximum parasite
✓ Q.456
C.
Chordates are dis nguished form non-chordates by the presence of:
✓ Q.455
Man
The harmful molluscs are:
✓ Q.454
B.
Cnidarians are found in two basic forms: the polyps and the:
✓ Q.451
Sheep
Which of the following is not the adapta on of bryophytes on land:
✓ Q.450
A.
In most sponges this spongocoel may be divided into flagellated chambers or canals, lined by flagellated:
✓ Q.446
Page 28
A.
Cnidocytes
B.
Pinacocytes
C.
Nematocysts
D.
Choanocytes
B.
Protoplasmic
Which type of organisa on is found is hydra?
✓
A.
Tissue
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✓
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✓
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Tamarindus indica
B.
Cassia fistula
C.
Bauhinia variegata
✓
D.
All of these
A.
carnivores
B.
Herbivores
C.
Detritus feeders
D.
Omnivores
A.
Sleeping sickness
C.
Lung infec on
✓
B.
Skin diseases
D.
Both a & b
A.
Monoecious
B.
Dioecious
C.
Monoecious and dioecious
D.
Heterothallic
Ginkgo belongs to class. A.
Angiopsemae
B.
Filicineae
C.
Gymospermae
D.
Anthoceropsida
Muscular, skeletal and reproduc ve systems are originated from the layer: A.
Ectoderm
B.
Endoderm
C.
Mesoderm
D.
None of them
All of the following are the characteris cs of deuterostomes except A.
Cleavage is radial
B.
Anus is formed from blastopore
C.
Coelom
D.
Enteron
The asexual reproduc on in sponges is by: A.
Binary fission
B.
Transverse fission
C.
Budding
D.
Parthenogenesis
B.
Dehydra on
D.
All of these
Alcohol is obtained by ________ process? A.
Fermenta on
C.
Hydrolysis
✓
Osteichthyes have brain with 10 pairs of:
✓ Q.469
A.
Gametophyte of fuari a is:
✓ Q.467
Cellular
The Tse-Tse fly of African countries transmits trypanosoma. the cause of:
✓ Q.466
D.
Coelenterates are
✓ Q.465
Organ-system
Which is familiar plant of family caesalpiniaceae?
✓ Q.464
Page 29
A.
Cranial nerves
B.
Cerebral nerves
C.
Spinal nervous
D.
Both a & b
The heartwood of Haematoxylon yields the dye:
✓
A.
Haematoxylin
B.
Haemocyanin
C.
Haemoglobin
D.
Hemoerythrin
Sleeping sickness and skin diseases are caused by the following arthropod A.
Fleas
C.
Mices
✓
B.
Tse-tse fly
D.
Ants
B. D.
Forming aerial setm first year and flowering in second year Store food, grown vegeta vely in first year and bearing flowers and fruits in the next year
B.
Annelida
✓
D.
Nematoda
B.
Eukaryo c
✓
D.
All of them
✓
B.
Man
D.
Monkey
Biennials are characterized by: A.
Beaing flowers for two seasons
C.
Flowering in first year and frui ng in second year
✓
Round worms belong to phylum: A.
Mollusca
C.
Arthropoda
Kingdom Animalia includes all animals which are: A.
Mul cellular
C.
Diploid
Ascaris lumbricoides is a intes nal parasite of: A.
Horse
C.
Donkey
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Coelomates are the organisms which have cavity between
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C.
Body wall and archenteron
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Body wall and alimentary canal
D.
All of these
Past-anal tail
B.
Notochord
C.
Gill slits
D.
Dorsal nervous system
A.
False body cavity
C.
False coelom
✓
B.
Pseudocoelom
D.
All of them
The sub-kingdom that includes animals of all the phyla except simplest animals is A.
Parazoa
B.
Protozoa
C.
Eumetazoa
D.
Proterostomia
The animals which possess coelom or true body cavity are called: A.
Acoelomates
C.
Pseudocoelomates
✓
B.
Coelomates
D.
None
A group that has combina on of both invertebrate and chordate characteris c is: A.
echinodermata
C.
cephalochordata
Poaceae is also called: A.
Corn family
C.
Acacia family
✓
B.
hemichordata
D.
urochordata
B.
Grass family
D.
Casia family
B.
Moisture loving plants
✓
D.
Both a & b
✓
B.
Fose family
D.
Apple family
✓
The Filicinae or Ferns are mostly: A.
Shade loving plants
C.
Sun loving plants
Rosaceae is also called: A.
Pea family
C.
Pear family
Placoid scales are present on the body of: A.
Chondrichthyes
C.
Cyclostomata
✓
B.
Osteichthyes
D.
Myxini
The stamens and carpels are the: C.
Q.487
B.
A.
A. Q.486
✓
In Aschelminthes the space between the body wall and the diges ve tube is called:
✓ Q.479
Body wall and coelomic cavity
Phylum chordata derives its name from the presence of:
✓ Q.477
A.
Page 30
Essen al parts Non-essen al parts
Solanaceae is family of about: A.
90 genera & 200 Species
C.
70 genera & 200 species
B.
Reproduc ve parts
✓
D.
both a & b
✓
B.
90 genera & 2000 species
D.
80 genera & 1000 species
In sponges the skeleton is in the form os variously shaped needle-like structures called: A.
Os a
C.
Operculum
✓
B.
Spines
D.
Spicules
All mammals without any excep on:
✓
A.
Give birth to you ones
B.
Possess external ears
C.
Possess seven cervical vertebrae
D.
Possess four canine teeth
B.
Dalbergia sisso
D.
Zea mays
B.
Cephalopoda
D.
Gastropoda
Scien fic name of shisham is: A.
Capsicum annum
C.
Cassia fistula
✓
Helix aspersa and limad (slug) are examples of class: A.
Bivalvia
C.
Pelecypoda
✓
Flower diversifica on may be associated with which of the means: B. Numerous means by which fruits are ✓ A. Numerous means by which flowers are
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Chondrichthyes
C.
Cyclostomata
✓
Gill slits are in some non-func onal
B.
Osteichthyes
✓
D.
Myxini
A.
Pinacocytes
B.
Pinacophores
C.
Choanocytes
D.
Amoebocytes
A.
Deuterostomia
B.
Protostomia
C.
Molluscs
D.
All of these
B.
Railway carriage
D.
Both a & b
The word of Albizzia lebbek is used in: Cabinet work Electric poles
✓
Chloroplast has a double membrane envelop that encloses dense fluid filled region, the: A.
Matrix
C.
Thylakoid
✓
B.
Stroma
D.
Granum
About 20% of food of sponges is: A.
Zooplankton
B.
Detrital organic paricles
C.
Phytoplankton
D.
Small fish
Arrangement of unequal dichotomies in one plane is termed as:
✓ Q.500
C.
Mesoderm derived from wall of gut
✓ Q.499
Gill slits are present only in lower chordates
Choanoderm is made of collared flagellated cells called:
C.
Q.498
B.
Gill slits are present in only in embryonic stage
A.
A. Q.497
D.
dispersed All of teh above
Lamprey and hagfish are examples of class:
✓ Q.495
pollinated Various habitats in which plants survive
Which of the following is not a chordate characters: ✓ A. Gill slits are present in all the chrodated all the life D.
Q.493
Page 31
A.
Overtopping
B.
Fusion
C.
Plana on
D.
Webbing
B.
Both male and female sex organs are present but male sex organ become mature first In which sex organs are absent at all
Protandrous is a condi on in which of the following: A.
Both male and female sex organs are present
✓
C.
Q.501
Both male and female sex organs are present D. but female sex organ become mature first The body is covered by a glandular epithelia envelope called mantle in:
✓ Q.502
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coelenterates
B.
annelids
C.
echinoderms
D.
arthropods
In molluscs a respiratory pigment of blue color is present called. A.
Haemoglobin
C.
Haemobilin
✓
B.
Haemoerythrin
D.
Haemocyanin
The length of rinat squid is:
✓ Q.504
A.
A.
5 Meters
B.
10 Meters
C.
15 Meters
D.
20 Meters
In the mature prothallus, archegonia occur near the notch and the antheridia are sca ered among the A.
Archegonia
C.
Roots
✓
B.
Rhizoids
D.
Branches
In echinoderms, water enters water vascular canals through a sieve-like plate called.
✓
A.
Madreporite
B.
Strainer
C.
Colander
D.
Filter
B.
Bilaterally symmetrical animals
D.
All
Triploblas c animal are A.
Eumatazoa
C.
Radiates
✓
Large leaves having divided veins and vein-lets with an expanded leaf blade or lamina are known as:
✓ B. Megaphylls _______________________________________________________________________________________ Almiraj Academy Timber Market Ravi Road Lahore (0331-4033092) A.
Microphlylls
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A.
Stem
C.
Flowers
A.
earthworm
C.
bu er fly
Q.518
✓
B.
Root
D.
leaves
✓
They Cleavage produces ers of the cells on the top of each other They produce unequal cells around the axis of polarity
B.
grasshopper
D.
Snail
A.
Reproduc on
B.
Locomo on
C.
Offense & defense
D.
Diges on
B.
Bryophytes
D.
Angiosperms
B.
Mesoglea
D.
Parenchyme
First land inhabi ng plants are: A.
Gymnosperms
C.
Pteridophytes
✓
In cnidarians, between the two layers, there is a jelly like: A.
Mesenchyme
C.
Both a & b
✓
The group of ancient fish which showed modifica on of aqua c breathing system by developing lungs are: A.
Trout
B.
Skates
C.
Dipnoi
D.
Hagfishes
Each segment in Hirudinea has addi onal circular rings or markings called: C.
Q.517
None
Nematocysts are organ of?
A. Q.516
D.
In case of radial and indeterminate cleavage which is irrelevant: B. ✓ A. The planes of division are diagonal to hte polar axis C. The line or planes of cleavages are not D. symmetrical The Helix aspersa is commonly termed garden:
✓ Q.515
Both a & b
indigo dyes are obtained from indigofera nctoria and Butea monosperma, yielding yellow dye form:
✓ Q.512
Page 32
Bracelets Annuli
✓
B.
Trinkets
D.
Charms
Both, stem and rhizome, are dichotomously branched in:
✓
A.
Psilopsida
B.
Lycopsida
C.
Sphenopsida
D.
Pteropsida
Shell of freshwater mussels is used in:
✓
A.
Mineral industry
B.
Bu on industry
C.
Soap industry
D.
Cement industry
Which one is not adapta on for parasi c mode of life of platyhelminthes A. C.
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Q.520
Absence of epidermis B. Simplified diges ve system Developed and complicated reproduc ve ✓ D. Developed muscular system system Endoderm forms the lining of diges ve tract and forms other glands of diges ve system, such as: Liver
✓
Stomach
D.
Gonads
A.
Nervous system
B.
Diges ve system
C.
Transport system
D.
Muscular system
A.
Oxygen
B.
Nitrogen
C.
Energy
D.
Heat
The archegonium consists of:
✓ Q.523
C.
B.
The breaking of the terminal phosphate of ATP releases about 7.3 K cal of:
✓ Q.522
Kidney
The systems which are absent in aschelminthes
✓ Q.521
A.
A.
Venter & stalk
B.
Ovary & style
C.
Venter & neck
D.
Ovary & neck
Each sporophyll of a female cone consists of:
✓
A.
Small and large scales
B.
Lower and upper scales
C.
Bract and ovuliferous scales
D.
Bract and oviparous scales
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In Deuterostomia (Deuterostomes) cleavage is: A.
Radial
C.
Determinate
C.
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✓
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Both a & b
Chordata
✓
B.
Hemichordata
D.
All a, b, c
A.
Parechyma
B.
Endosperm
C.
Nucllus
D.
Nuta on
B.
Solanaceae
D.
Poaceae
A.
Rosaceae
C.
Fabaceae
✓
A.
Fern
B.
Cycas
C.
Both a and b
D.
Pinus
B.
Bilateral
D.
Absent
The symmetry in sponges is A.
Radial
C.
Acoelomate
✓
Venus flower basket are generally known as
✓
A.
Euplectella sponges
B.
Sycon sponges
C.
Obelia
D.
Hydra
Pseudocoelom is derived from the hollow space, blastocoel, situated in the: A.
Gastrula
C.
Neurula
✓
B.
Blastula
D.
Morula
Which is plants are said to be the amphibians of the plant world: A.
Pteriodophytes
C.
Trachaeophytes
✓
B.
Bryophytes
D.
Spermatophytes
The coelenterates range in size from microscopic Hydra to microscopic ______________ that may reach two meters in length: A.
Balanoglossus
C.
Saccoglossus
The name Nematoda means: A.
Round worm
C.
Pointed ends
B.
Obelia
✓
D.
Branchioceranthus
✓
B.
Flatworm
D.
Blunt ends
The Nematodes have: A.
Blind ends
B.
Without ends
C.
Pointed ends
D.
Rounded ends
Which of the following is not the parasi c parasi c adapta ons of parasite: A.
The epidermis is replaced by cu cle
B.
The have developed adhesive organs
C.
The show simple life cycles
D.
They depend on host for food
Plants which survive year to year are;
✓ Q.538
Indeterminate
in which of the following there is circinate verna on:
✓ Q.537
Echinodermata
Lycopersicum and Capsicum are present in family
✓ Q.536
B. D.
The ovule consists of an integument and a issue the:
✓ Q.527
✓
The series deuterostomia includes animals belonging to phyla: A.
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Page 33
A.
Annuals
B.
Biennials
C.
Perennials
D.
Deciduous
In Pakistan family Poaceae is represented by:
✓
A.
108 genre & 402 species
B.
158 genera & 492 species
C.
58 genera & 192 species
D.
123 genera & 312 species
Defini ve host of Taenia solium is
✓
A.
Man
B.
Pig
C.
Sheep
D.
Ca le
In arthropods, blood is colourless as it is without:
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A.
Amphibians
C.
Aves
D.
Hemoerythrin
B.
Rep les
✓
D.
Mammalia
A.
Bryophytes and pteridophytes
B.
Pteridophytes and gymnosperms
C.
Peridophytes, gymnoserms and angiosperms
D.
Bryphytes
A.
Nematoda
C.
Mollusca
✓
B.
Annelids
D.
Arthropda
A.
Rhynia
B.
Lycopodium
C.
Adiantum
D.
Gingko
B.
In Asia
✓
D.
All of these
✓
B.
Habitat for sea animals
D.
habitat for all types of animal life
B.
5
D.
3
Ancylostoma duodenale hood worms are generally observed A.
In Africa
C.
North America
Corals are the examples of massive structures serve as A.
Food material for sea animals
C.
Variety of food par cles
Thorax of insects has ___________ segments A.
4
C.
6
✓
Heterosporous condi on is necessary for the evolu on of seed because: ✓ B. Only smaller spore mo le larger spore A. Tow types of spore become mo le remains immo le C. Only larger spore become mo le smaller D. Larger spore become mo le smaller spre spore become immo le becomes mo le A mammal can be dis nguished for other animals by the presence of: A.
Teeth
C.
Vivipary
✓
B.
Diaphragm
D.
Mammary glands
B.
Haploid, diploid
D.
Both diploid
Polyp & medusae are ________ respec vely A.
Diploid, haploid
C.
Both haploid
✓
Caesalpiniaceae is also called: A.
Grass family
B.
Mimosa family
C.
Cassia family
D.
Acacia family
In bony fish the fills are not exposed but are covered by a lid like structure called. A.
mantle
C.
cu cle
✓
B.
epiglo s
D.
operculum
At the ps of the branches in psilopsida are produced: A.
Archegonia
B.
Antheridia
C.
Sporangia
D.
Zygote
The classes amphibia, rep lia, aves and mammalian are included in superclass: A.
Pisces
C.
Cephalopoda
✓
B.
Tetrapoda
D.
Misces
B.
Bat
D.
Spiny ant eater
B.
Tissue
Which one of the following is an oviparous mammal? A. C.
Q.556
Chlorophyll
Which of the following is called maiden hair fern:
✓ Q.554
Haemocyanin
B.
The first group of invertebrates which have developed a closed circulatory system is?
✓ Q.552
C.
✓
Tracheophytes are represented by:
✓ Q.545
Haemoglobin
External ear first evolved in:
✓ Q.543
A.
Page 34
Kangaroo Shrew
✓
Level of organiza on in coelenterates is:
✓
A.
Cellular
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Page 35
Organ-system
___________ is used as dye A.
Hematoxylin
C.
C.Senna
✓
D.
None of these
B.
Hematoxylon
D.
Bambusa
In most sponges the body wall is formed of an outer layer, pinacoderm, and an inner layer: A.
Phagoderm
C.
Myoderm
✓
B.
Blastoderm
D.
Choanoderm
Q.559
What is not true about Pseudocoelom
Q.560
Is bonded externally by cu cle and internally by muscles C. Has no rela on with reproduc ve and D. Is the space between muscles and the excretory organs digis ve tube In Anthoceros sporophyte at the junc on of foot and spore-producing region, there is a band of:
Q.561
Q.562
✓
Q.564
Q.566
Q.567
Q.569
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Q.571
Q.572
Paraphyses
C.
Phloem
✓
B.
Meristema c ssue
D.
Xylem
A.
Legs
C.
Wings
✓
B.
Antennae
D.
Whiskers
A.
Fabaceae
B.
Poaceae
C.
Mimosaceae
D.
Caesalpiniaceae
According to available fossil records which fo the following are the first land vascular plants:
✓
A.
Psilophytales
B.
Horsetails
C.
Lycopsida
D.
Cycads
Which is not concerned with bryophytes? A.
Mo le male gametes
B.
external water essen al for fer liza on
C.
Independent sporophyte
D.
Archegonia present
Coelom is filled with fluid called: A.
Salty fluid
C.
Coelomic fluid
✓
B.
Lympha c fluid
D.
Organic fluid
In some mammals the hair have modified into spines e.g:
✓
A.
Penguin
B.
Panther
C.
Pangolin
D.
Porcupine
In sponges the pores through which enters the body of sponges are called;
✓ Q.568
A.
B.
Acacia nilo ca, Albizia lebbek, Mimosa pudica (Touch me not), Prosopis glandulosa are familiar plants of Family:
✓ Q.565
Is filled by fluid
The thorax in insects has three segments in which are present three pairs of jointed legs and in many one or two pairs of:
✓ Q.563
A.
A.
Osculum
B.
Apertures
C.
Os a
D.
Orifices
The female gametophyte in angiosperms is called:
✓
A.
Embryo sac
B.
Archegonium
C.
Seed
D.
Seeding sac
To avoid entering flatworm in the body of man
✓
A.
A Cow meat should be cooked properly
B.
Cow meat should not eaten
C.
Cow meat must disinfest before ea ng
D.
Cow meat mus be fresh
Protec ve embryonic membranes i.e, amnion, allantois and chorion are not present in: A.
Mammals
C.
Rep les
✓
B.
Birds
D.
Amphibians
The cones of pinus which are small in size and are produced in clusters on an axis are:
✓
A.
male
B.
female
C.
Both a & b
D.
none
B.
Omentum
The lining of the coelom is: A.
Mesentery
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A.
Insecta
C.
Myriapoda
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✓
B.
Arachnida
D.
Crustacea
Hookworm
B.
Blood worm
C.
Pinworm
D.
Round worm
B.
Nephridia
D.
Nephron
in annelids, organs for excre on are: A.
Flame cells
C.
Kidneys
✓
The body of annelids is:
✓
A.
Metamerically segmented
B.
Myomerically segmented
C.
Protomerically segmented
D.
Eumerically segmented
B.
Giant squid
✓
D.
Physalia
B.
Bryopsida
✓
D.
All a,b,C
B.
Vegetable
D.
Ornament
The largest invertebrate animal is: A.
Octopus
C.
Cu le fish
Bryophytes are divide into: A.
Hepa copsida
C.
Anthoceropsida
The level and flowers bud of Bauhinia Variegate are used as. Ointment Fodder
✓
Sponges are delicate and beau ful made up to glassy framework are called
✓
Q.582
Peritoneum
A.
C.
Q.581
D.
Enterobious vermicularis is
A. Q.580
✓
There is a pair of appendages called chelicerae with claws, two pairs of pedipalps and four pairs of legs in:
✓ Q.575
Endothelium
Page 36
A.
Sycons
B.
Leucoselenia
C.
Euplectella
D.
Spongilla
The seeds of plant Cynometra produces oil that is used for the treatment of A.
Cholera
C.
HIV
✓
B.
Skin diseases
D.
Malaria
Scorpions, spiders, mites and cks are examples of class:
✓
A.
Insecta
B.
Arachnida
C.
Myriapoda
D.
Crustacea
B.
Outer wall of fruits
D.
Outer wall of ovules
Pericarp is A.
Outer wall of seeds
C.
Out wall of Ovary
✓
Female mosquito of genus Anopheles transmits Plasmodium that causes malaria fever in:
✓
A.
Man
B.
Sparrow
C.
Horse
D.
Cow
Most arthropods possess an extensive system formed of air tubes called trachea for the exchange of: A.
Water
C.
Food
✓
B.
Minerals
D.
Gases
Short, thick and underground stem is found in:
✓
A.
Adiantum
B.
Marchan a
C.
Pinus
D.
Dalbergia
B.
Water courses
D.
All a, b, c
Adiantum is a fern growing at: A.
Moist walls
C.
Drains
✓
Lathyrus, Lupinus, Clitoria, Butea etc, are some important ornamental plant of family: A.
Fabaceae
C.
Mimosaceae
✓
B.
Poaceae
D.
Rosaceae
The glasses that fill the swim bladder are either:
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Q.596
Q.597
✓
Q.600
Q.601
Q.602
Q.603
Q.604
B.
Oxygen, carbon dioxide and nitrogen
C.
Oxygen carbon dioxide and hydrogen
D.
Oxygen, hydrogen and nitrogen
A.
Eutheria
B.
Metatheria
C.
Prototheria
D.
Atheria
A.
Male sex cells develop first
B.
Female sex cells develop first
C.
Both cells are produces on the same me
D.
Only male sex cells are produced
Larval stage of parasite in seen in A.
Defini ve host
C.
Mature host
✓
B.
Intermediate host
D.
Adult host
A.
Trypanosoma
B.
Plasmodium
C.
Oxalic acid
D.
Toxins
Pulses are rich in
✓
A.
Proteins
B.
Lipids
C.
Carbohydrates
D.
Vitamins
Animal involved in causing malaria
✓
A.
Tse Tse fly
B.
Fly
C.
Plasmodium
D.
Mosquito
Male gametophyte is:
✓
A.
Pollen grain
B.
Anther
C.
Stamen
D.
Pollsen sac
The mega spores germinated to form: A.
Female gametophyte
B.
Megagametophyte
C.
Both a & b
D.
Male gametophyte
Cereals belong to the family: A.
Liliaceae
B.
Cruciferae
C.
Gramineae
D.
Leguminosae
Ovule of angiosperms is protected by
✓
A.
Two integuments
B.
One integument
C.
Tegmen
D.
Pericarp
Leaves of Bambusa are also given to horses as a cure of: A.
Cough & cold
C.
Foot & mouth
✓
B.
Fever
D.
Hepa
s
Living polyp is found?
✓
A.
On surface of coral reef
B.
At the bo om
C.
In the centre
D.
Everywhere
B.
200 genera & 7000 species
✓
D.
400 genera & 9000 species
✓
B.
Right aor c arch
D.
Warm blooded animals
B.
Sycons
D.
Both b and c
B.
Avena sa va
D.
All of above
Fabaceae (Papilionaceae) is a family of about: A.
100 genaera & 6000 species
C.
300 general & 8000 species
Which of the following is not a character of mammal? A.
Four chambered heart
C.
Larynx and epiglo s
Sponges are generally known as A. C.
Q.605
✓
Tse-tse fly transmit ----------------------- in organisms
✓ Q.599
Hydrogen, carbon dioxide and nitrogen
Sponges reproduce themselves by producing sex organs in which
✓ Q.598
A.
Opossum, Kangaroo and Tasmanian wolf belong to sub-class:
✓ Q.591
Page 37
Spore-bearing animals Pore-bearing animals
✓
The food plants of family poaceae includes A.
Tri cum
C.
Oryza sa va
✓
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Q.607
Commercially shark liver oil is extracted and used in medicine as a source of:
Q.609
Q.610
Q.612
Q.613
Fa y acids
C.
Vitamin A and D
Q.616
✓
Q.618
Q.619
Q.620
Q.621
Q.622
D.
Vitamin A and B
B.
Gametophyte dominant
C.
Gametophyte dependent on sporophyte
D.
Homosporous
A.
massage oil
B.
vegetable oil
C.
crude oil
D.
engine oil
B.
Lycopodium
D.
Psilotum
Which of the following group has microphylls. A.
Rhynia
C.
Adiantum
✓
Radial symmetry is found in: A.
Porifera and mollusca
B.
Annelida and platyhelminthes
C.
Coelenterates and starfishes
D.
Fishes and starfishes
In echinoderms, water enters water vascular canals trough a sieve-like plate called.
✓
A.
Madreporite
B.
Strainer
C.
Colander
D.
Filter
B.
Acacia catechu
D.
Acacia melanoxylon
Katha, a dye is obtained from: A.
Acacia nilo ca
C.
Acacia arabica
✓
In cnidarians (coelenterates) there is only one cavity which serves as diges ve as well as body cavity and is called: Gastrovascular cavity
✓
Spongocoel
B.
Enteron
D.
Both a & b
The most important plant in family solanaceae is:
✓
A.
Solanum tuberosum
B.
Solanum nigrum
C.
Lycopersicum esculentum
D.
Nico ana tabacum
B.
Archaeopteryx
D.
Kiwi
Earliest fossil bird is: A.
Cotylosaur
C.
Pelycosaur
✓
Mouth and gut are locking in:
✓ Q.617
Citric Acids
Vascular system absent
C.
Q.615
B.
A.
A. Q.614
✓
The seeds of Arachis hypogea are used for extrac on of peanut oil which a er hydrogena on is used as a:
✓ Q.611
A.
Which fo the following is not the character of the bryophytes:
✓ Q.608
Page 38
A.
Dugesia
B.
Fasciola
C.
Taenia
D.
Ascaris
B.
Moths
✓
D.
Daphnia
✓
B.
Arachnida
D.
Crustacea
Which one of the followings is not insect A.
Wasps
C.
Beetles
Cen pedes and millipedes are examples of class: A.
Insecta
C.
Myriapoda
The rep les in which ventricle is completely par A.
Crocodiles
C.
Snakes
oned into two are:
✓
B.
Turtles
D.
Lizards
Family Poaceae (Gramineae) includes about:
✓
A.
600 genera & 10,000 species
B.
600 genera & 10,000 species
C.
600 genera & 20,000 species
D.
500 genera & 10,000 species
The live of which of plant are dried and made into tobacco:
✓
A.
Nico ana tabacum
B.
Dalbergia sisso
C.
Zea mays
D.
Mimosa pudica
B.
Bleeding of anus intes ne
Pinworms are the parasites of human caecum causes A.
Bleeding of villas
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Q.624
A.
Trypanosoma
C.
Toxie chemicals
Itching of small intes ne
✓
B.
Plasmodium
D.
None of these
A.
Building
B.
Furniture
C.
Fuel
D.
All a , b, c
During the course of evolu on, fusion of the vascular strands resulted in: C.
Net vena on Parallel vena on
✓
B.
Re culate vena on
D.
Both a & b
Chick pea is
✓ Q.627
D.
Many trees such as butea, Balburgis etc. of family fabaceae provide excellent mber for.
A. Q.626
Itching of anus intes ne
Mosquitoes transmit -------------------------- and causes malaria in human
✓ Q.625
C.
Page 39
A.
Physalis
B.
Sweet Pea
C.
Cicer arie num
D.
A bird
B.
Ovule - Megagametophyte
D.
Pollen tube - Spores
Which of these si mismatched: A.
Pollen grain - Microgametophyte
C.
Seed - Immature sporophyte
✓
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5 Q.1
Q.2
Q.3
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Q.5
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Q.11
A.
Nyc nastly
C.
Epnasty
B.
Right atrium
✓
D.
Right ventricle
✓
B.
Haptonasty
D.
Hyponasty
A.
Teeth
B.
Tongue
C.
Palate
D.
All
✓
A.
100 days
C.
180 days
✓
B.
135 days
D.
280 days
Which are gonadotrophins
✓
A.
FSH and LH
B.
Progesterone and oestrogen
C.
Androgens and testosterone
D.
Inhibin and androgen
B.
Clavicle
D.
Maxilla
Which is called beauty bone in woman A.
Sternum
C.
Pelvis
✓
Which may be the most common cause of atherosclerosis A.
High blood pressure
B.
High Ca++level
C.
High cholesterol level
D.
All of these
B.
Scrotum
D.
Epididymis
Testes lie outside the body hanging in a sac called: A.
Penis
C.
Prostrate gland
✓
During delivery of a baby, average loss maternal blood is: A.
350 cm
B.
350 cm2
C.
350 cm3
D.
350 ml
Forebrain has one of the following parts
✓
A.
Thalamus, limbic system and cerebrum
B.
Thalamus, skull, pineal gland
C.
Limbic system, hypothalamus, pituitary, gland
D.
Pons, medulla, spinal cord
Which disease is related with
Al+3
A.
Parkinson's disease
B.
Epilepsy
C.
Alzheimer's disease
D.
All
The material absorbed in large quan
es by the walls of the large intes ne is
A.
Glucose
B.
Alcohol
C.
Water
D.
Vitamin C
Moul ng occurs in arthropods at the:
✓ Q.14
Le ventricle
The total gesta on period (pregnancy) of humans is usually about:
✓ Q.13
Le atrium
C.
Oral cavity consists of
✓ Q.12
A.
Ac on of venus fly trap is:
✓ Q.10
Human Physiology
The pulmonary trunk arises from the:
✓ Q.8
Page 1
A.
Immature stage
B.
Mature stage
C.
Both a, b
D.
no moul ng
B.
120 days due to inability to synthesize of
The age of red blood cells is short A. 110 days due to inability to synthesize of
✓
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Q.16
Q.17
Q.18
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Q.28
Stomach
✓
Small intes ne
D.
Teeth
A.
More than 600 feet
C.
400 meters
✓
B.
200 meters
D.
Both a & b
A.
Juxta medullary
C.
Medullary
✓
B.
Cor cal
D.
Both a & b
A.
Stem cell
B.
Osteoblast
C.
Osteocyte
D.
Osteoclast
A.
Progesterone
B.
Menstrual cycle
C.
Degenera ng
D.
Regenera ng
The fluid consis ng of 90% water & 10% dissolved substances is: A.
Lymph
C.
Inters
At ATPase
✓
al fluid
Na+-k+pump
the no. of binding sites for
B.
Plasma
D.
Coelomic fluid
Na+
A.
1
B.
2
C.
3
D.
4
Amnion is an extra embryonic membrane around the embryos of
✓
A.
Rep les, birds and mammals
B.
Fish & amphibians
C.
Amphibians & rep les
D.
Amphibians & mammals
All of the following may be concerned as secondary sex characteris cs of the male except A.
Increase in sex drive
C.
Pa ern of hair and beard growth
Which one of following contains tropomyosin A.
Myosin Filaments
C.
Z-lines
✓ ✓
B.
External genitalia
D.
Development of a deeper voice
B.
Ac n Filaments
D.
H-lines
The part of nervous system that links the CNS with other body parts A.
Autonomic nervous system
B.
Motor system
C.
Peripheral nervous system
D.
Sympathe c N.S
Erythrocytes lack:
✓
A.
Nucleus
B.
Haemoglobin
C.
Membrane
D.
Mitochondria
B.
Kidney
D.
Liver
The renal vein bring the impure blood form: A.
Brain
C.
Lungs
✓
Hypotonic environment osmo cally causes entry of water into the cell and renders the cell solu ons: A.
Concentrated
B.
Isotonic
C.
Diluted
D.
Disturbed
Number of cranial bones
✓ Q.30
C.
B.
If fer liza on does not occur the corpus luteum starts:
✓ Q.29
Palate
Which of following is mul nucleated cell
✓ Q.26
A.
Nephrons with loop of Henle and glomeruli in outer cortex are
✓ Q.22
D.
cellular materials Heavy work load of oxygen transporta on
In plants, the xylem water tension is strong enough to pull water up:
✓ Q.20
cellular materials Lack of nucleus
Grinding and mas ca on of food is carried out with the help of
✓ Q.19
Page 2
A.
11
B.
12
C.
8
D.
6
Aldosterone is the a
✓
A.
Enzyme secreted from medulla of kidney
B.
Hormone secreted from medulla of kidney
C.
Hormone secreted from cortex of kidney
D.
Enzyme secreted from cortex of kidney
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Q.32
Q.33
Q.34
Q.35
Q.36
Q.37
Q.38
Which has center for coordina ng reflex responses of visual input A.
Cerebral cortex
C.
Medulla oblongata
✓
Q.42
Q.43
Q.44
Q.45
Q.47
D.
None of these
B.
30 - 40 cm
C.
20 - 30 cm
D.
25 - 30 cm
A.
Proprioceptors
C.
Thermoreceptors
Aldosterone addi on causes sodium absorp on in A.
Gut
C.
Bones
✓ ✓
B.
Mechanoreceptors
D.
Photoreceptors
B.
Kidney
D.
Liver
Upper part of ureter where it begins is
✓
A.
Pelvis
B.
Pyramids
C.
Hillus
D.
None of them
A whit substance called pus is produced art infec on sites due to killing of: A.
Erythrocytes
C.
Leucocytes
B.
Platelets
✓
D.
Monocytes
B.
Prolac n
✓
D.
LH
B.
White blood cells
D.
Both a & b
Ovula on occurs due to which hormone A.
FSH
C.
Progesterone
Lecaemia is the result of uncontrolled produc on of: Leucocytes Erythrocytes
✓
Gonorrhoea is caused by a gram posi ve bacteria:
✓
A.
Neisseria gonorrhoeae
B.
E.Coli
C.
Salmonella typhi
D.
Escherichia gonorrhoeae
Most of the major organs of foetus are formed by the: A.
10 week of pregnancy
B.
14 week of pregnancy
C.
12 week of pregnancy
D.
18 week of pregnancy
Lipids are Converted into fa y acid and glycerol by the enzyme A.
Trypsin
C.
Gyrases
Ac ve transport is selec ve and is dependent on: A.
Nutri on
C.
Diges on
✓ ✓
B.
Lipases
D.
None of these
B.
Respira on
D.
Circula on
The growth movement in response to contact with a solid object is called:
✓
A.
Thigmotropism
B.
Geotropism
C.
Hydrotropism
D.
Chemotropism
This is the process in which oxygen is used to oxidize food to release energy in the form of ATP A.
Breathing
C.
Ven la on
✓
B.
Cellular respira on
D.
None of these
Sarcoplasmic re culum is different from endoplasmic re culum due to
✓ Q.46
Midbrain
20 - 25 cm
Pacinian corpuscles are
✓ Q.41
B.
A.
C.
Q.40
✓
Duodenum is about ________ in length
A. Q.39
Page 3
A.
Devoid of ribosome
B.
Specialized repea ng pa ern
C.
Both of these
D.
Large vesicles
Elbow joint is of what variety
✓
A.
Synovial
B.
Ball and socket
C.
Pivot
D.
Condylar
B.
Meitosis
Spermatogenesis in human involves A.
Mitosis
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Which is not the func on of thyroxine A. C.
Q.49
Q.50
✓
Q.53
Q.54
Q.55
Q.56
Q.57
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Q.60
Q.61
Q.62
✓
B.
Brain cell differen a on
D.
Metamorphosis
Ca regula on
A.
Podocytes
B.
Amoebocytes
C.
Phagocytes
D.
Thrombocytes
oned ventricle is found in heat of:
A.
Fishers
B.
Amphibians
C.
Rep les
D.
Birds
A.
Renal failure
B.
Uremia
C.
Dialysis
D.
None of these
B.
Atherosclerosis
D.
Obesity
A major condi on which leads to heart a ack is: A.
Arteriosclerosis
C.
Hypertension
✓
Two iliac veins unite to form:
✓
A.
Inferior vena cava
B.
Superior vena cava
C.
Interior vena cava
D.
Exterior vena cava
Which of the following involved cell mediated response:
✓
A.
T-lymphocytes
B.
Helper T-Lymphocytes
C.
B - Lymphocytes
D.
None of the above
The agranulocytes are formed in lymphoid ssue, such as those of: A.
Adenoids
C.
Tonsils
✓
B.
Thymus
D.
All a, b, c
In the mammalian skeleton, there is a dis nct synovial joint between the: A.
Bone of cranium
C.
Sacrum and ilium
✓
B.
Humerus and ulna
D.
Sternum and floa ng ribs
On cubic millimetre of blood contains 7000 to 8000 of: A.
Erythrocytes
B.
Platelets
C.
Leucocytes
D.
Sporophytes
B.
6
D.
1
B.
Pollina on
D.
Fer liza on
No. of polypep des in myoglobin A.
2
C.
8
✓
The process which leads to union of gametes is: A.
Germina on
C.
Reproduc on
✓
Seventy five percent kidney stone pa ents have
✓
A.
Calcium oxalate in their kidneys
B.
Calcium phosphate in their kidneys
C.
Uric acid
D.
Calcium carbonate
Ac vity of insulin is observed
✓
A.
On uptake of glucose by muscles
B.
Glucose uptake decreases by the muscles
C.
Fats deposits in blood vessels
D.
Glucose increases in urine
Diffused type nervous system is present in
✓ Q.63
All of these
This results in decrease in plasma level of urea
✓ Q.58
D.
++
Incompletely par
✓ Q.52
Metabolism
✓
The cells which are highly modified for filtra on
✓ Q.51
Post opera ve modifica ons
Page 4
A.
Cockroach
B.
Planaria
C.
Hydra
D.
All of these
Blockage of blood vessel in the heart by an embolus causes necrosis or damage to por on of heart muscles, it is known as:
✓
A.
Heart a ack
B.
Heat stroke
C.
Oedema
D.
Thalassaema
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Brachioradialis upli is caused by:
✓ Q.65
Q.66
Q.67
✓
Q.70
Q.71
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Q.74
Q.75
Q.76
Q.77
Q.78
Q.79
Q.80
Radus
B.
Ulna
C.
Both a , b
D.
Humerus
A.
2
B.
3
C.
4
D.
1
The pituitary gland, on the onset of puberty, releases follicle stmula ng hormone (FSH) which s mulates the development of several: A.
Primary oocytes
C.
Primary spermatozoids
✓
B.
Primary follicles
D.
Primary ova
Extracellular oedema may be result of A.
Renal reten on of salt and water
B.
Leakage of fluid from blood vessels
C.
Both of these
D.
Salt stored in cytosol
Which is not a diges ve gland
✓ Q.69
A.
How many pleural membranes make pleural space?
✓ Q.68
Page 5
A.
Liver
B.
Gastric gland
C.
Spleen
D.
Salivary gland
Ovary contains two types of cells known as: A.
Germ cells and oogonia
C.
Oogonia and oocytes
Solute poten al is always: A.
+ve
C.
+ve or -ve
B.
Follicle cells and oocytes
✓
D.
Germ cells and follicle cells
✓
B.
-ve
D.
Zero
The plants open their stomata by ac vely pumping------in guard cells. A.
Calcium
C.
Sodium
✓
B.
Magnesium
D.
Potassium
Grey ma er is composed of
✓
A.
Cell bodies
B.
Non-myelinated nerve fibers
C.
Both
D.
Myelin
The --------transpira on is 1-2% of the total transpira on by a plant. A.
Cu cular
C.
Stomatal
Surface area of cerebrum is increased by A.
Carpus callosum
C.
Cerebral hemispheres
✓ ✓
B.
Len cular
D.
Epidermal
B.
Cerebral cortex
D.
All
Total gesta on period (pregnancy in human female is usually about: A.
30 - 70 days
C.
28 days
✓
B.
30 - 32 days
D.
280 days
The inflammatory or degenera ve disease the a damages joints is: A.
Osteomalacia
C.
Spondylosis
Which of the following enzyme acts efficiently at pH two? A.
Trypsin
C.
Ptyalin
The pH of saliva is generally 8, but A.
Quickly loses CO2and gets to pH 5
C.
Quickly loses O2 and gets to pH 6
✓ ✓ ✓
B.
Disc, slip
D.
Arthri s
B.
Pepsin
D.
All of the above
B.
Quickly loses CO2 and gets to pH 6
D.
Quickly loses O2 and gets to pH 5
B.
Mucous cells
D.
All of these
Mucosa produces A.
Gastric glands
C.
Oxyn c cells and zymogen cells
✓
Kidney stones are due to the presence of
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Q.81
Q.82
Q.83
Q.84
Calcium and oxalate accumulate in the kidney
D.
Magnesium accumulates in the kidney
✓
Q.88
Q.90
Q.91
Q.92
Q.93
✓
B.
Secondary growth
C.
Ter ary growth
D.
Quaternary growth
A.
2
B.
4
C.
8
D.
6
B.
Groin
D.
A&B
Where the lymph nodes are present in more concentra on A.
Axilla
C.
Forearm
Q.95
Q.96
✓
In female reproduc ve cycle at which stage progesterone level in maximum A.
1-7 days
B.
8-14 days
C.
15-27 days
D.
22-28 days
Which of the following plays on important role in swallowing and breathing? Pharynx Epiglo s
hey func on as mul sensory hydraulic valve: A.
Len cels
C.
Hydathodes
Oogenesis in humans is completed A.
Prior to fer liza on
C.
Not specific
B.
Larynx
✓
D.
All of these
✓
B.
Guard cells
D.
All of the these
B.
A er fer lizer
D.
None of these
✓
The opening and closing of stomata is caused by the movement of ions: A.
Ca
B.
Mg
C.
K
D.
All a, b, c
B.
Crow
D.
Tiger
Which animal is not an omnivore A.
Red fox
C.
Rat
✓
Age of tre can be measured by coun ng:
✓
A.
Growth fings
B.
Leaves
C.
Branches
D.
Roots
B.
Mid brian
D.
Cerebrum
B.
1/10th
D.
Equal
The smallest part of the Brain A.
Fore brain
C.
Hind brain
✓
Urea requires __________ amount of H2O as compared to NH3 A.
1/5th
C.
1/100th
✓
Tongue is most important part plays role because of
✓ Q.94
Calcium sulphates accumulates in the kidney
In thin filament there are ________ ac n chains
✓ Q.89
C.
Primary growth
C.
Q.87
Calcium carbonate accumulates in the kidney
A.
A. Q.86
B.
Increase in length of plants is called:
✓ Q.85
A.
Page 6
A.
Diges on
B.
Engulfing the food
C.
Presence of taste buds on the surface
D.
None of these
B.
Ribs
D.
Both b & c
Walls of the chest cavity are formed by A.
Diaphragm
C.
Intercostal muscles
✓
Which is func on of cerebral cortex A.
Intelligence
C.
Judgment
✓
B.
Reasoning
D.
All
B.
Root
Plant hormone florigen is produced in: A.
Flower
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A.
Osteoblasts
C.
Fibroblasts
Q.113
D.
Leaves
B.
Osteoclasts
✓
D.
Chondrocytes
Which one of teh following is not the func on of skeleton system: A.
Support and shape
C.
Mineral homeostasis
✓
B.
Movement and blood produc on
D.
Blood cell destruc on
The Tetany is caused by _________ of parathyroid glands
✓
A.
Under ac vity
B.
Over ac vity
C.
Both
D.
No effect
The pairs of lateral hearts in earthworm are:
✓
A.
4 or 5
B.
5 or 6
C.
6
D.
7
Which one fo the following is not correct for secual reporduc ons: A.
Advanced form of reproduc on
C.
Gene c recombina on
✓
B.
Meiosis
D.
Cloning
Symplast pathway is the pathway in which material:
✓
A.
Move through the plasmodesmata
B.
Move through the spaced between the cells
C.
Move through the tonoplast of the vacul
D.
All of the above
Some desert mammals do survive without drinking water such as:
✓
A.
Kangaroo rat
B.
Lemmings
C.
Grizzly bears
D.
Camel
B.
Bunch of arterioles
D.
None of these
B.
Four
D.
Eight
Glomerulus forms A.
Bunch of small veins
C.
Bunch of capillaries
How many disulfide bonds stabilize the an body structure A.
Two
C.
Six
✓ ✓
The protec on of internal environment from the harms of fluctua ons in external environment is called as:
✓
A.
Homeostasis
B.
Thermoregula on
C.
Osmoregula on
D.
Excre on
In myelinated nerves fibers, impulse jumps from node to node called
✓
A.
Saltatory conduc on
B.
Ion tropic movement
C.
Electric impulse
D.
None
B.
Rhizobium
D.
Treponema pallidum
Syphilis is caused by a spirochete: A.
Staphylococcus aureus
C.
E.coli
✓
Fraternal twins are always
✓
A.
Gene cally different
B.
Sexually different
C.
Developmentally different
D.
All of these
A white substance called pus is produced at infec on sites due to killing of: C.
Q.112
✓
The living cells of car lage are called:
A. Q.111
Stem
Page 7
Erythrocytes Leucocytes
✓
B.
Platelets
D.
Monocytes
B.
Sympathe c N.S
D.
Soma c nervous system
B.
Vascular cambium
D.
Both a and b
Abitlity to walk is controlled by A.
Autonomic nervous system
C.
Parasympathe c
✓
Secondary growth occur due to: A.
Cork cambium
C.
Intercalary meristem
✓
Structures of plant capable of facing unfavourable condi ons in dormant form (seed dormancy):
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A.
Seeds
B.
Fruits
C.
Embryos
D.
Leaves
Xerophytes adopt themselves in extreme condi ons of drought through A.
Thick cu cle forma on
C.
Thick leaves forma on
✓
B.
Sunken stomata
D.
All of these
Which of the following is the main contribu ng organ in plants for the elimina on of wastes, also called as an excretophore? A.
Fruit
C.
Root
✓
B.
Stem
D.
Leaves
The ini al rise of ac on poten al in neuron is due to the produc on of
✓ Q.117
Page 8
A.
Chloride ions
B.
High potassium ions
C.
High sodium ions
D.
High hydrogen ions
From beginning of the 3rd month of pregenancy the human embryo is referrd to as the:
✓
A.
Foetus
B.
Kid
C.
Ki en
D.
Cub
Q.118
In a human respiratory system, which one of the following is a true pathway B. Oral cavity >>> pharynx >>> larynx >>> ✓ A. Air >>> oral cavity >>> pharynx >>> larnyx Bronchi C. Air >>> oral cavity >>> pharynx >>> bronchi D. Air >>> oral cavity >>> pharynx >>> larynx
Q.119
Effect of photoperiodism was first studied in 1920 by:
Q.120
Q.121
Q.122
A.
Darwin & Francis
C.
Linnaeus & Lamarck
A.
Thermoregula on
C.
Excre on
The development of an egg without fer liza on is: A.
Parthenocarpy
C.
Budding
Q.126
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Q.129
D.
Watson & Crick
✓ ✓
B.
Osmoregula on
D.
Homeostasis
B.
Parthenogenesis
D.
Fission
Irrita on of linning of blood vessel Pneumonia
✓
B.
Reduced rate of blood flow
D.
All of these
Which of the following is not a parthenocarpic fruit:
✓
Q.125
Garner & Allard
The cause of thrombus forma on is C.
Q.124
B.
Which is central requirement in the maintenance of an organism?
A. Q.123
✓
A.
Banana
B.
Pineapple
C.
Mango
D.
Grape
B.
Bees
✓
D.
All a, b, c
B.
Midbrain
✓
D.
Cerebellum
Good examples of parthenogenesis are provided by: A.
Ants
C.
Wasps
Co-ordina on among movements is controlled by A.
Amygdala
C.
Pons
The yellowish glandular structure, corpus luteum, starts secre ng a hormone called: A.
Steronge
C.
Oestrogen
✓
B.
Progesterone
D.
Testerone
B.
Bear
D.
Deer
B.
Coma
✓
D.
All
✓
B.
Cardiac
Which one of the following is an unguligrade animal? A.
Monkey
C.
Rodents
✓
Elevated levels of nitrogenous waste can cause A.
Convulsions
C.
Death
Their speed of contrac on is intermediate A.
Smooth
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Oxygen
B.
Carbon dioxide
C.
N2
✓
D.
All
A.
Apoplast
B.
Symplast
C.
Tonoplast
D.
None
A.
Aerobic condi on
B.
Lock of Myoglobin
C.
Lac c acid accumula on
D.
All of these
A.
Budding
B.
Mul ple fission
C.
Binary fission
D.
Nuclear fission
Scia ca is characterized by stabbing pain radia ng over the courts of: A.
Scia c artery
C.
Scia c capillary
The serum containing an bodies is called A.
Immune serum
C.
Hypersensi ve serum
Buffer is a substance which maintain the: A.
Concentra on of proteins in blood
C.
Amount of gases in the blood
✓ ✓ ✓
B.
Scia c vein
D.
Scia c nerve
B.
An serum
D.
Mul serum
B.
pH of the blood
D.
A mount of water in the blood
Touch is s mulus for:
✓
A.
Thigmotropism
B.
Chemotropism
C.
Nuta on
D.
Nas es
The residual volume of lungs which cannot be expelled A.
40%
B.
42%
C.
30%
D.
20%
Two blastomeres of a single zygote separates to form:
✓ Q.140
A.
A type of asexual reproduc on in which parent organism simply divides into two daughter organisms is:
✓ Q.139
All of these
Muscle fa gue is caused by
✓ Q.134
D.
The member of vacuole is named as:
✓ Q.133
Skeletal
Which is main s mulant of respira on
✓ Q.132
Page 9
A.
Fraternal twins
B.
Maternal twins
C.
Iden cal
D.
Both a and c
B.
coccyx
D.
All a, b, c
B.
Le ureter
D.
Right renal artery
Vertebral column includes: A.
Sacrum
C.
Cervical vertebrae
✓
Which is the smaller A.
Right ureter
C.
Both are same
Renal venules A.
Vasa recta
C.
Both a & b
✓ ✓
B.
Peritubular capillaries
D.
Efferent arteriole
Oviduct opens into:
✓
A.
Uterus
B.
Vagina
C.
Ovary
D.
Urethra
In seminiferous tubules repeated division of the cells of the germinal epithelium produce: A.
Oogonia
C.
Ovogonia
✓
B.
Zoogonia
D.
Spermatogonia
A reproduc ve cycle found in female mammals except in human
✓
A.
Oestrous cycle
B.
Menstrual cycle
C.
Ovarian cycle
D.
Uterine cycle
Discharge of blood from blood vessels is
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A.
Haemorrhage
B.
Hypertension
C.
Stroke
D.
Cardiac infarc on
B.
Para-thormone
D.
Both a & b
High
Ca2+level
Q.158
Calcitonin
C.
Insulin
✓
A.
T-lymphocytes
B.
B-lymphocytes
C.
Monocytes
D.
Neutrophils
Corpus luteum secretes: A.
Estrogen
C.
LTH
Q.161
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✓
B.
Progesterone
D.
LH
Normal pH of blood is
✓
A.
7.00
B.
7.4
C.
6
D.
6.4
B.
Throacic vertebra
D.
All of these
Vertebral column includes A.
Cervical vertebrae
C.
Lumbar vertebrae
✓
The sucrose and other substances move in the sieve tube cells by: A.
Hydraulic pressure
C.
Pressure poten al
✓
B.
Root pressure
D.
Hydrosta c pressure
What can be done in chronic renal failure on permanent basis
✓
A.
Transplant
B.
Dialysis
C.
Ar ficial kidney
D.
None
In human how many ova are usually discharge from the ovary at one me:
✓
A.
One
B.
Two
C.
Six
D.
Three
If a man drinks two glasses of water there will be immediate
✓
A.
ADH inhini on
B.
Oxytocin inhibi on
C.
Both
D.
ADH s mula on
B. C.
Carry CO2to near to capillaries Remove waste material from the blood circulatory system
Which of an important func on of lympha c system ✓ A. Removal of excess fluid and dissolved substances that leak from the capillaries Give support to defense mechanism
One complete heart cycle lasts for about
✓
A.
0.8 seconds
B.
10 seconds
C.
0.12 sec
D.
0.6 sec
Amoeba moves by means: A.
Flagellum
B.
Cilia
C.
Pseudopodia
D.
Parapodia
Which is not the character of skeletal muscles
✓ Q.160
✓
Cell mediated response is due to
✓ Q.159
gives nega ve feed-back to
A.
D. Q.157
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A.
Soma c control
B.
Regular stripes
C.
One nucleus per cell
D.
Slow to rapid movement
Homeostasis is the central requirement in the maintenance of:
✓
A.
Organism
B.
Ecosystem
C.
Species
D.
All of above
Ebony is a tree which deposits strange chemicals in old xylem of their: A.
Roots
C.
Leaves
✓
B.
Branches and trunks
D.
Branches only
B.
20 - 40 hrs
Monocytes can stay in blood for
✓
A.
10 - 20 hrs
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✓
Q.170
✓
Q.172
✓
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Pancrea c juice
D.
Base
A.
Ac n
B.
Troponin
C.
Tropomyosin
D.
Troponin C
A.
Long night
B.
Short night
C.
Long day
D.
Short day
B.
Meninges
D.
All
A.
Bones
C.
CSF
✓
A.
Perictal
B.
Temporal
C.
Zygoma c
D.
Occipital
A.
Oxygen
B.
Nitrogen
C.
Carbon dioxide
D.
Hydrogen
In human how many ova are usually discharged from the ovary at one me:
✓
A.
One
B.
Two
C.
Three
D.
Four
The exchange and concentra on of minerals and ions in the blood and body cells is disturbed in: A.
Thalassaemia
B.
Blue babies
C.
Oedema
D.
Cerebral infarc on
A female if developing a beard she could has an excessive secre on of A.
Throid hormones
C.
Pancrea c hormones
✓
B.
Cor cal hormones
D.
Medullary hormones
The sites of waste, nutrients and gaseous exchange between blood and body cells are the A.
Arteries
B.
Arterioles
C.
Capillaries
D.
Veins
Maxilla, zygoma c, nasal, lacrimal land pala ne are: A.
Cranial bones
B.
Skull bones
C.
Facial bones
D.
Vertebral bones
Detec on of change and signalling for affector's response to control system is: A.
Reciprocal Mechanism
B.
Nega ve Feedback Mechanism
C.
Feedback Mechanism
D.
Both (a) & (b)
An bio cs cure disease by:
✓ Q.176
B.
Hydrogen
The ac ve transport of potassium ions into the guard cells is s mulated by low concentra on of:
✓ Q.175
Already ac ve pepsin
C.
Which of the following is bone of face?
✓ Q.174
A.
Nervous system is provided protec on by
✓ Q.173
2 - 4 hrs
Long-day plants will flower in short days if the interrupted period is:
✓ Q.171
D.
The binding site is present on which myofilament?
✓ Q.169
40 - 50 hrs
Pepsinogen is ac vated when it comes into contact with
✓ Q.168
Page 11
A.
Figh ng with pathogen
B.
Eradica ng pathogen out of the body
C.
Compe
D.
Killing bacteria
B.
Sexual reproduc on
D.
None of these
B.
Diabetes inspidus
D.
All
ve inhibi on
Plants have diplohaplon c life cycle in: A.
Asexual reproduc on
C.
Both a & b
Lack of ADH secre on leads to A.
Diabetes mellitus
C.
Low urine volume
✓ ✓
Fruit development without fer liza on and no seed forma on is called:
✓
A.
Parthenocarpy
B.
Parthenogenesis
C.
Apomixis
D.
Dormancy
The heart of fishes have sinus venosus, an atrium a ventricle, and:
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D.
Both a & b
A.
Root apex
B.
Shoot apex
C.
Intercalary meristem
✓
D.
Lateral meristem
A.
Lipase
B.
Amylase
C.
Trypsin
✓
D.
All of above
A.
Sympathe c
B.
Parasympathe c
C.
Both of these
D.
Paratonic
A.
Parthenocarpy
B.
Parthenogenesis
C.
Apomixis
D.
Cloning
From beginning of 3rd month of pregnancy the human embryo reffered to as
✓
A.
Foetus
B.
Neonate
C.
Placenta
D.
Young one
B.
Arthri s
D.
Cramp
It is known as tanic contrac on of en re muscle: A.
tetanus
C.
Tetany
✓
In man which of the following in analogous to spiracles A.
Trachea
B.
Bronchus
C.
Nostrils
D.
Bronchi
Car laginous fishes retain trimethylamine oxide for protec on against: A.
Uric Acid
C.
Urea
✓
B.
Ammonia
D.
Contrac le vacuoles
Sarcoplasmic re culum releases calcium to cytosol which binds to A.
Tropomyocin
B.
Myosin
C.
Troponin
D.
Ac n
Sclerenchyma fiber form:
✓ Q.190
Conus arteriosus
A diploid cell of ovule develops into func onal embryo in absence of male gamete, the process is called.
✓ Q.189
B.
Heart receives its nerve supply from which types of nervous system
✓ Q.187
Bulbus venosus
✓
Which enzyme acts in small intes ne?
✓ Q.184
Bulbus arteriosis
The meristem present between xylem and phloem is:
✓ Q.183
Page 12
A.
Cortex
B.
Pith
C.
Wilt
D.
Rupture
The pH of hydrochloric acid in stomach is ranges from A.
1-2
C.
2.5-4
Which one of the following is true about lymph vessels A. Vessels are closed and never open in any place C. They have openings between them that act as two way valves A Condi on of high blood pressure is called: A.
Hypotension
C.
Tension
✓ ✓
✓
B.
2-3
D.
3-3.5
B. D.
They have openings between them that act as one way valves Carry gases for transporta on
B.
Hypertension
D.
Isotension
Homeostasis keeps the internal fluctua ons in a narrow range with various control systems compared to: A.
Narrow External fluctua ons
C.
Moderate external fluctua ons
✓
B.
Wider external fluctua ons
D.
None of these
Ganglia are
✓
A.
Concentra on of cell bodies of neurons
B.
Spinal nerves fibres
C.
Cranial nerves fibers
D.
All of these
The presence of the microcytes by splenomegaly and by changes in the bones and skin, is the characteris c of: A.
Oedema
✓
B.
Thalassemia
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Leucaemia
The fusions of sperm and egg is called: A.
Pollina on
C.
Development
✓
D.
Hepa
s
B.
Fer liza on
D.
Reproduc on
It is now believed that vernalin is nothing special but actually is: A.
Auxin
C.
Cytokinin
✓
B.
Gibberellin
D.
Ethene
The flaps of tricuspid valves are a ached with fibrous cords called chordae tendineae to papillary muscles of.
✓
A.
Ventricle
B.
Atrium
C.
Sinus venosus
D.
Eye
B.
X-rays
D.
All of these
Kidney stones can removed by surgery of A.
Lithotripsy
C.
Medicines
✓
All plats do not possess:
✓
A.
Len cels
B.
Cu cle
C.
Stomata
D.
All of these
___________ component of cell wall has great affinity with water: A.
Lignin
C.
Pec n
Ac vity of GIT is under A.
Sympathe c
C.
CNS
The bones of spectral girdle are: A.
Tibia, fibula
C.
Nasal, frontal
✓ ✓ ✓
B.
Cellulose
D.
All of these
B.
Parasympathe c
D.
Soma c N.S
B.
Scapula, supra scapula
D.
Pubis, ischium, ilium
B.
Veins
D.
Capillaries
Exchange of material b/w ssue and blood takes place at A.
Arteries
C.
Lympha cs
✓
Which of the following has enabled the animals and plants to distribute themselves in wide range of habitats?
✓ Q.206
Page 13
A.
Thermoregula on
B.
Excre on
C.
Osmoregula on
D.
All of these
B.
Abdominal cavity
D.
Pericardial cavity
The heart is enclosed in a double membranous sac-the: A.
Pleural cavity
C.
Thoracic cavity
✓
In which condi on pigmenta on occurs
✓
A.
Addison's disease
B.
Cushing disease
C.
Grave's disease
D.
All
Lower _______ of small intes ne from jejunum is the ileum A.
Two fourth
C.
Three fourth
✓
B.
Three fi h
D.
Two fi h
Re cular forma on is the characteris c of
✓
A.
Midbrain
B.
Fore brain
C.
Hind brain
D.
Pons
Accumula on of excessive fluid is called
✓
A.
Oedema
B.
Hydra on
C.
Lymphoma
D.
Anthdrobiosis
One complete heartbeat consist of one systole and one diastole, and lasts for about: A.
0.2 seconds
C.
0.5 seconds
✓
B.
0,8 seconds
D.
1.0 seconds
Which of the layers is present in the arteries.
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✓
B.
Gu a on
D.
Transpira on
A.
Amylopec n
B.
Amylopsis
C.
Amlopsin
D.
Heparin
A.
P 480
B.
P 530
C.
P 660
D.
P 760
A.
7
B.
22
C.
12
D.
33
B.
Monocyte
D.
Basophil
A.
Neutrophil
C.
Eosinophil
✓
A.
A bird
B.
A mammal
C.
A tapeworm
D.
A rep le
A.
Forebrain
B.
Mid brain
C.
Hind brain
D.
Medulla
In flight and fight situa ons which is ac ve
✓
A.
Sympathe c
B.
Parasympathe c
C.
Both
D.
None
Flow of blood would be slow in
✓
A.
Glomerulus
B.
Renal arteriole
C.
Peritubular capillaries & vasa Recta
D.
None of these
The plug of blood in the vessels that can be dislodged to move some other loca on is A.
Blood clot
B.
Thrombus
C.
Embolus
D.
Calculus
The narrowest and most numerous tubes of lungs are termed as A.
Bronchus
B.
Alveoli
C.
Bronchioles
D.
Hilum
B.
Fishes
D.
Arthropoda
B.
Syphilis
D.
Gonorrhoea
Which one of the following has open circulatory system? A.
Annelids
C.
Echinoderms
✓
Neisseria gonorrhoeae causes A.
Genital herpes
C.
AIDS
✓
A person suffering from ________ can't oxygenate his blood properly A.
Asthma
B.
Pulmonary tuberculosis
C.
Emphysema
D.
Lung cancer
Myocardium of the heart is made up of special type of muscles;
✓ Q.228
✓
Pineal gland which controls body rhythms is the part of
✓ Q.227
Bleeding
All of the above
Which one of the following animals is bisexual:
✓ Q.224
C.
Which of the following is an agranulocyte:
✓ Q.223
Osmosis
D.
Thoracic vertebrae are __________ in number:
✓ Q.219
A.
Smooth and circular muscles
P 730 absorbs far red light at 730 nm and is converted to:
✓ Q.217
Connec ve ssue
B.
✓
Pancrea c amylase is also called
✓ Q.216
Connec ve ssue and elas c fibers
Hydathodes are associated with:
✓ Q.215
Page 14
A.
Smooth muscles
B.
Skeletal muscles
C.
Cardiac muscle
D.
Both a & c
Seed dormancy is special condi on of rest. which enables an embryo to survive the long periods of unfavourable environmental condi ons such as: A.
Water scarcity
B.
Low temperature
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Renal space
C.
Renal column
✓
None
B.
Pyramidal inters
D.
Renal pelvis
um
A.
Streamlined body
C.
Paired and unpaired fins
✓
B.
Slimy scales
D.
Feather & wings
Release of ovum from the ovary
✓
A.
Fer liza on
B.
Ovula on
C.
Implanta on
D.
Birth
It increases glucose conversion to fa y acids A.
Cor sol
B.
Cor costeron
C.
Insulin
D.
Glucagon
Which light was effec ve in preven ng flowering in cocklebur:
✓
A.
Red light
B.
Blue light
C.
Yellow light
D.
Far red light
Discharge to the por on of heart muscles may lead to
✓
A.
Necrosis
B.
Anoxia
C.
Apoptosis
D.
Thrombosis
Bursa of fabricius in bird's cloaca produces secre on which help in matura on of A.
Erythrocytes
C.
T - lymphocytes
B.
Granulocytes
D.
B - lymphocytes
B.
Fallopian tubes
✓
D.
Both a & b
✓
B.
Long-night plants
D.
Mid-wife plants
✓
Which of the following tubes are not found in females A.
Epididymis
C.
Vas deferens
Short-day plants are really: A.
Short-night plants
C.
Mid-night plants
Gastrin is the secrep on of A.
Large intes ne
C.
ileum
Cheif cells are found in A.
Stomach
C.
Esophagus
✓ ✓
B.
Gastric endocrine
D.
Duodenum
B.
Intes ne
D.
Caecum
Organismic respira on is also known as A.
Breathing
B.
Ven la on
C.
Both a & b
D.
None
Main neurotransmi er for peripheral synapsis is
✓
A.
Acetylcholine
B.
Dopamine
C.
Serotonin
D.
All
In birds and mammals, the aor c trunk emerges from the le ventricle and leads to caro d and:
✓ Q.243
A.
D.
Which one is not correct for swimming in fishes?
✓ Q.241
Both a & b
The space between renal pyramids is called
✓ Q.233
C.
Page 15
A.
Coronary arches
B.
Pulmonary arches
C.
Systemic arches
D.
Jugular arches
Which type of neuron has long dendron
✓
A.
Sensory
B.
Motor
C.
Intermediate
D.
All
B.
Chemoreceptor
D.
Stretch receptors
The sensa ons from joints are detected by which receptors A.
Photoreceptors
C.
Thermoreceptors
✓
Which could be treated as waste in hypotonic environment?
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C.
Ions
D.
Could be all
A.
Radius
B.
Ulna
C.
Humerus
D.
Scapula
B.
May be source of gene c varia ons
✓
D.
All of these
B.
2-4 days
✓
D.
3-7 days
A.
Species tend to maintain themselves
C.
Is essen al for popula on to survive
A.
2-5 days
C.
3-5 days
A.
Gastric arteries
B.
Hepa c arteries
C.
Iliac arteries
D.
Mesenteric arteries
Which one of the following enables an embryo to survive long periods of unfavourable environment condi ons:
✓
A.
Seed dormancy
B.
Bud dormancy
C.
Endosperm
D.
Ethene
Desire to male in mammal females at the me of ovula on is referred to as A.
Estrus
B.
Menstrua on
C.
Heat
D.
Both a & c
B.
Spores
D.
All of these
Asthma is allergic reac on to A.
Cold
C.
Pollutants
✓
In human females the periodic reproduc ve cycle is completed in approximately: A.
20 days
C.
25 days
✓
B.
22 days
D.
28 days
Seed plants are predominant due to their: A.
Vegeta ve structures
B.
Be er habitats
C.
Be er sexual methods of reproduc on
D.
Be er asexul methods of reporduc on
External fer liza on occurs in an environment which is:
✓
A.
Aqua c
B.
Terrestrial
C.
Both a & b
D.
None
Stroke is a condi on in which: A.
Heart does not receive proper blood
B.
Liver does not receive proper blood
C.
Barin does not receive proper blood
D.
Brian does not receive proper food
B. D.
Food par cles are lubricated and digested due to the presence of enzymes None of these
B.
Pharynx
D.
All
During diges on in oral cavity A. Food par cles are lubricated and digested due to the presence of acids C. Food par cles are lubricated and digested due to the presence of biles Common passage for wind and food is A.
Larynx
C.
Oesophagus
✓
✓
The cells of phloem that conduct or transport sugars and other organic material throughout the plant are called: A.
Companion cells
C.
Fibres
✓
B.
Sclerids
D.
Sieve elements
Inorganic ions and salts make up------per cent of plasma.
✓ Q.261
Uric acid
The femoral and scia c arteries arise from:
✓ Q.257
B.
The menstrua on lasts for usually
✓ Q.255
Water
Reproduc on is a means through which
✓ Q.252
A.
The biceps upli s by exer ng force on
✓ Q.250
Page 16
A.
0.3
B.
0.5
C.
0.9
D.
0.11
B.
Submaxillary
The salivary gland found in front of car A.
Sublingual
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C.
Paro d
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Forma on of starch form glucose Increase of hydrosta c pressure in the phloem cells The movement of blood in vein take place by the: A. Contrac on and relaxa on of the wall of the vein C. Pressure of the blood in the vein
C.
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✓
B.
Consump on of glucose by respira on
D.
Movement of water in to cells
✓
B. D.
Contrac on and relaxa on of the skeletal muscles None of the above
Spermatogenesis Gametogenesis
✓
B.
Oogenesis
D.
Sporogenesis
Man kidneys conserve water from glomerular filtrate through reabsorp on of about A.
90%
C.
95.5%
✓
B.
99.5%
D.
92.5%
A achment of myosin head and ac n in rigor mor s occurs due to
✓ Q.267
Caro d
The forma on of spores is called: A.
Q.265
D.
Which of the following is not relevant to pressure flow theory: A. C.
Q.263
Page 17
A.
Stored ATP in body
B.
Hypercalcemia
C.
Deficiency of ATP
D.
Hyperac vity of mitochondria
In Nature, the P660 to P 730 conversion takes place in:
✓
A.
Day light
B.
Dark
C.
Evening
D.
Dawn
B.
120 cm/sec
D.
120 m/sec
Maximum speed of nerve impulse in humans is A.
100 m/sec
C.
100 cm/sec
✓
The large opening at base of skill is:
✓
A.
Foreman magnum
B.
Intervertebral foramen
C.
Intervertebral canal
D.
Cranium
B.
Secondary growth
D.
Auantermary growth
Increase in diameter of plants is called: A.
Primary growth
C.
Ter ary growth
✓
Plasma proteins cons tute about ________ weight of the plasma.
✓
A.
7-9
B.
2-3
C.
70 - 90
D.
20 - 30
Pulmonary trunk arises from
✓
A.
Right ventricle
B.
Le ventricle
C.
Right atrium
D.
Le atrium
B.
Eosinophill
✓
D.
Monocytes
B.
Gonorrhoea
✓
D.
Genital herpes
All of following are included in granulocytes except A.
Neutrophills
C.
Basophils
The disease which is caused by herpes type 2 viruses is: A.
AIDS
C.
Syphilis
Which animal have large canines?
✓
A.
Carnivores
B.
Detri vores
C.
Macrophagous feeders
D.
Omnivores
A pair of kidney consists of ________ of func onal units
✓
A.
Millions
B.
Billions
C.
Thousands
D.
Trillions
Euglena moves by means of:
✓
A.
Flagellum
B.
Cillia
C.
Pseudopodia
D.
Parapodia
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Page 18
Secondary ssues include: A.
Secondary phloem
C.
Cortex & pith
✓
B.
Secondary xylem
D.
Both a & b
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The different between the heart of earthworm and cockroach is that: A. The heart of earthworm is n more efficient B. The earth worm has more heart while than the cockroach cockroach has one heart D. Rapid exchange of material occur in ✓ C. The heart of earthworm is closed while of cockroach is open cockroach
Q.280
Carbon dioxide which is carried as Carbamine Haemoglobin
Q.281
A.
5%
C.
85%
C.
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Rise
C.
Zero
Q.292
B.
Emo onal stresses
✓
D.
All of these
✓
B.
Drop
D.
14
Bicuspid
B.
Tricuspid
C.
Semi-lunar
D.
Aor c
A.
Epididymis
C.
Fallopian tubes
✓
B.
Vas deferens
D.
Urethra
Granulocytes are formed in the:
✓
A.
Red bone marrow
B.
Thymus
C.
Tonsils
D.
Adenoids
Male reproduc ve organ used to transfer sperms into the female reproduc ve tract is: A.
Urethra
C.
Tes s
Goblet cells are present in A.
Stomach
C.
Large intes ne only
B.
Scrotum
✓
D.
Penis
✓
B.
Small intes ne and large intes ne
D.
Pharynx
The normal pH of human blood is: A.
5.6
C.
8.5
✓
B.
6.3
D.
7.4
B.
Monkeys
D.
Carnivores
Which of the following is digi grade? Rabbits Horse
✓
As the pressure poten al of the cell increases due to endosmosis the cell becomes: A.
Flaccid
C.
Flabby
✓
B.
Turgid
D.
Limp
In birds and mammals, the pulmonary trunk arises from right ventricle and leads to the: A.
Heart
C.
Liver
✓
B.
Lungs
D.
Kidney
In tetany which is responsible for twitching A.
Hypoglycemia
B.
Hypercalomia
C.
Hypocalcemia
D.
Hyperoxaluria
FSH is produced
✓ Q.294
75%
A.
Which of the following tubes are found in the male?
✓ Q.293
20%
The valves present in the veins are:
C.
Q.291
Hormones
A.
A. Q.290
Malnutri on
Lac c acid in muscle causes pH to:
✓ Q.284
B. D.
Which can affect female reproduc ve cycle A.
Q.282
✓
A.
Only in males
B.
Only in females
C.
In both males and females
D.
Helps only in spermatogenesis
All of which are possibly filtered except
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B.
Ions
C.
Proteins
D.
Amino acids
B.
Cushing disease
D.
Insulinoma
A.
Addison's disease
C.
Grave's disease
A.
Phototac c movement
C.
Nas c movement
What secre ons are s mulated by secre n
✓
A.
Gastric & hepa c
C.
Gastric & pancrea c
✓ ✓
B.
Chemotac c moment
D.
Growth movement
B.
Hepa c & pancrea c
D.
Gastric, hepa c & pancrea c
B.
Ernst Munch
D.
Dixon
The pressure flow hypothesis was first proposed by in 1930: A.
Ernst Haeckel
C.
Flemming
✓
During muscles contrac on, which band is not affected
✓
A.
A
B.
I
C.
H - zone
D.
Z
The protec ve membrane of hume heat is called;
✓
A.
Pericardium
B.
Epicardium
C.
Myocardium
D.
Endocardium
The haploid egg develops into haploid offspring and it is called haploid: A.
Budding
B.
Fission
C.
Parthenogenesis
D.
Regenera on
Each nasal cavity is subdivided into _________ passage ways
✓
A.
3
B.
4
C.
6
D.
2
No blood vessels are found in
✓
A.
Car lage
B.
Chondrocytes
C.
Osteoclast
D.
Both a & b
B.
β-cells
D.
Epinephrine
All are related except A.
Pancreas
C.
Diabetes
✓
Which animal has large ceacum and appendix? A.
Rabbit
B.
Mouse
C.
Cow
D.
None of these
In spermatogenesis primary spermatogonium undergoes
✓ Q.307
Glucose
Movements shown by sperms of liverworts, mosses and fern toward archegonia in response it:
✓ Q.306
A.
The condi on in which excess cor sol is produced
✓ Q.302
Page 19
A.
Meiosis I
B.
Meiosis II
C.
Mitosis
D.
Any of these
B.
Five fingers
D.
Five teeth
Pentadactyl means: A.
Five limbs
C.
Five tails
✓
Which is an enzyme of saliva? A.
Water
C.
Sodium bicarbonate
Source of gases in GIT is A.
Swallowed air
C.
Blood
B.
Mucus
✓
D.
Amylase
✓
B.
Bacteria
D.
All of these
The part of kidney through which renal artery, vein and ureter pass into kidney
✓
A.
Renal pelvis
B.
Hillium
C.
Hillus
D.
Medulla
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Atherosclerosis can cause
✓ Q.312
Q.313
A.
Narrowing of arteries
B.
Hardening of arteries
C.
Both of these
D.
None of these
B.
Motor neurons
D.
All
Nissl's granules are found in A.
Sensory neurons
C.
Associa ve neurons
A.
Turgid
B.
Swell
C.
Wilt
D.
Rupture
B.
25
D.
33
In adults, the no. of vertebrae are A. C.
Q.315
Q.316
✓
A.
3 - 7 days
B.
30 - 32 days
C.
28 days
D.
280 days
A.
Superior vena cava
B.
Inferior vena cava
C.
Both
D.
None
How many ATP are produced during aerobic respira on as compared to anaerobic condi ons A.
4:2
B.
20 : 1
C.
40 : 2
D.
40 : 1
Veins are the blood vessels which transport blood from body cells towards: A. C.
Q.319
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A.
Insulin
C.
ADH
Kidney
D.
Heart
✓
B.
Calcitonin
D.
Thyroxine
A.
Produced by hypothalamus
B.
A growth hormone
C.
Produced by anterior pituitary
✓
D.
Both b & c
B.
Sympathe c
✓
D.
Both b & c
✓
B.
Passive immunity
D.
Both b & c
Which of these inhibits urina on A.
Parasympathe c ac vity
C.
ADH
The injec on of an serum in the body result in A.
Ac ve immunity
C.
Life me immunity
Chordae tendinae is present in A.
Bicuspid valve
B.
Tricuspid valve
C.
Both
D.
Semi-lunar vale
Liquid that escape during defros ng the frozen meat has A.
Campylobacter
B.
Clostridium
C.
Salmonella
D.
None
Testosterone controls the development of male secondary sexual characteris cs during: A.
Childhood
C.
Development
✓
B.
Puberty
D.
Adult age
Erythrocytes normally develop in:
✓ Q.327
Liver
B.
✓
Somatotrophin is
✓ Q.325
Brain
Antagonist to parathyroid hormone is
✓ Q.324
30
✓
Right atrium receives blood from
✓ Q.318
26
Menstrua on lasts for:
✓ Q.317
✓
The water loss due to exosmosis from plant cells causes plants to:
✓ Q.314
Page 20
A.
Liver
B.
Spleen
C.
Red bone narrow
D.
Car lage
B.
Rigidity
Which is characteris c of Parkinson disease A.
Tremors
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Which dialysis needs to be repeated more frequently? A.
Haemo dialysis
C.
Both dialysis
✓
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All
✓
B.
Peritoneal dialysis
D.
Ar ficial dialysis
Cocklebur
B.
Henbane
C.
Co on
D.
Maize
B.
Rheumatoid arthri s
D.
All a, b, c
Chronic arthri s includes: Osteoarthri s Gouty arthri s
✓
The energy possessed by water molecules is:
✓
A.
Kine c
B.
Poten al
C.
Heat
D.
Solar
B.
Myoglobin
D.
All of above
B.
Eytokinins
D.
All a, b, c
Respiratory pigment present in muscles is A.
Globin
C.
Haemoglobin
✓
Developing seeds are rich source of: A.
Auxins
C.
Gibberellins
✓
The P730-P660 interconversion might be the plant me-regulator for:
✓
A.
Flowering
B.
Leafing
C.
Budding
D.
Shoo ng
Peristalsis is the --------------- of diges ve tract by which food is moved along the cavity of alimentary canal A.
Wave of contrac on
C.
Bolus passage movement
Diges on of starch takes place in A.
Stomach and duodenum
C.
Duodenum only
B.
Wave of movement
✓
D.
All of these
✓
B.
Buccal cavity and duodenum
D.
Buccal cavity and liver
Evolu on of pollen tube pollen tube parallels the evolu on of:
✓
A.
Seeds
B.
Fruit
C.
Embryo
D.
Leave
Cervical vertebrae are ________ in number:
✓
A.
7
B.
12
C.
33
D.
22
The only photosynthesizing cells of epidermis of leaf are:
✓ Q.340
D.
A.
C.
Q.332
✓
Which one of the following is a short day plant:
A. Q.331
Diminished motor ac vity
Page 21
A.
Cortex cells
B.
Mesophyll
C.
Guard cells
D.
Xylem cells
Egg is enriched with food in A.
Oviparous
C.
Ovoviviparous
Which one of the following is the bone of forelimb: A.
Tarsals
C.
Ethmoid
B.
Viviparous
✓
D.
Both a & c
✓
B.
Rahivs, ulna
D.
Femur
B.
Muscles
✓
D.
All
✓
B.
Foetal ssues
D.
None of these
Which are mesodermal in orgin A.
Tooth
C.
Bones
Placenta is human is derived from the A.
Maternal ssues
C.
Both a & b
The internal lining of blood vessels is called
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Q.352
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✓
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Epithelium
C.
Hypothelium
D.
Mesothelium
A.
Clostridium
B.
Salmonella
C.
Virus
D.
None
A.
Muscular ssues and elas c fibers
B.
Smooth and circular muscles
C.
Connec ve ssues
D.
All of the above
A.
Len cular transpira on
B.
Stomatal transpira on
C.
Cu cular transpira on
D.
None
What is thick loop of Henle
✓
A.
Ascending
B.
Descending
C.
Transverse
D.
All of these
The proximal tubule of nephron mostly contains
✓
A.
Nitrogenous wastes
B.
Damaged blood cells
C.
Chloride ions
D.
Hormones
Which one of following has autonomic nerve supply A.
Striated muscles
B.
Striated muscles
C.
Heart muscles
D.
Biceps and triceps
The heart is 13-chambered tubular vessel in:
✓
A.
Cockroach
B.
Earthworm
C.
Leech
D.
Forg
B.
Sneezing
D.
All of these
Which one is a protec ve mecahnism A.
Coughing
C.
Pyrexia
✓
Syphilis caused by
✓
A.
Treponema pallidum
B.
Neisseria gonorthoea
C.
Herpes virus type II
D.
None of these
Affinity of myoglobin to oxygen is __________ than to haemoglobin A.
Equal
C.
Lower
✓
B.
Li le lower
D.
Higher
Histamine is released from A.
Monocytes
B.
Lymphocytes
C.
Basophils
D.
Neutrophils
By weight of the plasma the plasma proteins cons tute:
✓
A.
7-9%
B.
5-7%
C.
3-5%
D.
1-7%
In viral infec on we go for:
✓ Q.358
B.
The loss of water in the form of water vapours through the cu cle of leave is called:
✓ Q.356
Endothelium
Which of the following layers is thin in veins:
✓ Q.351
A.
Cause of botulism is
✓ Q.348
Page 22
A.
Vaccina on
B.
An bio c
C.
An sera
D.
Chemotherapy
Secretary phase lasts from _______ to ________ days of menstrual cycle
✓
A.
13, 27
B.
4, 13
C.
1, 3
D.
14, 16
The major source of kidney stones are due to
✓
A.
Green vegetables
B.
Ro en fruits
C.
Tuberous vegetables
D.
Contaminated water
B.
Acromegaly
D.
Cushing disease
If STH secre on occurs in excess later in life, it's called A.
Hypethyroidism
C.
Dwarfism
✓
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Q.362
Q.363
Q.364
Kidney accounts for less than __________ percent of total body weight
✓
Q.367
Q.368
0.5
C.
10
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20 Dissolving membranes between the both
C.
Ac on poten al buildup
D.
Electrical current
A.
Passive immunity
C.
Both of these
✓
B.
Ac ve immunity
D.
None of these
A.
Dialysis
B.
Uremia
C.
Lithotripsy
D.
Radiotherapy
Corpus callosum is A.
Bundle of neutrons
B.
Bundle of dendrites
C.
Bundle of axons
D.
All
Mucosa is the -------------------- layer of stomach
✓
A.
Inner
B.
Middle
C.
Outer
D.
Outermost
Failure of interatrial foramen to close or of ductus arteriosus to fully constrict results in:
✓
A.
Cyanosis
B.
Arteriosclerosis
C.
Sclerosis
D.
Arrogance
Small amount of carbon dioxide is also carried by corpuscles combined with Fe Na
Which are ancestors of vertebrates A.
Invertebrates
C.
Enchinoderms
Exchange of gases is carried out only by the process of A.
Osmosis
C.
Ac ve transport
An external genitalia, very sensi ve during copula on is: A.
Placenta
C.
Cervix
B.
Mg
✓
D.
K
✓
B.
Invertebrate chordates
D.
Protostomes
B.
Diffusion
D.
Cytosis
B.
Clitoris
D.
Uterus
✓ ✓
The T-tubule and terminal por on of adjacent envelope of sarcoplasmic re culum form --------- regular intervals: A.
Sarcomere
B.
Bivalents
C.
Triads
D.
Motor unit
In pulmonary respira on gaseous exchange take place through
✓ Q.374
D.
Non surgical removal of kidney stones
✓ Q.373
1
B.
C.
Q.370
B.
Chemical signals
A. Q.369
✓
A.
The vaccines are referred to as produce
✓ Q.366
A.
Transmission of impulse across the synapse is brought about by
✓ Q.365
Page 23
A.
Skin
B.
Gills
C.
Lungs
D.
Both a & b
The tricuspid and bicuspid valves close, and the sound made is: A.
Jub
C.
Dub
✓
B.
Hub
D.
Lub
The dura on of low temperature (Chilling) treatment varies from: A.
4 days to 2 months
C.
2 days to 3 months
Sexual reproduc on usually involves: A.
One parent
C.
Three parents
✓ ✓
B.
4 days to 3 months
D.
5 days to 5 months
B.
Two parents
D.
Four parents
If the two genera ons are vegeta vely similar such alterna on of genera on is referred to as: A.
Homomorphic
✓
B.
Isomorphic
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A.
Blood capillaries
C.
Jejunum
Vagina A.
Has a single opening
C.
3 openings
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Eumorphic
✓ ✓
B.
Lymph vessels
D.
IIeum
B.
Two openings
D.
None of these
P 430 P 630
✓
B.
P 530
D.
P 730
Plants growing under moderate condi ons of the environment are known as: A.
Scolphytes
C.
Hydrophytes
✓
B.
Xerophytes
D.
Mesophytes
B.
Only cor cal
D.
Juxtamedullary
B.
2
D.
4
Vasa recta is found in A.
All nephrons
C.
Only medullary
Man has ---------------- nervous systems A.
1
C.
3
✓ ✓
Len cular transpira on is the loss of water vapours through len cels present in the: A.
Leaf
C.
Flower
B.
Root
D.
Stem
B.
Removed
✓
D.
Implanted
✓
B.
Car lage
D.
Tendon
✓
What is meant by 'fer lized egg ge ng conceived A.
Aborted
C.
Moved to uterus
Chondrocytes are the living cells of A.
Bone
C.
Muscles
Haemolymph in cockroach is meant for: A.
Respira on
C.
Reproduc on
✓
B.
Excre on
D.
None of these
Rep les and birds are:
✓
A.
Oviparous
B.
Viviparous
C.
Ovoviviparous
D.
Euviviparous
Gouty arthri s is due to accumula on of
✓ Q.390
D.
P 660 absorbs red light at a wave length of 660 nm and is converted to ac ve: C.
Q.382
Heteromorphic
Proteins combine with fat molecules to form lipoprotein droplet in
A. Q.381
Page 24
A.
Pathogens
B.
Urea
C.
Uric acid
D.
All of these
B.
Haploid
D.
Both a & c
Secondary oocyte is A.
Diploid
C.
Product of meiosis II
✓
The process of shedding of exoskeleton periodically and its replacement with one of larger size is called: A.
Metamorphosis
C.
Fall off
✓
B.
Ecdysis/mol ng
D.
All of these
Gall stones are produced by precipita on of
✓
A.
Cholesterol
B.
Stones
C.
Tomatoes
D.
All of above
B.
has control enter
D.
All of these
The physical control system of living organisms A.
Has receptor
C.
has effecter
✓
Which duct is urogenital
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Venules
C.
Capillaries
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Urethra
✓
B.
Arterioles
D.
Tracheoles
A.
An body
B.
An gen
C.
An sera
D.
None of the above
B.
Progesterone
D.
Estrogen
A.
Gonadotropins
C.
Chorionic gonadotropin
✓
All or all None or few
Sinus venosus is characteris c of: A.
Rep les and birds
C.
Birds and mammals
B.
None or none
✓
D.
All or none
✓
B.
Fishes, amphibians
D.
Birds only
Dead and damaged red blood cells are stored in
✓
A.
Spleen and liver
B.
Connec ng ssues of muscles
C.
Glycogen
D.
Skin ssues
In conduc on from the S-A node to A-V node, there is a delay of about: A.
0.7 seconds
B.
0.4 seconds
C.
0.15 seconds
D.
0.2 seconds
Which has more blood supply
✓
A.
Kidneys
B.
Liver
C.
Spleen
D.
Heart
Full turgidity i.e, maximum pressure poten al is achieved when a cell is placed in: A.
Pure water
B.
Dis lled water
C.
Both a & b
D.
None
B.
Glo s
D.
Larynx
B.
Distal Tubule
D.
Both B & C
The opening of windpipe is known as A.
Epiglo s
C.
Sphincter
✓
An diure c hormones act on A.
Descending loop
C.
Collec ng tubule of vertebrate nephron
✓
Glomerular filtrate has same concentra on as that of plasma except
✓
A.
Blood cells
B.
Glucose
C.
Amino acids
D.
Salts
Which increases heart rate
✓ Q.408
D.
The contrac on of each muscle is based on ________ principle:
✓ Q.404
Ureter
All of the following hormones are produced by placenta except
✓ Q.402
B.
✓
If a snake bite a person, which fo the following thing is injected into the affected person:
C.
Q.400
Ejaculatory
A.
A. Q.399
Vas deferens
The arteries divide into smaller vessels called:
✓ Q.397
Page 25
A.
Hypothyroidism
B.
ADH
C.
Adrenaline
D.
Both b & c
B.
Enamel
D.
Dental tubules
The hardest part of a tooth is A.
Den ne
C.
Pulp
✓
Red blood cells are varying in nature depending upon their func on, iden fy which of the cell has characteris c func on B. Basophil: Inac vatyes inflamma on-producing ✓ A. Monocyte: Destroys large par cles by phagocytosis substances C. Eosinophil: Release an coagulant to prevent D. Lymphocyte: Destroy rela vely small par cles blood clots histamine by phagocytosis Which enzyme covert polypep des to dipep des
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Erypsin
✓
B.
Pepsin
D.
Amino pep dase
A.
Mammals
C.
Rep les
✓
B.
Amphibians
D.
Birds
The flying mammals is:
✓
A.
Bat
B.
Monkey
C.
Eagle
D.
Ostrich
7/8 of all nephrons are
✓
A.
Cor cal
B.
Medullary
C.
Juxtamedullary
D.
None of these
B.
Salivary glands
D.
Grinding of food
Saliva is secreted from A.
Pituitary glands
C.
Mas ca on of food
✓
Thjermonasty is due to: A.
Light
B.
Gravity
C.
Temperature
D.
Water
B.
Hippocampus situated in forebrain
D.
Spinal cord
B.
Tonsils
D.
Inters
Long term memories and learning are stored by A.
Hippocampus situated in hindbrain
C.
Hippocampus situated in midbrain
✓
Largest patches of lympha c system are generally known as A.
Lymph nodes
C.
Thymus
✓
al spaces
Iden fy the part of nervous system that prepares the body for fight or flight
✓ Q.419
Trypsin
The heart is three chambered with regard to auricles & ventricles in.
✓ Q.416
Page 26
A.
Autonomic nervous system
B.
Soma c nervous system
C.
Sympathe c nervous system
D.
Parasympathe c nervous system
B.
back flush of acidic chime
✓
D.
All of these
✓
B.
At the beginning of menstrua on
D.
At prolifera on
Heart bun is the burning sensa on of chest due to A.
Pyrosis
C.
Over ea ng
Menstrual cycle begins A.
At the end of menstrua on
C.
At the mid of menstrua ons
The main distributary vessel in earthworm is the: A.
Subneural vessel
C.
Dorsal blood vessel
Increase in diameter of plans is called: A.
Primary growth
C.
Ter ary growth
✓ ✓
B.
Ventral blood vessel
D.
Commissural vessel
B.
Secondary growth
D.
quaternary growth
B.
Testosterone
D.
All of these
Which of following are steroid hormones A.
Estrogen
C.
Cor sol
✓
Under res ng condi on inner part of cell membrane of neuron is
✓
A.
-vely charged
B.
+vely charged
C.
Neutral
D.
Variable
B.
Alary muscle
D.
Sclerites
Cardiac movement in cockroach is controlled by: A.
Ciliary muscles
C.
Sternohyoid muscles
✓
Myeclin sheath in central nervous system is formed from cells
✓
A.
Schwann cells
B.
Soma
C.
Both
D.
Dendrites and axons
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Male reproduc ve organ is used to transfer the sperms into the female:
Q.442
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A.
Diges ve tract
C.
Respiratory tract
Mycobacterium causes A.
Asthma
C.
Emphysema
✓ ✓
B.
Reproduc ve tract
D.
Excretory tract
B.
TB
D.
Lung cancer
B.
54ml/100ml
D.
None of these
Amount of CO2in arterial blood (pulmonary arteries) A.
50ml/100ml
C.
4ml/100ml
✓
Fat globules are absorbed by lacteals and a er a fa y meal these fat globules make up lymphs in percent
✓
A.
1%
B.
10%
C.
20%
D.
5%
B.
Backache
✓
D.
Rickets
✓
B.
Hypothalamus
D.
Cerebrum
Which of the following is not caused by bad posture? A.
S ff neck
C.
Uneven shoulders
Menstrual cycle in females is under control of A.
Limbic system
C.
Pituitary
Which of the following changes occur when skeleton muscle contracts: A.
The A bond Shorten
C.
The Z - line slid father apart
✓
B.
The I band shorten
D.
The ac n filaments contract
Low temperature s mulates flowering, the phenomenon is called:
✓
A.
Vernalisa on
B.
Photoperiodism
C.
Dormancy
D.
Apomixis
The discharge of blood and cell debris is known as:
✓
A.
Menstrua on
B.
Bleeding
C.
Ovula on
D.
Abor on
B.
Gibberellins
✓
D.
All a, b, c
B.
Ovoviviparous
✓
D.
Viviparous
✓
B.
Catalyst
D.
Means
B.
LTH
D.
Oxytocin
Developing seeds are a rich source of: A.
Auxins
C.
Cytokinins
Mammals are: A.
Oviparous
C.
Both a & b
In blood clo ng process, Prothrombin acts as a: A.
Channel
C.
Vehicle
Which one of the following hormones induces labour pains: A.
Lactogen
C.
LH
✓
Long tubular structures, join end to end to form long water conduc ng popes in xylem: are called.
✓ Q.441
Page 27
A.
Fibres
B.
Sclereids
C.
Vessels
D.
Companions cells
Vernaliza on is induced by:
✓
A.
Vernalin
B.
Florigen
C.
Ethene
D.
I.A.A
In plants, if there is alterna on of genera on between a diploid sporophyte and a haploid gametophyte meiosis occurs during: A.
Gamete forma on
C.
Both a & b
✓
B.
Spore forma on
D.
None
The lower two pairs of ribs are called
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Floa ng ribs
D.
All of these
Thymus
B.
Adenoid
C.
Tonsils
✓
D.
All of these
A.
Osmolegula on
C.
Thermoregula on
✓
B.
Homeostasis
D.
Excre on
A.
One pair
B.
Two pairs
C.
Single right
D.
Single le
B.
Ribosomes
D.
All
Ac ve transport occurs in C.
Na+/ K+gates +
+
Na / K pump
Which one of the following glands lies above the kidneys of frog A.
Pituitary
B.
Bowman's capsule
C.
Adrenal
D.
None
B.
air
D.
gravity
Plant and animals need support against: A.
water
C.
light
✓
Electrocardiogram helps to know the abnormali es in the rhythmicity or conduc on system of the: A.
Brain
C.
Liver
Pancreas is a A.
Exocrine gland
C.
Both a and b
Gastrin is produced against A.
Lipids secre on
C.
Starch
The average life span of red blood cell is about: A.
Two months
C.
Three months
B.
Kidney
✓
D.
Heart
✓
B.
Endocrine gland
D.
None of these
B.
Proteins
D.
Carbohydrates
B.
Four months
D.
Six months
✓ ✓
Internal linings of uterus are called
✓ Q.455
B.
In birds the number of aor c arches is:
✓
Q.450
✓
Organisms maintain their internal body environment against external environmental changes is known as
✓
Q.449
False ribs
A.
A. Q.448
Free ribs
Agranulocytes are formed in
✓ Q.447
Page 28
A.
Myometrium
B.
Perimetrium
C.
Endometrium
D.
None of these
B.
LTH
D.
Oxytocin
Which one of following hormones induces labor pains A.
Lactogen
C.
LH
✓
Which wave in ECG occurs just prior to atrial contrac on
✓
A.
"P" wave
B.
"Q" wave
C.
"T" wave
D.
All of these
B.
Axis is perpendicular to movement direc on
D.
Both are at an angle of 120°
Which is true for movement of hinge joint A.
Axix is parallel to movement direc on
C.
Axis is an parallel to movement direc on
✓
Prostate gland, bulbourethral gland and seminal vesicle are associate with: A.
Excretory system
C.
Endocrine system
In amphibians the heart is: A.
Venous
C.
With open circula on
✓ ✓
B.
Reproduc ve system
D.
Immune system
B.
With double circula on
D.
With arterial and venous circula on
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Q.461
The type of muscles which have many nuclei per cell
✓
Q.463
A.
Skeletal muscles
B.
Cardiac muscles
C.
Smooth muscles
D.
Both a & b
The removal of amino group from an amino acid and leading to the forma on of ammonia is called:
✓ Q.462
A.
Decarboxyla on
B.
Oxida on
C.
Deamina on
D.
Reduc on
In some cases e.g, in aphids, parthenogenesis may be: A.
Haploid
C.
Triploid
C.
Q.465
Reduc on Fusion
The oxygenated blood form lungs in received by A.
Righ atrium
C.
Right ventricle
Inversely propor onal to O in 2 concentra on of H urine In nature P 730 to P 660 conversion occurs in the: A.
Day
C.
Evening
C.
Q.469
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Realignment
D.
Fracture
✓
B.
Le atrium
D.
Le ventricle
B. D.
Directly propor onal to concentra on of solute in urine All of these
✓ ✓
B.
Dark
D.
Dawn
Renal veins Iliac veins
✓
B.
Hepa c veins
D.
Pulmonary veins
A.
Tissue culturing
B.
Iden cal twins
C.
Cloning
✓
D.
None of these
Kidney as an endocrine gland produces A.
Erythropoie n
B.
Calcitriol
C.
Both
D.
Calcitonin
Cohesion tension theory was proposed by:
✓ Q.471
B.
Common method of sexual reproduc on is
✓ Q.470
Tetraploid
All veins carry deoxygenated blood except A.
Q.468
Diploid
✓
Directly propor onal to concentra on of urine
C.
Q.467
B. D.
Amount of diure c hormone secreted is A.
Q.466
✓
The breakage of bone is known as: A.
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Page 29
A.
Jolly
B.
Dixon & Jolly
C.
Dixon
D.
Linnaeus
Voice box is also known is
✓
A.
Larynx
B.
Epiglo s
C.
Pharynx
D.
Bronchus
B.
Filtra on
D.
Centrifuga on
B.
Ovula on
D.
Menopause
Dialysis means A.
Frac ona on
C.
Dissolu on
Luteinizing hormone induces: A.
Flowering
C.
Vernalisa on
Stomach is composed of _________ layers of muscles A.
2
C.
4
✓ ✓ ✓
B.
3
D.
5
The release of ovum from the follicle is called:
✓
A.
Ovula on
B.
Menstrua on
C.
Follicle atresia
D.
Menace
Measurement of capacity to do electrical work is
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Testosterone
C.
Car costerone
A.
Bicuspid valve
C.
Sino-atrial node
A.
Resistant structures
C.
Germinate to form sporophye
✓
Electrical poten al
B.
Progesterone
D.
Oxytocin
B.
Tricuspid valve
✓
D.
Semilunar valve
B.
Protect embryos
✓
D.
Germinate to form gametophyte
✓
A.
Liver
B.
Gall bladder
C.
Jejunum
D.
Spleen
B.
Fibrinogen
D.
Both a & b
Which of the following helps in blood clo ng Platelets +
K
✓
Haemoglobin increases the oxygen carrying capacity by A.
100 mes
B.
1000 mes
C.
70 mes
D.
75 mes
What event ini ates blood clo ng ? A.
Produc on of enzyme thrombin
C.
Excess flow of blood through a capillary
✓
B.
Conversion of fibrinogen into fibrin
D.
None of these
B.
B-lymphocytes
D.
An gens
Which s mulates the produc on of an bodies A.
T-lymphocytes
C.
Both of these
✓
Cor costerone is a A.
Mineralocor coid
B.
Glucocor coid
C.
Both
D.
Neuopep de
B.
Syphilis
D.
Gonorrhoea
Neisseria gonorrhoeae cause: A.
Genital herpes
C.
AIDS
✓
In the lower abdominal region, aorta bifurcates into two main branches the right and le : A.
Femoral arteries
C.
Scia c arteries
✓
B.
Iliac arteries
D.
Mesenteric arteries
Which has thermo receptors A.
Hypothalamus
B.
Skin
C.
Both A & B
D.
Thalamus
Haemoglobin makes _________ of R.B.C dry contents
✓
A.
95%
B.
35%
C.
50%
D.
70%
The glo s is closed by A.
Contrac on of skeletal muscles
C.
Upward movement of larynx
✓
B.
Contrac on of a ring of muscles
D.
Both b & c
B.
Three twins
D.
Fraternal twins
Triplet means A. C.
Q.492
D.
The toxic substances are converted to waste and non-toxic products by
✓ Q.489
Repolariza on
Which one is not correct for seeds:
✓ Q.486
B.
✓
At the base of aorta, the valves present are:
✓
Q.484
Electrical polariza on
A.
C.
Q.483
Depolariza on
Which one of the hormones is not steroid
A. Q.482
Page 30
Iden cal twins Parental twins
✓
The heart of rep les and all other amniotes prac cally func on as---------chambered heart. A.
Three
C.
Two
✓
B.
Four
D.
Five
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The exchange of gases in a mammal takes place at
Q.499
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✓
D.
Alveoli
A.
One chambered
B.
Two chambered
C.
Three chambered
A.
Muscles
C.
Ligament
✓
D.
Four chambered
✓
B.
Bones
D.
Car lage
A.
Right in rep les
B.
Le in mammals
C.
Le in amphibians
D.
Le in birds
D.
All of these
Villi and microvilli increase
✓
A.
Absorp on
B.
Assimila on
C.
Eges on
D.
Diges on
Which one of the following is not related to photomorphogenesis: A.
Leaf expansion in dicotyledons
C.
Leaf unrolling in grases
✓
B.
Chloroplast development
D.
Produc on of vernalin
Long term memory forma on takes place in A.
Amygdala
B.
Thalamus
C.
Hippocampus
D.
Cerebrum
Cytoplasmic strands that extend through pores in adjacent cell wall are:
✓
A.
Plasmodesmata
B.
Plasma Fibre
C.
Plasma Filament
D.
Plasmostring
All cells of body bathed by
✓
A.
Inters
al fluid
B.
White blood cells
C.
Red blood cells
D.
None of these
A er birth the uterus contracts and separates the placenta from the wall of the uterus within: A.
10-35 minutes
B.
10-25 minutes
C.
10-45 minutes
D.
15-45 minutes
Which part of the vertebral column has 12 vertebrae?
✓
A.
Thoracic
B.
Lumber
C.
Cervical
D.
Sacral
Which pair of vertebrae are equal in no
✓ Q.506
Bronchi
Bronchioles
Which of the following helps establish the neuron res ng poten al ? A. Concentra on differences of ions and B. Differen al permeability of membrane molecules C. Diffusion of ions
✓ Q.504
C.
B.
Which systemic vessel disappears
✓ Q.501
Trachea
Tendons a ach muscles to
✓ Q.498
A.
The heart of all amniotes func ons as
✓ Q.497
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A.
Cervical & lumbar
B.
Coccyx and sacral
C.
Sacral and lumbar
D.
Cervical and coccyx
B.
Pleural membrane
D.
Peritoneum
B.
Planaria
D.
None of these
How much air lungs is called A.
Pericardium
C.
Operculum
Differen a on of neurons is present in A.
Hydra
C.
Jelly fish
✓ ✓
Gu a on is loss of liquid water through water secre ng glands or:
✓
A.
Hydathodes
B.
Stomata
C.
Pores
D.
Apertures
The lymph vessels have at cerain points, masses of connec ve ssue called:
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A.
Lymph nodes
B.
Lymph goitre
C.
Intermodes
D.
Nodules
The ACTH released from foetal pituitary s mulates the foetal adrenal glands to release:
✓
A.
Cor costeroids
B.
Gastrin
C.
Pepsin
D.
Mucous
B.
Ac n & Insulin
✓
D.
Myosin & ac on
B.
Posterior pituitary
✓
D.
None of these
✓
B.
Haemoglobin
D.
Both b & c
Heart muscles contain myofibrils and myofilaments of: A.
Myosin & Insulin
C.
Kera n & Collagen
ADH is produced in A.
Anterior pituitary
C.
Median pituitary
Thalassaemia is a gene cally transmi ed abnormality of: A.
Myoglobin
C.
Immunoglobulin
If the following contents are set up, which will be producing CO2 a er incuba on within the test tube under lab condi ons A.
Sucrose + centrifuged cells
C.
Mitochondria + pyruvic acid
✓
Q.521
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Q.523
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Q.525
Mitochondria + Acetyl Co-A
A.V septum
B.
Wall of le atrium
Wall of ventrical
D.
Wall of right atrium
B.
Circular smooth muscles
D.
Striated muscles
B. D.
Increase the surface area for diges on with the help of enzyme ac vity Decreases the surface area for diges on
Bronchioles are made up of A.
Longitudinal smooth muscles
C.
Skeletal muscles
Molars crushes food into smaller pieces to Increase the surface area for diges on
✓ ✓
Increase the surface area for diges on with the help of teeth The force of a rac on among water molecules is:
✓
Q.520
D.
C.
C.
Q.519
Glucose + mitochondria
A.
A.
Q.518
B.
A.V node is present in
✓ Q.516
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A.
Adhesion
B.
Tension
C.
Cohesion
D.
Solidity
The total transpira on taking place through cu cle is: A.
5-7%
C.
5-6%
B.
1-7%
D.
2-5%
B.
Three
✓
D.
Many
✓
B.
Axon
D.
Central branch
B. D.
Reverse contrac le movement of vaginal and uterine ssues All of these
B.
Hyponasty
D.
Nyc nasty
✓
Ball and socket joints allows movement in ________ direc on: A.
Two
C.
Four
Which branch of motor neuron is more lengthy A.
Dendrite
C.
Dendron
Sperms reach to proximal part of fallopian tube by A.
Tail movement
C.
Ciliary movement of oviduct
✓
Which of the following is not a type of growth movements: A.
Epinasty
C.
Nuta on
✓
Secondary sexual characteris cs develop during the period of:
✓
A.
Puberty
B.
Gesta on
C.
Menstrua on
D.
Childhood
Lumbar vertebrae present in the lower back region are ___________ in number:
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D.
9
Spermatogonia
B.
Zoospores
C.
Zygospores
✓
D.
Oogonia
A.
Cavum pulmonale
B.
Cavum arteriole
C.
Cavum venosum
D.
Cavum systemica
A.
Sensory
C.
Psychic
✓
B.
Motor
D.
All
A.
Blood
B.
Coelomic fluid
C.
Outside CNS
D.
Bones
B.
Diaphragm
D.
Peritoneum
A.
Air sac
C.
Larynx
✓
The sequence of the events which take place during the comple on of one heartbeat is: A.
Pyloric cycle
C.
Myocardial cycle
Intercalated disc is the characteris c of A.
Smooth muscles
C.
Skeletal muscles
Which can serve as precursor of steroid hormone A.
Lac c acid
C.
Phospholipids
✓
B.
Calvin cycle
D.
Cardiac cycle
✓
B.
Cardiac muscles
D.
All of these
B.
Cholesterol
D.
Glucose
✓
Minerals dissolved in water are distributed throughout plant body by:
✓
A.
Transpira on stream
B.
Root pressure
C.
Gu a on
D.
Bleeding
B.
Double circuit heart
D.
Tetra circuit heart
The heart of amphibians is a beginning of: A.
Single circuit heart
C.
Triple circuit heart
✓
Breathing process is accelerated by one of the following factors A.
Oxygen deficiency in ssue
B.
Lack of CO2
C.
High CO2level
D.
Low CO2within the alveoli
The end or complete stop of the menstrual cycle is called: A.
Femopause
B.
Genopasue
C.
Menopause
D.
Repopause
Corpus luteum starts secre ng a hormone called: A.
Oestrogen
B.
Testosterone
C.
Progesterone
D.
Oxytocin
The ac ve uptake involves the use of energy in the form of:
✓ Q.540
A.
The floor of the chest is called
✓ Q.539
12
The cerebrospinal fluid matches with
✓ Q.538
B.
The symptoms of epilepsy may be of which type
✓ Q.537
5
✓
In rep les systemic arches arise from a region of ventricle called:
✓ Q.530
7
Germ cells in the ovary produce many:
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A.
TTP
B.
GTP
C.
ATP
D.
CTP
B.
Blood clo ng
D.
Epilepsy
Basophils produce heparin- a substance the inhibits: A.
Blood transfusion
C.
Bleeding
✓
Tobacco plants produce flower in:
✓
A.
Spring
B.
Summer
C.
Autumn
D.
Winter
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Fer liza on in mammals occurs in the
✓
Q.549
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Q.552
✓
Q.555
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Anterior five vertebrate
B.
Posterior four vertebrate
C.
Medial body of vertebrate
D.
Spinal arch
A.
Iron source medicine
B.
Food
C.
Salvaged iron
D.
Produces by liver
A.
Storage
B.
Conduc on
C.
Support
D.
Absorp on
A.
Artery
B.
Vein
C.
Capillary
D.
None
A.
A
B.
C
C.
D
D.
C or D
A.
Pacemaker
B.
Paces er
C.
Innovator
D.
Trendse er
A.
Sensory
B.
Motor
C.
Mixed
D.
Spinal
Leucaemia is usually characterized by greatly increased numbers of abnormal:
✓
A.
White blood cells
B.
Red blood cells
C.
Platelets
D.
None of them
B.
Parasympathe c
D.
Soma c
The size of pupil is decreased by which nervous system part A.
Sympathe c
C.
Paratonic
✓
Campylobacter causes A.
Cardiac paralysis
B.
Respiratory paralysis
C.
Food poisoning
D.
None
The joints of skull bones are called A.
Skull joints
B.
Cranial joints
C.
Sutures
D.
Synovials
Joint present in skul which fix teeth into jaws:
✓
A.
Fibrous
B.
Car laginous
C.
Hinge
D.
Ball and Socket
Which is not true for dialysis
✓ Q.556
A.
Vagus nerve is
✓ Q.554
Vagina
-------- is responsible for ini a ng the impulses which trigger the heartbeat rate.
✓ Q.553
D.
Rickets is due to to deficiency of vitamin:
✓ Q.550
Fallopian tubes
In the liver, every cell is in direct contact with a:
✓ Q.548
Uterus
B.
What is the func on of collehyuma and sclerenchyma cellsl?
✓ Q.547
C.
✓
New red blood cells need iron to synthesize which usually comes in the absence of external source form
✓ Q.546
Ovary
The sacrum is formed by fusion of
✓ Q.545
A.
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A.
It is for cleaning the blood
B.
It is used for temporary management
C.
Hypertonic fluid is used in it
D.
Dialysis need to be repeated
Hind brain
✓
A.
Has three parts
B.
Is reduced in humans
C.
Has control over voluntary parts
D.
Is largest of three parts
B.
Animals
D.
None of these
Glycogen is the reserve food material of A.
Plants
C.
Both plants and animals
✓
Photoperiod affects flowering when shoot meristem starts producing.
✓
A.
Floral buds
B.
Leaves
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B and C
A.
Vernalisa on
B.
Ovula on
C.
Embryonic induc on
D.
Flowering
A.
Kidney disorder
C.
Cardiac disorder
✓
The mature bone cells are called: A.
Osteoblasts
C.
Chondrocytes
✓
Air enters the lungs from nasal passage via the trachea and alveoli Air enters the lungs from oral cavity via the pulmonary vanule and bronchi
B.
Metabolic disorders
D.
None of them
B.
Osteocytes
D.
Osteoclasts
B.
Placenta
D.
Both a & b
Estrogen is secreted by A.
Ovary
C.
Kidneys
✓
The teeth which are different in shape, size and func on are called A.
Acrodont
C.
Homodont
Follicle atresia means: A.
Produc on of follicles
C.
Matura on of follicles
Which is also called inters A.
FSH
C.
Prolac n
al cell s mula ng hormone
B.
Planrodont
✓
D.
Heterodont
✓
B.
Regenera on of follicles
D.
Fallopian tube
B.
LH
D.
Dopamine
✓
The process of shedding of exoskeleton periodically and its replacement with one of large size is called: A.
Metamorphosis
C.
Fall off
✓
B.
Ecdysis/mol ng
D.
All of these
How much air is held by human lungs when they are fully inflated? A.
3.5 litres
B.
4.5 litres
C.
5 litres
D.
4 litres
B.
An bodies
D.
Blood group
Lymphocytes are responsible for the produc on of A.
An gens
C.
Basophils
✓
Genital soreness and ulcers are caused by A.
Neisseria gonorthoea
B.
Treponema pallidum
C.
Herpes simplex type II
D.
HIV
Which hormone is used as spray to keep the flowers fresh A.
Auxins
C.
Ethene
✓
B.
Cytokinins
D.
Abscisic acid
Food par cles are grinded with the help of
✓
A.
Molars
B.
Chisel teeth
C.
Canines
D.
Cheeks
The maintenance of internal temperature of body with in a tolerable range is termed as:
✓ Q.574
D.
One of the following a arrangement is true in respira on system B. ✓ A. Air enters the lungs from oral cavity or nasal passage via the trachea bronchi C. Air enters the lungs from nasal passage via the D. bronchi and bronchiole Kidney stones are formed due to
✓ Q.571
Lateral buds
Temperature, around 4 C s mulates the produc on of "Vernalin" hormone which induces:
✓ Q.569
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A.
Thermostat
B.
Osmoregula on
C.
Thermoregula on
D.
Pyrolysis
B.
Oedema
D.
Heart a ack
Presence of excess fluid in ssue is: A.
Leucaemia
C.
Pericardi s
✓
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Uterus opens into vagina through
✓ Q.576
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Fallopian tubes
C.
Cervix
D.
Ovaries
B.
Amniotes
D.
All of these
A.
Craniates
C.
Tetrapods
A.
Liver and spleen
C.
Bone ssues
✓ ✓
B.
Bone marrow
D.
Brain
A.
Cl
B.
Na+
C.
Large anions
✓
D.
K+
The oviducts:
✓
A.
Lead form the ovary to the uterus
B.
Lead form the uterus to exterior
C.
Surround the uterus
D.
Lie outside the body
S-A node is present at
✓
A.
Upper end of right atrium
B.
Upper end of right ventricle
C.
Lower end of right atrium
D.
Lower end of right ventricle
Granulocytes survive for:
✓
A.
One week
B.
Two week
C.
Three weeks
D.
Four weeks
The flow of solu on in the sieve elements is driven by an osmo cally generated pressure gradient between: A.
Source and resource
B.
Swim and sink
C.
Source and sink
D.
Basin and Sink
Liver receives: A.
Renal portal vein
B.
Hypophyseal portal vein
C.
Hepa c portal vein
D.
Gastric portal vein
B.
Change in poten al
D.
None of these
Which is not important in genera ng nerve impulse A.
Change in membrane permeability
C.
Movement of ions
✓
The oral cavity is comprises of the following parts
✓
A.
Tongue, teeth, cheeks and palate
B.
Teeth, cheeks and palate
C.
Tongue, teeth, and palate
D.
Tongue, teeth and cheeks
B.
Erythrocytes
D.
Blood plasma
B.
Recording
D.
All
Oxygen is transported in blood mainly by A.
Leucocytes
C.
Thrombocytes
Echocardio gram is A.
Machine
C.
Process
✓ ✓
In adults Anal sphincters are
✓
A.
Voluntary
B.
Involuntary
C.
Both Voluntary & Involuntary
D.
None
Systolic pressure in normal individuals is: A.
100 mm Hg
B.
110 mm Hg
C.
120 mm Hg
D.
130 mm Hg
Leukocytes is an important component of blood have
✓ Q.591
B.
Neutron's membrane allows the diffusion of
✓ Q.590
Uretbra
Red blood cells manufacturing site is
✓ Q.584
A.
Human are
✓ Q.583
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A.
2% of total cellular component of blood
B.
3% of total cellular component of blood
C.
1% of total cellular component of blood
D.
0.5% of total cellular component of blood
B.
Car laginous
Elbow and knee joints are examples of _______ joint: A.
Fibrous
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Flaccid
B.
Turgid
C.
Flabby
D.
Limp
B.
Individual
D.
Both a & c
A.
Species
C.
Popula on
A.
Arterioles
B.
Tracheoles
C.
Lacteals
D.
Caecae
B.
An bodies
✓
D.
Lymph
✓
B.
To maintain the func oning of the body
C.
To maintain the process of respira on
B.
Mid of spinal cord
D.
All
An serum is a serum containing: A.
An gens
C.
Haemoglobin
Which of the following process is a homeostasis: A. To maintain the amount of water constant in the blood
Q.605
Ends of Spinal cord
C.
Brain
A.
Pulmonary artery
C.
Systemic Artery
The discharge of blood from blood vessels is called:
✓
A.
Bleeding
C.
Menses
B.
Coronary artery
✓
D.
Aorta
✓
B.
Haemorrhage
D.
Elimina on
The casparian strips are special structures which are present in the endodermis. These are used to: A. Make the movement of fast through the ✓ B. Make the movement of material slow endodermis through the endodermis C. Block the movement of material through the D. Block is the material through the endodermis endodermis Androgens produce sex derive in A.
Males only
B.
Females only
C.
Both males & females
D.
It does not produce sex derive
Carcinoma is basically as A.
Benign turmor
B.
Localized tumor
C.
Tumor showing metastasis
D.
Muscle cancer
The white blood cells which have life spans of months or even years are: A.
Monocytes
B.
Basophils
C.
Lymphocytes
D.
Eosinophils
B.
Oxyn c cells
D.
All of these
Gastric glands are composed off A.
Mucous cells
C.
Zymogen cells
✓
Heart burn is associated with A.
Blockage of coronary arteries
B.
Burning sensa on in esophagus
C.
A pain of chest muscles
D.
A respiratory disorder
In the roots apoplast pathway becomes discon nuous in the endodermis due to the presence of:
✓ Q.607
A.
Heart's cells receive blood from
✓ Q.606
To maintain the muscular ac vity
Most ganglionic fibres of sympathe c N.S arise from
✓ Q.604
✓
In the intes ne, the branches of lymph capillaries, within villi, are called:
✓ Q.603
Ball and socket
Reproduc on is very important for the survival of:
✓ Q.602
D.
A.
D. Q.597
Hinge
At incipient plasmolysis, the protoplast has just ceased to exert any pressure against the cell wall, so the cell is:
✓ Q.595
C.
Page 37
A.
Plasmodesmata
B.
Endodermis
C.
Casparian strips
D.
Bark
Decrease of FSH and increase of oestrogen, causes the pituitary gland to secrete: A.
Luteotropic hormone
✓
B.
Luteinizing hormone
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Vasopressin
D.
Oxytocin
B.
Mixed
D.
All
Spinal nerves are A.
31 pairs
C.
62 nerves
✓
Myelin sheath helps
✓
A.
In rapid transmi ng of impulses
B.
Block some nerve impulses
C.
Supply nutri on to the axon
D.
In crea ng regenera on
B.
Vas deferens
D.
Urethra
B.
Amphibians
✓
D.
Birds
✓
B.
Shoulder girdle
D.
Femur
The main duct of male reproduc ve tract is A.
Seminiferous
C.
Epididymis
✓
The le systemic disappears in: A.
Fishes
C.
Rep les
Which of the following is a bone is axial skeleton: A.
Ribs
C.
Pelvis
Uncontrolled produc on of WBCs is called A.
Thalassaemia
C.
Oedema
✓
B.
Leucaemia
D.
Leucopenia
The jejunum is about __________ m in length
✓
A.
2.4
B.
4.2
C.
4.8
D.
5.2
What is the func onal unit of lunga in mammals
✓
A.
Alveoli
B.
Air sacs
C.
Bronchioles
D.
Parabronchi
B.
Motor
D.
None
The neurons not involved in reflex ac ons A.
Sensory
C.
Associa ve
✓
Biceps and triceps are
✓
A.
Antagonists
B.
Synergists
C.
An parallel
D.
None of these
Appendages are beneath the body
✓ Q.619
Page 38
A.
Amphibians
B.
Rep les
C.
Mammals
D.
All of these
B.
Na+influx
D.
All of these
Depolariza on is caused by A.
K+influx
C.
Na+efflux
The joints between vertebrae is of which type A.
Hyaline car laginous
C.
Synovial joint
✓ ✓
B.
Fibrous car laginous
D.
None of these
The lymph vessels are enter directly into
✓
A.
Blood
B.
Liver
C.
Heart
D.
Spleen
Pressure flow theory is the most acceptable theory for the transport in the phloem of:
✓
A.
Angiosperms
B.
Gymnosperms
C.
Ferns
D.
Mosses
Increasing level of insulin in the blood
✓
A.
Increases glucose consump on
B.
Decreases glucose consump on
C.
Glucose metabolism increases
D.
More ATP are produced
A large amount of nitrogenous wastes in animals is produced by the metabolism of:
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Pyrimidines
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Amino acids
B.
Isomorphic
C.
Heteromorphic
D.
Eumorphic
B.
Red light
D.
Orange light
A.
Blue light
C.
Yellow light
✓
A.
Eggs
B.
Zooids
C.
Sperms
D.
Seeds
A.
2 capillary beds
B.
2 arterioles
C.
one set of arteriole
D.
Both b & c
Which of the following is not found in upper limb?
✓
A.
Patella
B.
Humerus
C.
Radius
D.
Carpels
B.
Secreted by ectoderm
D.
Internal to muscles
Which one is not related with exoskeleton: A.
Inert and non-living
C.
Epicu cle and procu cle
✓
An gen or immunogen is a foreign substance o en a protein, which s mulates the forma on of: A.
An sep cs
C.
An sera
B.
An coagulants
D.
An bodies
B.
Organic acids
✓
D.
All
✓
B.
Homeostasis
D.
Isotonic condi ons
✓
Inside of the neuronal membrane is -vely charged because of Proteins Cl
-
Defined quan ty of water in cell is maintained by A.
Osmolegula on
C.
Hypotonic condi ons
Which one of the following animals has hydrosta c skeleton:
✓
A.
Earthworm
B.
Star fish
C.
Bird
D.
Snake
Pivot type joint is present between
✓
A.
Radius, ulna & humerus
B.
Ulna & carpals
C.
Radius & carpals
D.
Carpals and phalanges
The process of embryonic development which most closely follows a er fer liza on is A.
Cleavage
B.
Metamorphosis
C.
Blastula on
D.
Gastrula on
Ligament & tendon
✓ Q.638
D.
Flow through single nephron is represented by
✓ Q.637
Purines and Pyrimidines
Homomorphic
C.
Q.634
B.
A.
A. Q.633
✓
The sperma ds differen ate into mature:
✓ Q.629
C.
P 660 is converted to ac ve P 730 by the absorp on of:
✓ Q.628
Purines
If the two genera ons of plant are vegeta vely dissimilar it is called:
✓ Q.626
A.
Page 39
A.
Both are inelas c
B.
Both are elas c
C.
Elas c, inelas c respec vely
D.
Inelas c, elas c respec vely
Which muscles evolved 1st A.
Cardiac
C.
Skeletal
✓
B.
Smooth
D.
None
-------cells supply ATP and proteins to sieve tubes.
✓
A.
Companion
B.
Epidermal
C.
Tracheid
D.
Vessel
B.
Contrac on of longitudinal muscles
D.
None of these
Peristalsis is created by A.
Contrac on of circular muscles
C.
Contrac on of both longitudinal muscles
✓
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Which one of the following is the bone of the forelimb:
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Q.648
C.
Ethmoid
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Femur Distal convoluted tubule
C.
Thick limb of loop of Henle
D.
Descending loop of Henle
A.
Thermoregula on
B.
Homeostasis
C.
Osmoregula on
D.
All of them
B.
Secondary xylem
D.
Vascular ssues
B.
Two
D.
Four
B.
120mm Hg
D.
80mm of Hg
A.
Secondary phloem
C.
Secondary cortex
Heart beat involves_________ dis nct stages. A.
One
C.
Three
Systolic pressure in normal individuals is A.
60mm of Hg
C.
30mm of Hg
✓ ✓ ✓
Inorganic ions and salts make up percent of plasma A.
55%
C.
45%
✓
B.
5 - 7%
D.
0.9%
B.
Mammalian
D.
All of these
What kind of kidney is adapted to conserve 99.5% water Human Metanephric
✓
Thalassaemia is also called:
✓
A.
Cooley's anaemia
B.
Thomas's anaemia
C.
Peter's anaemia
D.
Mendel's anaemia
Very high environmental temperature that cause closure of stomata: A.
10-15 C
C.
30-35 C
✓
B.
20-25 C
D.
40-45 C
Demen a is sign of A.
Parkinson
B.
Epilepsy
C.
Alzheimer
D.
All of these
The follicle cells, a er release of the egg, are modified to form a special structure called:
✓
A.
Corpus luteum
B.
Fallpain tube
C.
Corpus callosum
D.
Corpus res formia
The animals do not require ac vely to adjust their internal environment is known as A.
Osmoregulators
C.
Anhydrobiosis
Rich source of energy in semen is A.
Glucose
C.
Lactose
✓ ✓
B.
Osmoconformers
D.
All of these
B.
Fructose
D.
Sucrose
The oviduct is generally called:
✓ Q.656
D. B.
Which of the following is called wood:
✓ Q.652
Rachivs, ulna
Proximal convoluted
C.
Q.650
B.
A.
A. Q.649
✓
The regula on of amount of water and solutes in the body is termed as:
✓ Q.644
Tarsals
Reabsorp on of water takes place in all segments except
✓ Q.643
A.
Page 40
A.
Fallopian tube
B.
Uterine tube
C.
Both a & b
D.
None
Menstrua on usually lasts for:
✓
A.
3 - 7 days
B.
2 - 5 days
C.
1 - 3 days
D.
5 - 7 days
Which of the following veins does not drain into inferior vena cava? A.
Iliac veins
B.
Hepa c portal vein
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C.
Page 41
Subclavian vein
D.
Renal veins
Q.658
Which of the following is the characteris c of the lympha c system: A. The system which transport material between ✓ B. The system which transport material two blood vessels between the ssues C. The system which transport material between D. None of the above the ssues and blood
Q.659
Tac c movement are movement of:
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✓
En re organism
B.
Only leaves
C.
Only stem
D.
Only roots
In the embryonic life, RBC are formed in the liver and:
✓
A.
Spleen
B.
Kidney
C.
Stomach
D.
Tes s
The oviducts
✓
A.
Lead from the ovary to uterus
B.
Lead from uterus to exterior
C.
Surrounds the uterus
D.
Lie outside the abdomen
Genital Herpes is caused by a herpes simply type 2 virus, most frequently transmi ed by sexual contact causing infec on of the:
✓ Q.663
A.
A.
Ovaries
B.
Brain
C.
Genitalia
D.
Liver
Which provide more protec on to their young ones A. C.
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Q.668
Q.669
Q.670
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Oviparous animals
Which is similar to vomi ng? A.
Peristalsis
C.
Dialysis
B.
Birds
✓
D.
Mammals
✓
B.
An peristalsis
D.
Both a & b
B.
Temperature
D.
All of these
Which of the following affects oxygen absorp on? A.
CO2
C.
pH
✓
The voice of lubb is produced during the contrac on of heart when:
✓ Q.667
Amphibians
A.
Tricuspid valve is closed
B.
Bicuspid valve is closed
C.
Both tricuspid and bicuspid are closed
D.
Semilunar valves is closed
Ilium, ischium and pubis fuse to form
✓
A.
Coxal bone
B.
Beauty bone
C.
Breast bone
D.
Both a & b
Oxygen absorbed & transported in human at sea level is (100% satura on) A.
120ml / 15ml
C.
50ml / 100ml
✓
B.
100ml / 100ml
D.
20ml / 100ml
B.
Bony fish
D.
Rep les
Ventricle is incompletely divided in: A.
Amphibians
C.
Car laginous fish
✓
During menstrual cycle, the reduc on of progesterone level s mulates the pituitary gland to produce: A.
Insulin
C.
Vasopressin
✓
B.
Glucagon
D.
Oxytocin
B.
Fat metabolic processes
D.
All of these
Which one of the main func on is carried out by the liver ? A.
Synthesis of plasma protein
C.
Storage of vitamin A
✓
The animals in which development of embryo is accomplished inside the female body and give birth to young one are called: A.
Ovoviviparous
C.
Oviparous
✓
B.
Viviparous
D.
Euviviparous
B.
Endoskeleton
Sea anemone has: A.
Exoskeleton
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A.
Pituitary
C.
Posterior lobe of pituitary
✓
D.
No skeleton
B.
Anterior lobe of pituitary
D.
Median lobe of pituitary
The volume of dry seed may increase up to 200 mes by: A.
Diffusion
B.
Osmosis
C.
Imbibi on
D.
ac ve transport
B.
They are used in hypertension
✓
D.
They are used in heart failure
✓
B.
Aorta
D.
All
B.
Cactus
D.
Brassica
Which is not true about diure cs A.
They increase urine volume
C.
They decrease water Reabsorp on
Rate of flow of blood is 400 - 500 mm/s in: A.
Vena cava
C.
Capillaries
Which of the following plant is not a mesophyte? A.
Rose
C.
Mango
✓
In the respira on process, which one of the following releases more energy A.
Oxida on of pyruvate to lactate
C.
Reduc on of pyruvate to CO2and water
✓
B.
Oxida on of pyruvate to CO2and water
D.
Reduc on of pyruvate to lactae
The blood cells which stay from 10-20 hours in the blood are: A.
Neutrophils
C.
Basophils
During birth which is s mulus for progesterone inhibi on A.
Maternal ACTH
C.
Foetal cor costeroids
✓ ✓
B.
Monocytes
D.
Lymphocytes
B.
Foetal ACTH
D.
FSH + LH
Fer liza on occurs when:
✓ Q.683
Hydrosta c skeleton
Which is called as master gland
✓ Q.676
C.
Page 42
A.
Spermatozoa are deposited in the vagina
B.
An ovum is carried to uterus
C.
A spermatozoal unites with an ovum
D.
An embryo is embedded in the uterus
B.
Cervix
D.
Cervelat
Uterus opens into the vagina through: A.
Neck
C.
Corvine
✓
In females a cubic millimetre of blood contains 4-4 1/2 millions of: A.
Neutrophils
C.
Platelets
✓
B.
Monocytes
D.
Erythrocytes
Hunger contrac ons are peristal c movements caused due to
✓
A.
Low glucose level
B.
Low cholesterol in the blood
C.
Low enzyma c ac vity in the blood
D.
All of these
B.
Cilia
D.
Parapodia
Paramecium moves by means of: A.
Flagellum
C.
Pseudopodia
✓
Cardiac muscles have branching system of cells, in which the successive cells are separated by specialized dual junc ons called: A.
Intervertebral discs
C.
Internodes
✓
B.
Intercalated discs
D.
Schwan cells
Each heart chamber of cockroach has a pair of lateral openings, called: A.
Osculum
C.
Apertures
✓
B.
Os a
D.
Orifice
B.
Iden cal twins
D.
All a, b, c
Common method of asecual reporduc on are: A.
Tissue culturing
C.
Cloning
✓
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Which inhibits menstrua on A.
LH
C.
Prolac n
Page 43 ✓
B.
Progesterone
D.
All
The shrinkage of protoplast, due to exosmosis of water is called: A.
Deplasmolysis
C.
Incipient plasmolysis
✓
B.
Plasmolysis
D.
Both
It is auto immune disorder A.
Gouty arthri s
C.
Osteoporosis
✓
B.
Osteoarthri s
D.
Rheumatoid arthri s
There are _______ sites of diges on in humans
✓
A.
3
B.
6
C.
8
D.
2
Q.694
Which of the following is not the reason of the extracellular oedema: A. Abnormal leakage of fluid form the blood ✓ B. Abnormal movement of fluid form the capillaries outside of body D. The lympha c system fail to bring back fluid C. The renal (kidney) reten on of salts and water form the inters al fluid
Q.695
Iden fy the enzyme that a aches phosphate to sugar molecule
Q.696
A.
Carboxylase
C.
Transferase
Q.698
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Q.703
✓
Q.705
Phosphorylase
D.
Phospholipid
A.
H+ Na
+
B.
K+
D.
Cl
Each tes s consists of a highly complex duct system called:
✓
A.
Seminiferous tubules
B.
Inters
al tubules
C.
Malpighian tubules
D.
Renal tubules
B.
2 parts
D.
4 parts
The heat of fish consists of: A.
1 part
C.
3 parts
✓
Reproduc on is very important to survival of:
✓
A.
Species
B.
Individual
C.
Popula on
D.
Both a and b
Organisms produced from a single cell by sub-culturing (cloning) are called: A.
Iden cal twins
C.
Similar
An peristalsis A. Is the forward movement for food into the alimentary canal C. Is the forward/reverse movement for food into the alimentary canal Thin filament in myofibrils consists of:
✓
✓ ✓
B.
Clones
D.
None of these
B. D.
Is the reverse movement for food into the alimentary canal None of these
A.
Ac n, tropomyosin, troponin
B.
Z - line
C.
Myosin
D.
Sarcomere
The disease which means the presence of excess fluid in the ssues of the body is:
✓ Q.704
B.
Secre on of which ion occurs in collec ng duct C.
Q.697
✓
A.
Thalassemia
B.
Obesity
C.
Oedema
D.
Cyanosis
The animals which lay shelled eggs are called: A.
Viviparous
C.
Metatherians
✓
B.
Ovoviviparous
D.
Oviparous
B.
Osteoblasts
D.
Osteocytes
Which are mature bone cells? A.
Ostrogenic cell
C.
Osteoclasts
✓
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It comes with onset of puberty
✓
Q.712
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Bulimia Nervosa
C.
Ulcer
D.
Both a and b
B.
Afferent arteriole
D.
None of these
B.
Inters
D.
Both a & b
A.
Efferent arteriole
C.
Peritubular Capillaries
✓
A.
Blood
C.
Plasma
✓
al fluid
A.
Acetylcholine
C.
Chloride ion
✓
B.
Calcium ion
D.
Iron
Long trubule of nephridium is for A.
Filtra on and Reabsorp on
B.
Filtra on and secre on
C.
Reabsorp on and secre on
D.
All of these
One complete heart beat lasts for about:
✓
A.
0.8 seconds
B.
0.4 seconds
C.
0.16 seconds
D.
0.2 seconds
Heart pumps the blood to different parts of the body via: A.
Superior Vena cava
B.
Inferior vena cava
C.
Aorta and arteries
D.
All a, b, c
B.
Myglobin
D.
Cetaceans
B.
Globulin
D.
Myosin
_____________ which stores oxygen A.
Haemoglobin
C.
Biliglobin
✓
Which of following is not plasma protein A.
Albumin
C.
Prothrombin
✓
Animal which remain fixed to a place throughout their life are called:
✓
A.
Sessile
B.
Mo le
C.
Radial
D.
Bilateral
From beginning of the third month of pregnancy the human embryo is referred to as:
✓
A.
Foetus
B.
Placenta
C.
Neonate
D.
Young one
%age of nitrogen in exhaled air A.
21%
B.
70%
C.
79%
D.
4%
One cubic millimeter of blood contain ______________ white blood cells:
✓ Q.719
B.
The contrac on of striated muscle is ini ated by release of energy in the presence of:
✓ Q.718
Anorexia nervosa
The lymph mostly closely resembles with:
✓ Q.713
A.
In glomerulus blood arrives through
✓ Q.711
Page 44
A.
4000 - 5000
B.
6000 - 7000
C.
7000 - 8000
D.
8000 - 9000
Which phenomenon was discovered by Garner and Allard in 1920. A.
Vernalisa on
C.
Photomorphogenesis
✓
B.
Photoperiodism
D.
Apical dominance
There are three types of nutrient needed by the plants, viz. carbon dioxide, water and:
✓
A.
Minerals
B.
Ions
C.
Metals
D.
Oxygen
Capillaries are blood vessels with walls that are only:
✓
A.
One cell thick
B.
Two cell thick
C.
Four cell thick
D.
Eight cell thick
B.
Buds and seed dormancy
In plant, photoperiod and temperature affect: A.
Flowering
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Doudenum of small intes ne is started a er the opening of
Q.726
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Q.731
Cardiac sphincter
C.
Cecum
Q.734
✓
Q.738
D.
None of these
Parthenon Fruit
C.
Parthenocarpy
D.
Parhenoseed
A.
Cranium
B.
Skull
C.
Orbits
D.
All of these
A.
Coordinater
C.
Regulator
✓
B.
Effector
D.
Impulse
Excep onally the posi ve hydrosta c pressure generated by root pressure is about? A.
600 KPa
C.
1000 Kpa
✓
B.
800 Kpa
D.
900 Kpa
Which one is strongest bone of face A.
Sphenoid
B.
Pala ne
C.
Mandible
D.
Maxilla
Discharge of blood and cell debris through vagina is called:
✓
A.
Menstrua on
B.
Menopause
C.
Oestrous
D.
Heat
Red blood cells are formed principally in the red bone narrow of short bones, such as: A.
Sternum
C.
Vertebrae
✓
B.
Ribs
D.
All a, b, c
B.
Vitamin B
D.
Vitamin K
In large intes ne bacteria synthesize some vitamins especially Vitamin A Vitamin E
✓
Improvement of hygiene, use of food so eners & laxa ves are measures against
✓
A.
Piles
B.
Anorexia nervosa
C.
Obesity
D.
Dyspepsia
In living system, there is a set point in the temperature regulated or:
✓
A.
Endothermic animals
B.
Heterohtermic animals
C.
Ectothermic animals
D.
poikilothermic animals
The pH of human urine is A.
4 - 4.1
B.
4.2 - 4.5
C.
6-7
D.
4.5 - 805
B.
Eosinophils
D.
All a, b, c
Granulocytes include: C.
Q.737
Pyrolic sphincter
B.
A. Q.736
B.
There are three components for the control system in a living organism to maintain homeosta c balance which are receptors, control center and:
✓ Q.735
✓
Parthenogenesis
C.
Q.733
All a, b, c
A.
A. Q.732
D.
Brain is protected by:
✓ Q.729
A.
✓
In some cases fruit development proceeds without fer liza on and thus no seed forma on. Such development is called:
✓ Q.725
Fruit and seed produc ons
Page 45
Neutrophils Basophils
✓
The condi on which causes narrowing and hardening of arteries is:
✓
A.
Atherosclerosis
B.
Necrosis
C.
Sclerosis
D.
Atrosclerosis
Most of the minerals enter the root hairs or epidermal cells of roots along with water in: A.
Mass flow
C.
Hulk flow
✓
B.
Bulk flow
D.
Volume flow
The response to light intensity and quality leads to the discovery of a blue light sensi ve protein pigments, the: A.
Phytoproteins
✓
B.
Phytochromes
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A.
It is caused by fusion of vertebrae
C.
It results in enlargement if vertebrae
Q.744
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✓
Q.748
Q.750
✓
Q.752
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✓
D.
All of these
A.
Aldosterone
B.
ADH
C.
FSLH
D.
All of these
Erythrocytes Leucocytes
A.
Hydro-poten al
C.
Solute poten al
✓
B.
Platelets
D.
Monocytes
✓
B.
Osmo c poten al
D.
Both b & c
A.
0.1 to 0.5μ
B.
0.3 to 0.8 mm
C.
0.3 to 0.8μ
D.
0.3 to 0.8 mm
Diaphragm is a sheet of A.
Smooth muscles
C.
Cardiac
✓
B.
Skeletal
D.
Connec ve ssues
Mammals which give birth to young ones are called: A.
Viviparous
B.
Ovoviviparous
C.
Metatherians
D.
Uterus
Which one is correct for disc - slip? A.
Fusion of vertebra joint
B.
Scia c nerve
C.
Herniated disc
D.
Degenera ve disease
Cocklebur (Xanthium), chrysanthemum, soybean, tobacco, strawberry are examples of:
✓
A.
Short day plants
B.
Long day plants
C.
Day neutral plants
D.
None
Cholesterol serves as precursor of; A.
Protein hormones
B.
Adenoid hormones
C.
Steroid hormones
D.
Glucoid hormones
95% of the cytoplasm of red blood cells is the red pigment called: A.
Myoglobin
C.
Immunoglobulin
✓
B.
Haemoglobin
D.
Globulin
Which of followings is most likely destroyed by phagcytes
✓ Q.751
It is due to disc slip
The diameter of cilia ranges from:
✓ Q.749
B.
A measure of the change in water poten al of a system due to the presence of solute molecules is called:
✓ Q.747
Photons
A with substance called pus is produced at infec on sites due to killing of:
✓ Q.746
D.
Sodium ions in the loop of Henley is promoted by the ac on of
C.
Q.743
Photochromes
Which is true for spondylosis
A. Q.742
Page 46
A.
An gens
B.
An bodies
C.
An gen an body complex
D.
All of these
B.
Tendon
✓
D.
Belly
✓
B.
Basophils
D.
All
B.
Proteins
D.
Lipo protein
B.
Duodenum
D.
Caesum
The part of muscle between origin and inser on is: A.
Ligament
C.
Capsule
Which cell will secret heparin A.
Neutrophils
C.
Eosinophils
Surfactant is mainly composed of A.
Lipids
C.
Carbohydrates
✓
Appendix is the extension of which part? A.
Heum
C.
Colon
✓
In embryonic life RBCs are produced in
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D.
Skin
B.
Nega ve feedback
D.
None of these
A.
Posi ve feedback
C.
Precursor ac va on
✓
A.
Transpira on
B.
Transloca on
C.
Growth
D.
Absorp on
A.
External gene lia
B.
Male reproduc ve organ
C.
Both a & b
D.
None
A.
Cowper's
B.
Seminal vesicle
C.
Prostate
D.
All of these
A.
Amygdala
B.
Hippocampus
C.
Hypothalamus
D.
Corpus callosum
A.
Diastole
B.
Ventricular systole
C.
Atrial systole
D.
Atrial diastole
Which is not lined by mucous membrane A.
Glo s
C.
Nasal cavity
✓
B.
Pharynx
D.
None of these
B.
Pteridophytes
D.
Angiosperms
Double fer liza on is the characteris c in: A.
Bryophytes
C.
Gymnosperms
✓
At the base of the pulmonary artery, valves present are: A.
Bicuspid
B.
Tricuspid
C.
Semilunar
D.
Sino-atrial
The biological clock once s mulated causes produc on of florigen hormone in leaves, which travel through phloem to the floral buds, ini a ng: A.
Frui ng
C.
Leaf shedding
✓
B.
Leaf forma on
D.
Flowering
Calcitriol helps in A.
Decrease Ca2+ion
B.
Ca2+ elimina
on via urine
C.
Removal Ca2+from bone
D.
Bone forma on
Oogonia divide mito cally to form:
✓
A.
Primary oocytes
B.
Secondary oocytes
C.
Primary spermatozoids
D.
Secondary spermatozoids
Where does the aldosterone act
✓ Q.769
Kidney and liver
Blood passes through tricuspid & bicuspid valves during which phase
✓ Q.767
C.
The part of brain that controls sexual arousal
✓ Q.765
Bone marrow
Sperm is kept neutralized by ________ gland?
✓ Q.762
B.
Human male reproduc ve system consists of:
✓ Q.761
Liver and spleen
Xerophytes have the adaptaions for reduced rate of:
✓ Q.760
A.
Most of the homeostasis is maintained by means of
✓ Q.759
Page 47
A.
Proximal tubule
B.
Distal tubule
C.
Ascending or thick limb
D.
Collec ng duct
The embryo normally develops in the:
✓
A.
Uterus
B.
Pacenta
C.
Urethra
D.
Fallopian tube
The right atrium receives deoxygenated blood from the body via:
✓
A.
Vena cava
B.
Aorta
C.
Pulmonary trunk
D.
Both a & b
B.
Epididymis
ICSH acts on A.
Sertoli cells
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Ovula on is induced by:
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Q.777
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Q.780
Q.781
Q.782
Q.783
Q.784
Q.786
Q.787
C.
LTH
D.
Inters
✓
B.
LH
D.
Progesterone
al cells
A.
Ovoviviparous
B.
Viviparous
C.
Oviparous
D.
Euviviparous
B.
Plasma
D.
Urine
B.
Thrombus
D.
Fibrinogen
B.
150,000
D.
250,000
A.
Blood
C.
Inters
✓
al fluid
A solid mass or plug or blood cons tuents is called: A.
Thrombin
C.
Prothrombin
✓
The number of platelets per cubic millimetre of blood is about: A.
100,000
C.
200,000
✓
Which process is concerned with pH maintenance of urine and blood A.
Filtra on
B.
Reabsorp on
C.
Secre on
D.
All of these
B.
Anterior hypophysis
D.
Hypothalamus
Oxytocin is produced in A.
Posterior hypophysis
C.
Pars media
✓
The close circulator system is more efficient than the open circulatory system because is shows: A.
Rapid movement in body
C.
It does not come is contact
✓
B.
Rapid exchange of materiald
D.
Economy of food
B.
Ca-phosphate
D.
Cholesterot
Which type of kidney stones forma on is 15% in occurrence A.
Ca-oxalates
C.
Uric acid
✓
Which of the following func on is not performed by blood vascular system of the cockroach: A.
Transport of nutrients
C.
Transport of waste material
✓
B.
Transport of gases
D.
Transport of water
The heart of fishes works as a:
✓
A.
Single circuit heart
B.
Double circuit heart
C.
Both a & b
D.
None
B.
2 months
D.
4 months
Life span of RBCs is A.
One month
C.
3 months
✓
In man no. of facial bones is
✓ Q.785
FSH
Lymph closely resemble with
✓ Q.778
A.
✓
The animals which lay shelled eggs to protect the developing embryo from harsh terrestrial condi ons are called:
✓ Q.774
Seminiferous tubules
Page 48
A.
10
B.
12
C.
14
D.
16
Brain and spinal cord are protected by a specific sheath that is known as A.
Cerebrospinal fluid
C.
Hypothalamus layer
✓
B.
Meninges
D.
None of these
Which provides energy for explosive ac vity such as sudden short sprints A.
ATP
C.
Fermenta on
✓
B.
Glycolysis
D.
Phospocrea ne
The movement of water molecules from a region of higher water poten al to a region of lower water poten al through a par ally permeable membrane is called: A.
Diffusion
C.
Imbibi on
✓
B.
Osmosis
D.
Ac ve transport
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An important role in body's defences against disease is played:
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Ovaries
C.
Seminal vesicles
A.
Gastrin
C.
Pepsin
✓
D.
Both a & b
✓
B.
Testes
D.
Uterus
✓
B.
Pepsinogen
D.
None of these
A.
3 - 7 days
B.
30 - 32 days
C.
28 days
D.
280 days
B.
Stomatal
D.
None
A.
Cu cular
C.
Len cular
✓
D.
Ventricles have poore
At the base of aorta, first pair of arteries, the coronary arteries, arise, and supply blood to the:
✓
A.
Heart
B.
Shoulder
C.
Neck
D.
Face
Which of following act as effectors A.
Muscles
B.
Glands
C.
Both A&B
D.
None
The weight of blood in our body is about _______ of our body A.
1/4
B.
1/10
C.
1/12
D.
1/16
B.
Axons
D.
Synapse
Which of the following is the integra on centre in neurons ? A.
Ion channel
C.
Dendrites
✓
A mechanism that produces new genera on and maintains a species: A.
Evolu on
C.
Regenera on
Mestrual cycle begins A.
At the end of menstrua on
C.
At the mid of menstrua ons
✓ ✓
B.
Reproduc on
D.
Development
B.
At the beginning of menstrua on
D.
At prolifera on
Respiratory distress syndrome occurs in A.
Adults
B.
Childs
C.
Premature infants
D.
All of these
B.
Liquid medium to sperms
D.
All of these
Sertoli cells provide A.
Protec on to sperms
C.
Norishment to sperms
✓
Over _______ of glomerular filtrate is reabsorbed in proximal tubule
✓ Q.803
A.
An bodies
The ventricle of the crocodiles are completely por oned btu in rep les there is mixing of oxygenated deoxygenated blood take place in it because: A. The membrane between the ventricles is very B. The ventral aorta is undivided thin C. The dorsal aorta is undivided
✓ Q.801
An gens
90% of total transpira on is:
✓ Q.797
C.
B.
Human menstrual cycle repeats a er:
✓ Q.796
Immunoglobulins
The gastric gland produces
✓ Q.794
A.
Male gonads are called:
✓ Q.792
Page 49
A.
70%
B.
40%
C.
80%
D.
30%
B.
28 weeks
D.
280 days
Total gesta on period in humans is A. C.
28 days 280 weeks
✓
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The average life span or RBC is about: A.
6 months
C.
One year
A.
Ini al
C.
Embryonic
Q.815
Q.816
Q.817
Q.818
Q.819
Early
B.
Glycogenosis
Gluconeogenesis
D.
Glycogenolysis
B.
Radius
D.
Patella
Fibula Ulna
✓
A.
Porous wall of glomerulus
B.
Concentra on difference
C.
Blood pressure
D.
Blood volume
B.
Bees
D.
All a, b, c
A.
Ants
C.
Wasps
✓
Thermonasty is due to: A.
Light
B.
Gravity
C.
Temperature
D.
Water
B.
Gonadotrophin
D.
Luteotropic hormone
During pregnancy pituitary gland produces: Somatotropin Oxytocin
✓
Which of the following is not related to collenchyma cells: A.
lack lignin
B.
Lack secondary walls
C.
Angular thick kening
D.
None elas c
Some platyhelminthes, like Planaria reproduce asexually through the division of their bodies into:
✓
A.
Two halves
B.
Three segment
C.
Four segment
D.
Five parts
In rep les the pulmonary trunk starts on right side of ventricle from a pocket the:
✓
A.
Cavum pulmonale
B.
Cavum arteriole
C.
Cavum venosum
D.
Cavum systemica
B.
Secre n
D.
All
B.
3
D.
1
Duodenum secretes A.
Gastrin
C.
Pancrea c juice
✓
How many Haem groups are present in one molecule of Hb? A.
4
C.
2
✓
The union of meio cally produced specialized sex cells each parents produce:
✓
A.
Fer lized egg
B.
Unfer lized egg
C.
Zygote
D.
Both a & c
Which one of the following is correct for birds? A.
Highly ossified skeleton
C.
Fins
✓
B.
Sim bladder
D.
Feathers
In hunm the hear best lasts for:
✓ Q.820
D.
Parthenogenesis occurs in:
✓
Q.814
Incipient
Glycolysis
C.
Q.813
B.
C.
A. Q.812
✓
Who provides the filtra on pressure?
✓ Q.811
4 months
The small bone is front of knee joint is:
✓
Q.810
D.
A.
C.
Q.809
8 Months
Conversion of non-carbohydrates into carbohydrates is known as
A. Q.808
✓
B.
The point at which plasmolysis is just about to happen is called---plasmolysis.
✓ Q.807
Page 50
A.
18 seconds
B.
8 seconds
C.
0.8 seconds
D.
1.8 seconds
B.
T-lymphocytes
An bodies are manufactured in:
✓
A.
B-lympocytes
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✓
B.
Hypothalamus
C.
Re cular forma on
D.
Medulla
A.
Blood plasma
C.
Lymphocytes
Q.836
W.B.C Medulla
C.
Cerebrum
D.
Corpus callosum
✓
B. D.
Decrease the level of blood glucose Promotes the conversion of glycogen to glucose
✓
B.
Hydrolysis
D.
Assimila on
B.
Uncontrolled produc on of WBC
D.
Cancerous growth of body cells
B.
Mussel
D.
Star fish
A.
Help excrete glucose through urine
C.
Slow down the conversion glycogen
A.
Dehydra on synthesis
C.
Absorp on
Which of the following is leukaemia: A.
Uncontrolled produc on of RBC
C.
Uncontrolled produc on of platelets
✓
Tuba feet are organ of locomo on in: A.
Snail
C.
Cockroach
✓
The thalassaemia is also called A.
Blood cancer
B.
Leuceaemia
C.
Cooley's anemia
D.
Oedema
Which of following is included in physical barriers A.
Skin
B.
Mucous membrane
C.
Both of these
D.
None of these
During gamete produc on in human female, the cell which under goes reduc on divisions (meiosis) eventually produces ________ func onal egg(s) A.
4
B.
8
C.
1
D.
Around 100
External genitalia of human male consist of a pair of testes which lie outside the body, in the sac like: A.
Pouch
B.
Marsupium
C.
Scrotum
D.
Bag
B.
Eggs
D.
Gametes
Fer liza on is the process which leads to union of: Individuals Sperms
✓
The environment where animals produce large volumes of diluted urine is the :
✓
Q.835
R.B.C
B.
C.
Q.834
B. D.
Cerebellum
A. Q.833
✓
A.
Another term for diges on
✓ Q.832
Amygdala
Glucagon lends to
✓ Q.831
G-lymphocytes
Sensory, motor and associa ve areas are found in
✓ Q.830
D.
A.
Carbonic anhydrase is present in
✓ Q.829
C-lymphocytes
Centre for the expression of fear and rage is
✓ Q.824
Page 51
A.
Terrestrial
B.
Hypertonic aqua c
C.
Hypotonic aqua c
D.
Isotonic aqua c
Most of the Na, K, Cl, bicarbonate, glucose,amino acids etc are reabsorbed in
✓
A.
Proximal tubule
B.
Distal tubule
C.
Ascending limb
D.
Loop of Henle
Most suscep ble component of internal environment is A.
Water
C.
Solutes
Salivary glands is the group of A. Paro d gland, pituitary gland and submandibular gland
B.
Temperature
✓
D.
All of these
✓
B.
Paro d gland, sublingual gland and submandibular gland
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Q.838
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A.
70%
C.
10%
Q.849
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Q.853
✓
D.
0%
B.
4
6
D.
8
B.
2 - 3 months
D.
4 - 5 months
A.
One months
C.
3 - 4 months
✓
The cells which are involved in bone resorp on A.
Osteocytes
B.
Osteogenic cells
C.
Osteoclasts
D.
Osteoblasts
In hydra ectodermal calles get food form endodermal cells by: A.
Endocytosis
B.
Exocytosis
C.
Both (a) and (b)
D.
Diffusion
A reproduc ve cycle found in all female mammals except human is:
✓
A.
Oestrous cycle
B.
Menstrual cycle
C.
Ovarian cycle
D.
Uterine cycle
B.
Gastric juice
D.
Bile
B.
Addi on
D.
Myxoedema
Which contains no enzyme A.
Saliva
C.
Intes nal juice
✓
Puffiness of skin is caused in A.
Cre nism
C.
Cushing
✓
Fresh saliva has a PH of
✓
A.
8
B.
6
C.
4
D.
2
Biennial and perennial plants are s mulated to flower by exposure to low temperature. This is called: Photoperiodism Chilling
Carbohydrates are digested by enzyma c ac vity of A.
Ptyalin and pepsin
C.
Pepsin and amylase
B.
Florigena on
✓
D.
Vernaliza on
✓
B.
Ptyalin and amylase
D.
None of these
The fishes which drink large amount of sea water and excete concentrated urine are the:
✓
A.
Bony fishes
B.
Jewless fishes
C.
Car laginous fishes
D.
Lobe-finned fishes
The membrane of vacuole is called: A.
Protoplast
C.
Sarcolemma
Myosin filaments releases calcium ions during A.
Sarcolemma secre on
C.
Synapse forma on
✓ ✓
B.
Tonoplast
D.
Plasma lemma
B.
Ac on poten al in muscle fiber
D.
None of these
Most major organs are formed by ___________ week of pregnancy
✓ Q.852
15%
2
C.
Q.848
B.
C.
A. Q.847
All of these
A.
Complete bone healing me is about
✓ Q.842
D.
Each myosin filament is surrounded by how many ac n filaments
✓ Q.841
Pituitary gland and submandibular gland
Incidence of calcium carbonate kind of stones
✓ Q.839
Page 52
A.
8th
B.
10th
C.
12th
D.
20th
B.
Neurotransmi ers
D.
All
A nerve impulse is passed from one to other neuron by A.
Jumping movements
C.
Hormones
✓
Which of following cannot cross the intercellular space of capillary wall
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✓
Q.861
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Q.864
✓
Q.866
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Q.868
Q.869
Large proteins
D.
All of these
A.
Chyme
B.
Mucous
C.
Pepsin
D.
Gastric juice
A.
Foetus
B.
Mother
C.
Environment
D.
All of these
A.
ATP
B.
ADP
C.
AMP
D.
GTP
Which of the following is not related to sclerenchyma cells: A.
Thick secondary cell walls
B.
Presence of lignin
C.
Mostly living
D.
Provide support
The rate of transpira on doubles by every rise of --------in temperature A.
5°C
C.
20°C
✓
B.
10°C
D.
15°C
If pressure greater than atmospheric pressure is applied to pure water or a solu on, its water poten al: A.
Decreases
B.
Remains the same
C.
Increases
D.
None
In ssue culturing technique in plants, cambium ssue excised from plants, could be s mulated by the addi on of: A.
Nutrients
C.
IAA
✓
B.
Cytokinins
D.
All a, b, c
How many bones are found in forelimb beyond elbow
✓
A.
27
B.
28
C.
29
D.
30
B.
Paratonic
D.
Sensory
Which could be called afferent nerves A.
Autonomic
C.
Sympathe c
✓
The leaves in which the stomata are present in both upper and lower epidermis are called:
✓
A.
Isobilateral
B.
Dorsolateral
C.
Ventrolateral
D.
Bilateral
Two cerebal hemispheres communicate with each other by
✓ Q.865
RBCs
B.
Extrac on & conserva on of energy from food molecules during cellular respira on is in the form of
✓ Q.860
✓
Process of birth is ini ated by
✓ Q.858
Platelets
Inac ve form of pepsinogen is called
✓ Q.855
Page 53
A.
Infundibulum
B.
Stalk
C.
Corpus callosum
D.
Corpus cavernosum
T-tubules of muscle fiber are formed by _______ of scroll emma: A.
Outgrowth
C.
Degenera on
Between the seminiferous tubules are inters A.
Oestrogen
C.
Progesterone
✓
B.
Invagina on
D.
Thickening
al cells which secrete:
✓
B.
Testosterone
D.
Oxytocin
Sacks in 1874 suggest that the water molecules move along the cell walls of xylem vessels due to: A.
Diffusion
C.
Osmosis
✓
B.
Imbibi on
D.
Ac ve transport
Corpus Iuteum is responsible for the produc on of
✓
A.
Progesterone
B.
FSH
C.
LH
D.
Lactogenic hormone
It has been es mated that a posi ve hydrosta c pressure of around 100 to 200 kPa is generated by: A.
Transpira on
C.
Gu a on
✓
B.
Root pressure
D.
Evapora on
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High circula ng calcium in the blood specifically causes
✓
Q.873
Q.874
Q.875
Q.876
Q.877
A.
Hypeercalcemia
B.
Hyperoxaluria
C.
Kidney stones
D.
None of these
Phytochromes exist in two forms:
✓ Q.872
A.
P 660 and P 530
B.
P 630 and P 730
C.
P 660 and P 730
D.
P 460 and P 730
The ovary:
✓
A.
Is made up mainly of follicles
B.
Has many fibrous compartments
C.
Produces nutrients for spermatozoa
D.
Is made up of paired muscular tubes
B.
Dissolved in blood plasma
D.
None of these
Haemoglobin is present in earthworm A.
In R.B.C
C.
In nucleated cells
✓
A.
Fats
B.
Maltose
C.
Lactose
D.
Protein
B.
Blood capillaries
D.
Thin alveoli layer
Exchange of gases occurs over the alveoli through A.
Vessels
C.
Blood arteries
Q.880
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Q.882
Q.883
Q.884
Q.885
✓
Only superficial network of nerves is present in
✓
A.
Hydra
B.
Panaria
C.
Both
D.
Variable
B.
Anemia
D.
All
B.
Ac vated pepsin
✓
D.
Enterokinase
✓
B.
Both kidneys failed to func on
D.
Kidneys stones obstruct the urethra
Which is the sign of renal failure? C.
Q.879
✓
Substrate of lipase is
A. Q.878
Page 54
High blood pressure Enzyme denatura on
✓
Trypsinogen is ac vated by A.
HCI
C.
High pH
Dialysis is used when A.
One kidney of pa ent failed to func on
C.
Kidneys stones obstruct the urine passage
The heart in cockroach is:
✓
A.
13 chambered
B.
8 chambered
C.
3 Chambered
D.
9 chambered
In human only one ovum is usually discharged from the ovary at one me. This phenomenon is called:
✓
A.
Ovula on
B.
Menstrua on
C.
Oestrous
D.
Apomixis
B.
Air sacs
D.
Bronchioles
Histamine causes severe contrac on of A.
Bronchi
C.
Alveoli
✓
Plants which are characterized by having adapta ons of small and thick leaves to limit water loss and their stems are photosynthe c, are called: A.
Sammophytes
C.
Halophytes
Which of the following is osmo c poten al: ✓ A. The change of water poten al of system due to presence of solute molecules C. The total kine c energy of the water molecules
✓
B.
Xerophytes
D.
Mesophytes
B. D.
The total exerted by the protoplast against the cell wall of the plant cell Exosmosis of water form cell
Majority of CO2is transported in Blood as
✓
A.
Bicarbonate
B.
Carboxyhemoglobin
C.
With myoglobin
D.
Freely dissolved
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Tubular epithelium of kidneys maintains A. C.
Q.887
Q.888
Q.889
Q.890
Q.891
Q.893
Q.894
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Q.897
Fission
C.
Cloning
A.
Progesterone
C.
Lactogen
Which is opposite to diarrhea
Q.901
✓
D.
Na+ion in the filtrate
B.
Budding
D.
Iden cal twins
A.
Vomi ng
C.
Appendici s
B.
Testosterone
✓
D.
Oestrogen
✓
B.
Cons pa on
D.
Food poisoning
A.
Xylem sap
B.
Phloem sap
C.
Ascent of sap
D.
All a, b & c
Casparian strips are present in: A.
Root cortex
B.
Xylem
C.
Root endodermis
D.
Phloem
During diges on, carbohydrates breakdown into A.
Glucose
C.
Lactose
✓
B.
Maltose
D.
Glactose
B.
Amnio c fluid
D.
Vagina
The foetus is protected from the mechanical damage by the: A.
Pacenta
C.
Cervix
✓
Henbane (Hyoscyamus niger), snapdragon, cabbage, spring wheat, spring barley are examples of: A.
Short day plants
C.
Day-neutral plants
✓
B.
Long day plants
D.
None
B.
Carpal
✓
D.
Tarsal
B.
Eytokinin
✓
D.
Ethene
B.
Diges on
D.
Assimila on
Which one is the bone of hindlimb: A.
Radius
C.
Carpal
Fruit ripening is due to produc on of: A.
Auxin
C.
Gibberellin
The u liza on of the product of diges on is called Inges on Absorp on
✓
The forma on of sperms and eggs is called: A.
Spermatogenesis
B.
Oogenesis
C.
Gametogenesis
D.
Sporogenesis
Thrombosis is the forma on of:
✓
A.
Thrombus
B.
Thrombin
C.
Thymus
D.
Thyroid
There are 12 pairs of nerves are present in the human nervous system that are known as A.
Cerebral and spinal nerves
C.
Cranial and dendrites
✓
B.
Cerebral and cranial nerves
D.
Motor and sensory neurons
Release of ovum from the ovary is called:
✓ Q.902
pH of filtrate
Root pressure is created by the ac ve secre on of salts and other solutes from the other cells into:
✓
Q.900
✓
B.
The ovary under the s mulus of FSH, also produces:
C.
Q.899
CI ions in the filtrate
A.
A. Q.898
✓
-1
Hydra reproduces asexually by:
✓ Q.892
Ionic strength in the urine
Page 55
A.
Fer liza on
B.
Birth
C.
Ovula on
D.
Implanta on
During inspira on, as a result of contrac on of muscles a ached to it, the diaphragm A.
Becomes dome-shaped
B.
Fla ens
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Q.905
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Urether emp es near _____ in females?
✓
Q.913
Q.914
Q.915
Q.916
Q.917
Q.918
C.
Uterus
Fla ens & rotates
✓
B.
Vagina
D.
Clitoris
A.
Sperm
C.
Spermatozoid
B.
Oogonia
D.
Ova
✓
A.
Restored oxygen level
B.
Restored CO2Level
C.
Plasma level
D.
RBCs increases
Len cel look like:
✓
A.
A big pore
B.
Stoma
C.
Sponge
D.
All of these
B.
Diffusion
D.
Osmosis
Substances are reabsorbed in proximal tubule by A.
Ac ve tubule
C.
Both
✓
Which of the followings is involved in protec ve mechanisms A.
Lymphocytes
C.
Phagocytes
✓
B.
Monocytes
D.
All of these
B.
Plasma
D.
Urine
Lymph most closely resembles which of the following ? A.
Water
C.
Inters
al fluid
Hematoma is a clot of: A.
Cells
B.
Fluid
C.
Blood
D.
Lymph
During the process of meiosis in the human male, four func onal sperms are produced while in the female one func onal egg and 3 --------- are the end result
✓ Q.912
Ureter
D.
Red blood cells regula on occurred by one of the following processes inhibits
✓ Q.911
A.
✓
Non-mo le female gametes or eggs are called:
✓ Q.910
Rotates
Page 56
A.
Zygotes
B.
Follicles
C.
Polar bodies (polocytes)
D.
Blastocysis
The tes s is concerned with:
✓
A.
Produc on of spermatozoa
B.
Produc on of ova
C.
Transporta on of spermatozoa
D.
Transporta on of ova
How many polypep de chains contribute in the forma on of an body A.
Two
C.
Three
✓
B.
Four
D.
One
Which of the metabolic process is taken place within the power house of the cell A.
Citric acid cycle
C.
Krebs cycle
The number of cranial nerves are A.
42
C.
36
✓ ✓
B.
Tricarboxylic acid cycle
D.
All of these
B.
24
D.
12
Fruit ripening is o en accompanied by a burst of respiratory ac vity called the: A.
Climax
C.
Trimetric
✓
B.
Climatric
D.
Dimetric
B.
Motor
✓
D.
All
✓
B.
3
D.
5
Cranial nerves are A.
Sensory
C.
Mixed
Brian is covered by how many meningeal layers? A.
2
C.
4
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Aspira on pneumonia occurs in which condi on
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Q.921
Q.922
Q.923
Page 57
A.
Microcephaly
B.
Arthri s
C.
Cle palate
D.
Spondylosis
If the CO2concentra on in the blood increases, the breathing rate shall
✓
A.
Increase
B.
Decrease
C.
Remain constant
D.
Stop
Energy is stored in the liver mainly as
✓
A.
Glycogen
B.
Starch
C.
Fats
D.
Cholesterol
Hinge joint allows movement in direc ons:
✓
A.
Two
B.
Three
C.
Four
D.
Many
B.
Sinus venosus, single auricle and one ventricle Sinus venosus and one ventricle
In fishes heat comprises: A.
one auricle and one ventricle
✓
C.
Q.924
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Q.926
Q.927
Q.928
Sinus venosus, single auricle and tow D. ventricles Most car laginours fishes possess salt excre ng organs known as:
Q.930
✓
Q.933
Q.934
Adrenal glands
✓
Pituitary glands
D.
Rectal Glands
A.
Perspira on
C.
Respira on
✓
B.
Aspira on
D.
Transpira on
A.
Dorsiventral
B.
Dorsolateral
C.
Isobilateral
D.
None
The varia ons in day length are called photoperiod and the phenomenon is called:
✓
A.
Photoperiodism
B.
Photosynthesis
C.
Photo-varia ons
D.
Photo-fluctua on
High aluminum concentra on in the body causes which one of the disease A.
Epilepsy
B.
Parkinsons disease
C.
Alzheimers disease
D.
None of these
The inters
al fluid of kidney is gradually concentrated through a mechanism of
A.
Filtra on pressure
C.
Glomerular mechanism
✓
B.
Counter-current mul plier
D.
All of these
Degenera ve arterial change associated with advancing age A.
Infarc on
B.
Stroke
C.
Atherosclerosis
D.
Thrombus
Sperms are produced by:
✓ Q.932
C.
B.
In leaves, in which the stomata are confined to only the lower epidermis are:
✓ Q.931
Thyroid glands
The evapora on of water from the aerial parts of the plant especially through stomata of leaves is a process called:
✓ Q.929
A.
A.
Vas deferens
B.
Urethra
C.
Seminiferous tubules
D.
Epididymis
B.
Repolariza on
D.
Passive transport
Ou lux of
K+causes
A.
Depolariza on
C.
Polariza on
✓
A structure established between the uterine and foetal ssues for the exchange of oxygen, carbon dioxide, waste, nutrients and other material is: A.
Bridge
C.
Canal
✓
B.
Placenta
D.
Channel
B.
Lympha c system
D.
Liver
Who assists the kidney in waste disposal A.
Spleen
C.
Heart
✓
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Prosopis trees have maximum depth of their roots, which is 50 metres, belong to family:
✓ Q.936
Q.937
Q.938
Q.939
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Q.945
✓
Q.948
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Q.951
C.
Leguminosae
D.
Rosaceae
B.
Thymus
D.
All of these
A.
Spleen
C.
Adenoids
A.
Appe te
C.
Both A & B
✓ ✓
B.
Memory
D.
None
A.
Low calcium
B.
low sugar
C.
Virus
D.
Bacterium
A.
Closed
C.
Both
✓
B.
Open
D.
None
The right systemic most of it, disappears in: A.
Mammals
B.
Amphibians
C.
Rep les
D.
Birds
The ACTH released from foetal pituitary s mulates the foetal adrenal gland to release: A.
Steroids
B.
Vasopressin
C.
Cor costeroids
D.
Oxytocin
Metabolism of which produces uric acid
✓
A.
Protein
B.
Nuclei acid
C.
Pyrimbular capillaries & vasa Recta
D.
None of these
B.
Coloumnar always
D.
Both a and c
B.
Protec on
D.
All a, b, c
Which epithelium forms bladder linings A.
Cuboidal
C.
Squamous
✓
Fluid secreted by sertoli cells provides sperms: A.
Liquid medium
C.
Nourishment
✓
A more concentrated extracellular environment than a cell is termed as: A.
Peritonic
B.
Isotonic
C.
Hypertonic
D.
Hypotonic
Cytochromes contain A.
Ca
B.
Na
C.
Fe
D.
Mg
B.
Tricuspid valve
D.
Sinoatrial node
The blood is passed on to right ventricle through: A.
Bicuspid valve
C.
Semilunar valve
✓
The colloid osmo c pressure of the blood is maintained by:
✓ Q.949
Poaceae
If blood comes in direct contact with other body cells and bathes them, such a circulatory system is called:
✓ Q.947
B.
Tetanus is caused by:
✓ Q.946
Solanaceae
Demen a is loss of
✓ Q.942
A.
Which is lymphoid mass
✓ Q.941
Page 58
A.
Plasma an bodies
B.
Plasma salts
C.
Plasma proteins
D.
Plasma sugars
B.
Cardiac muscles
D.
Both b & c
During diving reflex most of the blood goes to A.
Visceral organs
C.
Brain
✓
During filtra on process of blood through, blood enter through A.
Efferent artery
C.
Renal vein
✓
B.
Afferent artery
D.
Collec ng duct
B.
Muscle fa gue
Cross bridges are unable to detach due to ATP deficiency A.
Rigor mor s
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✓
Q.957
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✓
Q.963
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Water
B.
O2
C.
CO2
D.
All of above
A.
3 - 7 days
B.
3 - 32 days
C.
28 days
D.
280 days
A.
Ulna
B.
Tibia
C.
Metatarsals
D.
Ilium
A.
0.2 sec
B.
0.12 sec
C.
0.15 sec
D.
0.30 sec
B.
When one relaxes, other contracts
D.
Both may be present one above the other
For antagonism which is true A.
Both muscles move bone is same direc on
C.
One contracts when other's contrac on ends
✓
Which one of following has fixed a achment
✓
A.
Origin
B.
Inser on
C.
Tendon
D.
All of these
The mechanism employed by animals to maintain amount of water and salts in their cells to a constant or nearly constant levels is: A.
Osmoregula on
B.
Homeostasis
C.
Excre on
D.
Perspira on
Asexual reproduc on requires only a singe parental organism which gives rise to offspring by:
✓
A.
Mito c cell division
B.
Meio c cell division
C.
Both a & b
D.
None
Erythropoie n helps in A.
Heat produc on
C.
Growth
✓
B.
R.B.C produc on
D.
W.B.C forma on
Dwarfism results due to deficiency of A.
PSH
B.
ACTH
C.
STH
D.
LH
The oxygenated blood from the lungs is brought to le atrium by: A.
Pulmonary arteries
C.
Coronary veins
How many are there in the body: A.
12
C.
8
✓ ✓
B.
Pulmonary veins
D.
Coronary arteries
B.
24
D.
7
Which acts as birth canal
✓ Q.965
A.
Delay of impulses from S-A node to A-V node is of
✓ Q.962
Tetany
Which of the following is none of forelimb?
✓
Q.959
D.
Human menstrual cycle repeats a er
✓ Q.956
Both
Photosynthesis and respira on have one thing common as a by-product:
✓ Q.954
C.
Page 59
A.
Uterus
B.
Oviduct
C.
Vagina
D.
Ovary
What you suggest for thyrotrophin of thyroid s mila ng hormone? A.
Produced by throid gland
C.
Produced by neurohypophysis
The cell of two - celled embryo are called: A.
Centromerous
C.
Twin
B.
Produced by Adrenals
✓
D.
Produced by anterior pituitary
✓
B.
Blastomeres
D.
Triplet
The components of immune system include the lymphocytes (B and T) and the: A.
An gens
C.
An sera
✓
B.
Monocytes
D.
An bodies
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Q.969
Q.970
Any detectable change in the environment
Q.972
Q.973
Q.974
✓
Behavior
C.
Cor sol
Q.978
Q.979
Q.980
Q.981
Q.982
Hypothalamus
C.
Amygdala
D.
Cerebrum
A.
5 - 10
B.
10 - 15
C.
15 - 20
D.
20 - 25
B.
Henbane
D.
Tomato
B.
Outer striped inner smooth
D.
Outer & inner both striped
A.
Soybean
C.
Cucumber
Anus is surrounded by two sphincters A.
Outer smooth inner striped
C.
Outer & inner both smooth
✓ ✓
The inac ve non-conduc ng wood is called:
✓
A.
Heart wood
B.
Sap wood
C.
Cork
D.
Bark
The mechanism that produces new genera ons and maintains a species is: A.
Fer liza on
B.
Concep on
C.
Reproduc on
D.
Ovula on
B.
Rat
D.
Man
Which of the following is a plan grade animals? Rabbit Goat
✓
Lymph is filtered at the site of
✓
A.
Lymph node
B.
Spleen
C.
Liver
D.
All of these
B.
Osteoarthri s
D.
All of these
It is a chronic arthri s A.
Gouty arthri s
C.
Rhenumatoid arthri s
✓
The fishes which are isotonic to the surroundings sea water are the : A.
Bony fishes
C.
Car laginous fishes
✓
B.
Hag fishes
D.
Lung fishes
The diges on of food is generally accomplished in one of the following sites A.
Mouth, oral cavity and stomach
C.
Oral cavity, stomach and large intes ne
✓
B.
Oral cavity, stomach and small intes ne
D.
Stomach, small intes ne and large intes ne
Ac on of which enzyme give amino acids
✓
A.
Erypsin
B.
Trypsin
C.
Pepsin
D.
Ptyalin
When bile is blocked not reaching in diges ve tract, the condi on is called A.
Gall stone
C.
Diabetes
✓
B.
Jaundice
D.
Cancer
Decrease in stomach pH is role of A.
Zymogen cells
B.
Mucous cells
C.
Parietal cells
D.
Endocrine cells
The animals which don not require ac vely to adjust their internal osmo c state are known as :
✓ Q.984
All of these
B.
Which one of the following is a long day plant:
✓ Q.983
D.
Thalamus
C.
Q.977
Testosterone
A.
A. Q.976
✓
B.
Respiratory rate in human at rest, is in the range of _______ mes per minutes
✓ Q.975
A.
Which is the sensory relay sta on (crucial)
✓ Q.971
Page 60
A.
Osmoregulators
B.
Thermoregulators
C.
Osmoconformers
D.
Excretophores
B.
Smooth muscles
A er birth, bleeding is controlled by A.
Clo ng
✓
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✓
Q.993
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Q.995
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Q.1000
Ballon
A.
Palate
B.
Oral cavity
C.
Tongue
D.
Internal walls of cheeks
A.
ATP
B.
Crea ne phosphate
C.
Lac c acid
D.
Both a and b
Platelets are not cells, but are fragments of large cells called: A.
Micro Karyocytes
B.
Karyocytes
C.
Megakaryocytes
D.
Karyokinesis
B.
Myosin slides past ac n
D.
Botha a and b
B.
Tetanus
D.
Fa gue
Which muscle contracts: A.
Sarcomere increase in size
C.
Lacis acid is produced
Lock Jaw is the symptom of A.
Tetany
C.
Cramp
✓ ✓
The le auricle passes blood to the le ventricle via:
✓
A.
Bicuspid valve
B.
Tricuspid valve
C.
Semilunar valve
D.
Sinoatrial valve
The circulatory system found in animals belonging to phylum Arthropoda, Mollusca, and groups of protochordates, the tunicates is:
✓
Q.992
D.
Which of these is a direct source of energy for muscle contrac on?
✓ Q.988
Feotal cor costeriods
The taste of the food is checked by taste buds on the surface of
✓ Q.986
Page 61
A.
Open
B.
Closed
C.
Both
D.
None
B.
5-7%
D.
4-6%
Cu cular transpira on is __________ of total transpira on. A.
6 - 8%
C.
7-9%
✓
Which is supplied by soma c nervous system
✓
A.
Skeletal muscles
B.
Cardiac muscles
C.
Smooth muscles
D.
Non-Striated muscles
B.
Erythrocytes
D.
Monocytes
In males, a cubic millimetre blood contains 5-51/2 millions of: A.
Lymphocytes
C.
Platelets
✓
The events of the menstrual cycle involves the ovaries and the uterus and these are regulated by pituitary: A.
Gonadosteroids
C.
Gonadomorphs
The fetus is protected from the mechanical damage by A.
Placenta
C.
Clitoris
B.
Gonadoproteins
✓
D.
Gonadotrophins
✓
B.
Amnio c fluid
D.
None
The average number of RBC,s per cubic millimeter of blood in a normal adult man is:
✓
A.
5 million
B.
8 million
C.
6 million
D.
4.5 million
The follicles are broken down by a degenera ve process known as: A.
Follicle broker
C.
Follicle luteum
✓
B.
Follicle atresia
D.
Follicle asteria
The major func on of sodium bicarbonate in the saliva is
✓
A.
To maintain and stabilize pH
B.
To digest lipids
C.
To degrade protein
D.
None of these
B.
Treponema
D.
HIV
Syphilis is caused by: A.
Neisseria
C.
Entamoeba
✓
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Q.1002
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Which of the following in not a component of blood plasma
✓
Q.1014
✓ ✓
Globulin
D.
Platelets
A.
Axons
B.
Dendrites
C.
Schwan cells
✓
D.
Soma
A.
Uric acid
B.
Ammonia
C.
Urea
D.
crea ne
B.
Carnivores
D.
Mcrophagous feeders
B.
The sin become blue
D.
Carbondioside tosakin increas
A.
Symbionts
C.
Parasites
A.
Oxygen supply to kin stops
C.
Blood supply to skin is stopped
✓ ✓
A.
Bleeding starts
B.
Bleeding stops
C.
Ovula on occurs
D.
None of these
A.
Maltose...............amylase
B.
Lactose...amylase
C.
Glucose...amylase
D.
Fructose...amylase
Parthenogenesis has the advantage of accelera ng the normal:
✓
A.
Reproduc ve rate
B.
Excretory rate
C.
Diges ve rate
D.
Respiratory rate
The primary oocyte divides meio cally into the: A.
Haploid secondary oocyte
B.
First polar body
C.
Both a & b
D.
None
The nucleus of lymphocyte is: A.
Two lobed
B.
Five lobed
C.
Kidney shape
D.
None
The most advanced & versa le types of locomo on is found in: A.
Fishes
B.
Birds
C.
Mammals
D.
Amphibians
Semen is stored in A.
Seminiferous tubules
B.
Epdidymis
C.
Seminal vesicles
D.
Vas deferens
B.
Cellulose
D.
Glycogen
The component of cell wall having great affinity with water is: A.
Glucose
C.
Starch
✓
Valves are not present in A.
Arteries
B.
Veins
C.
Lympha c ducts
D.
All of these
Diastolic pressure in normal individuals ranges between: A.
70-80 mm Hg
B.
80-90 mm Hg
C.
75-85 mm Hg
D.
85-95 mm Hg
Human kidney to
✓ Q.1017
B.
Starch is converted into ------------------ by the enzyme -------------------------
✓ Q.1016
✓
The 1st day of menstrual cycle is the one on which
✓ Q.1015
Fibrinogen
Cyanosis a condi on is which:
✓ Q.1013
C.
Maximum number of enzymes for diges on are found in
✓ Q.1012
Water
Which of the following excretory product requires minimum water for its elimina on?
✓ Q.1011
A.
Which is concerned with biosynthesis of materials
✓ Q.1010
Page 62
A.
Pronephros
B.
Mesonephros
C.
Metanephors
D.
None of these
Once the placenta is established. it starts secre ng the progesterone hormone which maintains the: A.
Development
✓
B.
Pregnancy
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✓
Q.1028
Q.1029
Q.1030
✓
A.
Plasmolysis
C.
Imbibi on
✓
D.
Diffusion
10%
B.
20%
30%
D.
40%
A.
Jelly fish
B.
Earth worm
C.
Amoeba
D.
Star fish
B.
Temperature decreases
D.
none
A.
pH decreses
C.
CO2increases
✓
Uncomfortable sensa on during hunger is generally termed as
✓
A.
Hunger pang
B.
Hunger gang
C.
Starva on pang
D.
Appe te pang
Which compels the adap ons in constantly changing external environment?
✓
A.
Homeostasis
B.
Excre on
C.
Thermoregula on
D.
None of them
Which of the salt is an important component of saliva A.
Sodium chloride
B.
Sodium carbonate
C.
Sodium bicarbonate
D.
Sodium sulphate
Open circulatory system is present in phylum A.
Arthopods
B.
Mollusca
C.
Both a & b
D.
Chordata
Which type of muscles have branched structure A.
Skeletal muscles
B.
Striated muscles
C.
Cardiac muscles
D.
Smooth muscles
Inters
al cells found between seminiferous tubules secrete:
A.
Estrogens
C.
Semen
B.
Progesterone
D.
Testosterone
B.
Appendix
✓
D.
Tongue
✓
B.
Anterior 13 segments
D.
Throughout
✓
It produces small amount of serous fluid A.
Pancreas
C.
Larynx
In earthworm, dorsal blood vessel is a collec ng channel: A.
Behind 13th segment
C.
In typhlosole region
Cucumber, tomato, garden pea, maize, co on are examples of: A.
Short day plants
B.
Long day plants
C.
Day-neutral plants
D.
None
B.
Protein to peptones
D.
Both a & b
Pepsin hydrolyzes C.
Protein polpep des Glycogen to glucose
✓
Homeostasis means to keep internal environment
✓ Q.1033
Cohesion
C.
A. Q.1032
B.
A.
O2affinity of hemoglobin increase when
✓ Q.1031
Ovula on
Jet propulsion is method of movement in:
✓ Q.1027
D.
One kidney receive _______ blood during some circula on
✓ Q.1026
Lacta on
The passive uptake involves:
✓ Q.1025
Page 63
A.
At a fixed level
B.
Within wide range
C.
Within a narrow range
D.
All of these
By volume of the blood in a normal person, plasma cons tuted about: A.
15%
C.
55%
✓
B.
25%
D.
55%
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6 Q.1
Q.2
Q.3
Q.4
Q.5
Q.7
Q.8
Q.9
A.
NADPH
C.
Ferrodoxin
✓
Q.12
Q.13
B.
NADH
D.
Plastoquinone
A.
20 - 100
B.
2 - 10
C.
2 - 200
D.
20 - 200
B.
Alcoholic & Lac c acid fermenta on and anaerobic respira on Alcoholic & oxalic acid fermenta on and aerobic respira on
Cell processes pyruvic acid by: ✓ A. Alcoholic & lac c acid fermenta on and aerobic respira on C. Alcoholic & ace c acid fermenta on and aerobic respira on
D.
Oxygen which is released during process of photosynthesis comes from A.
hydrogen
B.
leaves
C.
water
D.
oxygen
The chloroplasts of the plants capture light energy coming from the sun and convert it into chemical energy that gets stored in A.
Sugar
C.
Lipids
Which of the following is true about dark reac on + NADPH + ATP + NADP + ADP A. CO2 2O)3 2O >>>>>>(CH +H + FADPH + ATP + NADP + C. CO2 2O)3 2O >>>>>>(CH ADP + H What kind of fermenta on is carried out by muscle cells A.
Alcohol
C.
Citric acid
B.
Proteins
✓
D.
All
✓
B.
O2
D.
✓
+ NADPH + ATP >>>>>>(CH + NADPH + ATP CO2 >>>>>>(CH
B.
Lac c acid
D.
Fumaric acid
+ NADP + ADP + H + NADP + 2O)3 ADP + H
2O)3
2O 2O
The chemical energy produced during light reac on is stored in the form of C.
Q.11
✓
Which statement show the best advantage of slight difference in structure of chlorophyll a and b: B. They absorbs the light of same wavelengths of ✓ A. Chlorophyll a is blue green while chlorophyll b is yellow green visible spectrum C. Chlorophyll b is not found along with D. All the above op ons chlorophyll is a in all embryophytes Each mesophyll cell has about ______No. of chloroplast
A. Q.10
Bioenergetics
Which of the energy rich molecule of mitochondria
✓ Q.6
Page 1
ATP NADPH2
B.
Stored sugars
D.
All of these
B.
Stroma of mitochondria
✓
D.
Stroma of chloroplast
✓
B.
Thylakoid
D.
All
B.
Stroma
D.
Mitochondria
✓
Te dark reac ons take place in the: A.
Matrix of mitochondria
C.
Grana of chloroplast
Electron transport ststem is a part of A.
Stroma
C.
Intergrana
Dark reac on occur in: A.
Chloroplast
C.
Grana
✓
The long hydrocarbon tail which is a ached to one of the pyrrole rings is the A.
Hydrophobic phytol
B.
Hydrophilic phytol
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Created By: Armghan Saeed C. Q.14
Q.16
Q.17
Q.18
Q.19
Q.20
Q.22
Q.23
Q.24
Q.25
Q.26
Q.27
Cytohromes
B.
Forma on of ATP
C.
Movement of H into the thylakoid space
D.
Absorp on of solar energy
B.
Enzymes
D.
ATP (Adenosine triphosphate)
A.
Nitrogenous bases
C.
ADP ( Adenosine diphosphate)
✓
The quan ta ve study of energy rela onships and conserva on in biological systems is: A.
Bioconserva on
C.
Biosynthesis
✓
B.
Bioenerge cs
D.
Biosystema cs
B.
NADPH molecule is released
✓
D.
All of these
✓
B.
Pigments
D.
All
In the oxida ve phase of glycolysis A.
NADPH molecule is released
C.
ATP molecules are released
The substances that absorb visible light are called A.
Phytane
C.
Pia ma er
The process that uses membranes to couple redox reac on to yield ATP is called A.
ATP Synthase
C.
Coupling factor
✓
B.
Chemiosmosis
D.
Both a & c
The number of the chloroplast per mesophyll cell: A.
10 - 20
B.
20 - 40
C.
20 - 100
D.
100 - 200
Which of the following is the most explana on about the university of respira on:
✓
A. C.
It is performed by all living organism B. It happens at all mes Breakdown of carbon complex compounds to D. All fo the above harvest maximum of usable energy Absorp on spectrum of chlorophyll 'a' indicates that maximum absorp on is in ______ part of spectrum A.
Blue
C.
Green
✓
B.
Red
D.
A and B
Glycolysis is the breakdown of glucose up to the forma on of:
✓
A.
Pyruvic acid
B.
Sulphuric acid
C.
ATP
D.
NAD
✓
B. D.
Forma on of ATP Excitement of an electron of chlorophyll by a photon of light
✓
B.
Thylakoids
D.
Chromoplasts
The first step in photosynthesis is: A.
Joining of 3-carbon atoms to form glucose
C.
Ioniza on of water
Light reac on of photosynthesis occurs in: A.
Grana
C.
Stroma
The number of stomata per square mm of the leaf surface is A.
One million
C.
1.5 million
✓
B.
0.5 million
D.
0.05 million
Which factor controls the rate of photosynthesis? C.
Q.29
B and C
A.
A. Q.28
D.
Which is the most common energy carrier in cells?
✓ Q.21
✓
Which of the should not be associated with the electron transport chain:
✓ Q.15
C20H39(hydrophilic)
Page 2
Availability of chlorophyll-a Availability of water
Thylakoid membranes are involved in ATP synthesis by A.
Chemosynthesis
C.
Chemotrophy
G3P is the carbohydrate produced directly from the A.
Kreb's cycle
C.
Pentose cycle
B.
Availability of oxygen
✓
D.
Availability of carbon dioxide
✓
B.
Chemiosmosis
D.
All
B.
Calvin cycle
D.
C4cycle
✓
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1, 3 bisphosphoglycerate is reduced by NADPH2, and with the removal of Pi is changed to
✓ Q.31
Q.32
Q.33
Q.34
✓
P3G
C.
G3P
D.
None
B.
Abssisic acid
D.
All of these
A.
Internal clock in the guard cells
C.
Potassium pump
A.
Cytosol
B.
Mitochondria
C.
Nucleus
D.
Ribosomes
A.
Photometer
C.
Photo Absorber
20%
C.
2%
D.
4%
A.
Ribulose biphosphate
B.
RuBP
C.
Both a & b
D.
None
RuBP reacts with CO2in the presence of enzyme A.
Ribisco
B.
Rubisc
C.
Rubisco
D.
A and C
Chemically chlorophyll 'b' is A.
C55H72O5N4Mg
B.
C55H70O5N4Mg
C.
C55H70O6N4Mg
D.
C55H72O6N4Mg
Absorp on spectrum of light is represented by
✓
A.
Graph of wavelength
B.
Digital imaging
C.
Digital figures
D.
None of these
Q.40
Q.45
Spectrophotometer
B.
No energy transfer Energy transforma on occurs for blood circula on, breathing and maintaining the body temperature Rate of photosynthesis is measured in terms of:
Q.44
D.
The calvin cycle begins when a molecule of CO2 reacts with a highly reac ve phosphorylated five carbon sugar named:
✓
Q.43
Mass Spectrometer
10%
During sleep there is no ac vity of man. There is:
Q.42
✓
B.
A.
Q.39
Q.41
✓
About _________ percent of energy is converted into ATP during anaerobic respira on
✓ Q.38
B.
An instrument used to measure rela ve abili es of different pigments to absorb different wavelengths of light is called:
✓ Q.37
3 PG
Glycolysis occurs in the:
✓ Q.36
A.
Opening and closing of stomata is due to
✓ Q.35
Page 3
A. C.
A.
Photosynthe c yield
C.
Oxygen yeild
✓
B.
No energy transforma on
D.
None of these
B.
Quantum yield
D.
All above
B.
Fe-porphyrin ring
D.
B and C
Haem por on of the haemoglobin is A.
Mg-porphyrin ring
C.
Fe-tetrapyrrole
✓
Mitochondria play a part in cellular respira on by transferring the energy of the organic molecules to the chemical bonds of A.
Crea nphosphate
C.
ADP
✓
B.
ATP
D.
GTP
The wave lengths least absorbed by chlorophylls are:
✓
A.
Green & yellow
B.
Green & blue
C.
Red & blue
D.
Red & orange
B.
Carbon fixa on, Reduc on and regenera on of NADPH Carbon fixa on, Oxida on and regenera on of NADPH
Dark reac on in plants is divided into three phases ✓ A. Carbon fixa on, Reduc on and regenera on of Rubisco C. Carbon fixa on, Oxida on and regenera on of Rubisco
D.
The process by which pH gradient across the membrane drives the forma on of ATP:
✓ B. Chemiosmosis _______________________________________________________________________________________ Almiraj Academy Timber Market Ravi Road Lahore (0331-4033092) A.
Photosynthesis
Created By: Armghan Saeed C. Q.46
Q.50
Q.52
Q.53
Q.54
Q.55
Q.56
Q.58
Q.59
Q.61
B.
Chemical kine cs
C.
Bioenerge cs
D.
All
A.
Is the breakdown of ATP molecules
B.
Breakdown of NADPH2molecules
C.
Breakdown of water molecule
D.
Breakdown of chlorophyll molecules
A.
C20H38
B.
C20H40
C.
C20H39
D.
C18H35
B.
Eye
D.
All of these
A.
Skin
C.
Hairs
✓
A.
ATP
B.
NADPH2
C.
ATP + NADPH2
D.
ATP + NADPH2+ O2
B.
Reac on centre
D.
All of these
The antenna molecules transfer energy to A.
Thylakoid memebrane
C.
Antenna complex
✓
How much light falling on the leaf surface is abosrbed
✓
A.
1%
B.
2%
C.
10%
D.
20%
B.
7.3 k cal
D.
8400 cal
B.
Solar energy
D.
None
B.
1-2%
D.
15-20%
ATP ____ ADP + Pi; this would release A.
7300 K cal
C.
both
Earth is powered, directly or indirectly by A.
Electric energy
C.
Fossil fuels
Leaf surface covered by stomata is: A.
5-10%
C.
3-7%
✓ ✓ ✓
Pyruvic acid is the A.
Intermediate by product of glycolysis
B.
Primary by product of glycolysis
C.
Last by product of glycolysis
D.
None of these
Calvin cycle be divided into _______ phases
✓
A.
3
B.
2
C.
4
D.
5
Source of oxygen released during photosynthesis is:
✓
A.
Water
B.
Carbon dioxide
C.
Both a & b
D.
None of them
ETC consists of PS II, Pq, a complex of cytochromes and a copper containing protein called
✓ Q.60
Biochemistry
Sugar is formed during dark reac on of photosynthesis by the reduc on of CO2, using the product of light reac on, which are
✓ Q.57
A.
Carotenoids are also present in
✓ Q.51
Photorespira on
Formula of Phytol is
✓ Q.49
D.
Photolysis
✓ Q.48
Chemosynthesis
Branch of biology which helps to understand principles of energy transforma on in living system
✓ Q.47
Page 4
A.
Plastochrome
B.
Plastron
C.
Plastocyanin
D.
Phosphoprotein
The absorp on spectrum can be recorded with the instrument of A.
Centrifuge
C.
Ion analyzer
All enzymes of the glycolysis are located in the A.
Cytoplasm
C.
Stroma
✓ ✓
B.
Spectrophotometer
D.
Flame photometer
B.
Cytosol
D.
None of these
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Created By: Armghan Saeed Q.62
Q.63
Q.64
In photosynthesis the carbon dioxide, water and light are the:
✓
A.
Reactants
B.
Products
C.
Both a & b
D.
None
The oxida on of succinate produces -------------------- in citric acid cycle
✓
A.
FADH2
B.
NADPH2
C.
NADH
D.
ATP
In predominant type of electron transport called non-cyclic electron flow, the electrons pass through the two photosystems. A. C.
Q.65
Q.66
Q.67
Q.69
Q.70
Q.72
Q.73
Q.75
Q.76
Q.77
A.
Chemo-osmosis
C.
A and B
A.
Synthesis of NADP
C.
ADP
B.
Chromatophores
✓
D.
Photo-systems
✓
B.
Chemeosmosis
D.
None
B.
ATP
D.
Sugar
✓
Which chlorophyll is found along with chlorophyll 'a' in all green plants and green algae A.
Chl. 'd'
B.
Chl. 'c'
C.
Chl. 'b'
D.
Chl. 'e'
B.
20-100
D.
50-150
B.
CoQ
D.
Cyt a
The number of chloroplasts in each mesophyll cell is about: A.
10-50
C.
30-80
NADH is oxidized by ________ in electron transport chain A.
NADH reductase
C.
Cyt b
✓ ✓
Where the proton gradient develops in chemiosmosis A.
Across the thylakoid membrane
B.
Across inner mitochondrial membrane
C.
Both a & b
D.
Across outer mitochondrial membrane
B.
NADPH with the release of CO NADPH with the release of O
Oxida ve decarboxyla on produces ✓ A. NADH with the release of 2in citric acid CO cycle C. NADH with the release of O2in citric acid cycle
D.
in citric acid cycle in citric acid 2 cycle 2
If 8 quantum of light is needed for release of one mole of oxygen then what will be the quantum yield?
✓
A.
0.125 or (1/8)
B.
8
C.
32
D.
16
All green parts of a plant have:
✓ Q.74
Phytochromes
Chemiosmosis is the
✓ Q.71
Cytochromes
The ETS plays role in genera ng ATP by
✓ Q.68
Page 5
A.
Chromoplasts
B.
Leucoplasts
C.
Chloroplasts
D.
All a, b, c
Reducing & assimila ng power for photosynthesis is provided by ________ &_________ respec vely
✓
A.
NADPH2, ATP
B.
NADPH2, CO2
C.
ATP, NADPH2
D.
ATP, CO2
Reac on center has chlorophyll 'a' along with PEA and is associated with A.
ETS
C.
Photolysis
PGAL is ________ to PGA A.
Reduced
C.
Hydrolyzed
B.
Photophosphoryla ons
✓
D.
A and B
✓
B.
Oxidized
D.
Isomerized
The energy captured by antenna complex is channelized to the
✓
A.
ETS
B.
PEA
C.
Reac on centre
D.
All
_______________________________________________________________________________________ Almiraj Academy Timber Market Ravi Road Lahore (0331-4033092)
Created By: Armghan Saeed Q.78
Q.79
Q.80
Which conversion is accompanied by free energy change during krebs cycle?
Q.82
Q.83
Q.84
A.
Succinate-Fumarate
C.
Fumarate-malate
A.
40%
C.
10%
Q.88
Q.89
Q.90
Q.92
Q.93
Q.94
Melate- oxalo acetate
✓
B.
70%
D.
90%
Hydrogen peroxide
B.
Pyruvic acid
C.
Water
D.
Glycogen
A.
Lipids
C.
Starch
Anaerobic respira on occurs in the absence of oxygen like: A.
Combus on
C.
Oxida on
✓ ✓
B.
Chlorophyll
D.
Proteins
B.
Fermenta on
D.
All of these
B.
Carotene
D.
All
Which pigments are called accessory pigments A.
Chl. 'b'
C.
Xanthophyll
✓
Chlorophyll 'a' and chlorophyll 'b' differ from each other in only one of the func onal groups bounded to the porphyrin. The methyl group in chlorophyll 'a' is replaced by a terminal in chlorophyll 'b' CH2O CHO2
✓
B.
COH
D.
CHO
Who hypothesized that plants split H2O as a source of hydrogen, releasing oxygen as a by-product A.
Calvin
B.
Engelmann
C.
Van Niel
D.
Hooke
B.
Potassium
D.
Phosphorous
Cytochromes contain which element showing redox reac on A.
Nitrogen
C.
Iron
✓
Pigment found in stroma A.
Chlorophylls
C.
Carotenes
Chemiosmo c ATP synthesis depends on: A.
An electrochemical gradient
C.
ATP breaking down to ADP + Pi
B.
Xanthophylls
✓
D.
None of these
✓
B. D.
A difference in H concentra on between they they laid space and the stroma Both a and b
Hydrogen produced by the spli ng of H2O reduces A.
NAD to NADH2
C.
NADP to NADPH + H+
✓
B.
NADP to NADPH2
D.
B and C
Daily rhythmic opening and closing of stomata is due to:
✓ Q.91
D.
Magnesium is an important nutrient ion in green plant as it is an essen al component of:
✓
Q.87
Ketoglutarate-succinate
A.
C.
Q.86
B.
Oxygen is involved in the last step of aerobic respira on when it accepts H to form:
A. Q.85
✓
Total photosynthesis that occurs in oceans, lakes and ponds in about:
✓ Q.81
Page 6
A.
Decrease in rela ve humidity surrounding leaf
B.
An internal clock located in the guard cells
C.
Sunlight forces the stomata to open
D.
All of the above
The release of CO2 through enzyma c process of Krebs cycle is called A.
Carboxyla on
C.
Reduc on
✓
B.
Decarboxyla on
D.
Oxida on
In photosynthesis, carbon dioxide, light and water are
✓
A.
reactants
B.
products
C.
by-products
D.
catalysts
B.
"Power currency"
D.
Both(a)&(c)
Which terms defines "ATP"? A.
"Energy currency"
C.
"Physiological coins"
✓
Light behaves as waves as well as sort of par cles called:
_______________________________________________________________________________________ Almiraj Academy Timber Market Ravi Road Lahore (0331-4033092)
Created By: Armghan Saeed
Q.95
Q.96
✓
C.
Neutrons
Q.101
Q.103
Q.104
Q.105
Q.106
Q.107
Yellow
C.
Orange - red
D.
A and C
A.
Oxida ve phosphoryla on
B.
Reduc ve phosphoryla on
C.
Photophosphoryla on
D.
Hydrophorsphoryla on
A.
Chlorella
B.
Spirogyra
C.
Bacteria
D.
Cyanobacteria
The ul mate source of energy for maintaining life of biosphere is: Carbon cycle Photophosphoryla on
✓
B.
Photosynthesis
D.
Sunlight
B.
Xanthophylls
D.
All of these
Thylakoid membrane contains A.
Chlorophylls
C.
Carotenes
✓
How many electrons flow from single molecule of H2O to reduce NADP?
✓
A.
2
B.
3
C.
4
D.
1
Spli ng of sugar is literally relates to A.
Respira on
B.
Photorespira on
C.
Glycolysis
D.
Pyruvic acid
B.
Carbohydrate
✓
D.
Sugar
✓
B.
Chloroplast
D.
Peroxisomes
B.
Light phase and dark phase
D.
Biochemical phase and cellular phase
Glucose literally means spli ng of: A.
Glycogen
C.
Protein
RuBP oxygenase is located in: A.
Mitochondria
C.
Lysosomes
Photosynthesis consists of two well-defined phases, which are: A.
Oxygeneted phase and de-oxygenated phase
C.
Chemical phase and photochemical phase
Cyclic photophosphoryla on involves: A.
PSI only
C.
Bothy PSI and PSII
✓ ✓
B.
PSII only
D.
None of these
B.
Oxida on of NADH
D.
Both b & c
Oxygen is actually required for A.
Oxida on of acetyl CoA
C.
Oxida on of FADH2
✓
Which of the following statement is true about carbon fixa on during photosynthesis A. a 2 carbon molecule accept electrons for ✓ B. GP is reduced to carbohydrate carbon dioxide fixa on C. at low light intensity limit the rate of reac on none of these
The absorp on spectrum of chlorophyII: ✓ A. Approximates the ac on spectrum of photosynthesis D.
Q.109
Both a & b
B.
D. Q.108
D.
Van Niel's Hypothesis was based on observa on and inves ga ons on photosynthesis in
✓ Q.102
Photons
Violet-blue
C.
Q.100
B.
A.
A. Q.99
✓
ATP synthesis in the presence of light is called:
✓ Q.98
Protons
Chlorophyll absorbs mainly
✓ Q.97
A.
Page 7
B. C.
Explain why chlorophyII is a green pigment Shows that some colour of light are absorbed more then others
All of there correct
Which one is not accessory pigment:
✓
A.
Chlorophyll a
B.
Chlorophyll b
C.
Xanthophyll
D.
Carotene
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Q.111
The wavelength of light strongly absorbed by carotenoids is:
✓
Q.113
Q.115
Q.116
Q.117
Q.118
Q.119
Q.120
Q.121
Q.122
Q.123
Q.124
Q.125
Q.126
Blue-violet
B.
Blue-green
C.
Orange-green
D.
Yellow-green
A.
Site of sugar synthesis in leaf
B.
Site of manufacturing of FADH + ATP
C.
Clusters of photosynthe c pigments
D.
All of the above op ons
Biological oxida on involves the removal of hydrogen, a reac on catalyzed by the:
✓
A.
Dehydrogenases
B.
Hydrogenases
C.
Oxidases
D.
Reductases
What is a copper containing protein
✓ Q.114
A.
Which one is the best answer about photo system:
✓ Q.112
Page 8
A.
Cytochrome
B.
Plastoquinone
C.
Plastocyanin
D.
Fd
Of all the chlorophylls, which chlorophyll is most effec ve in photosynthesis
✓
A.
Chl. 'a'
B.
Chl. 'b'
C.
Chl. d
D.
Chl. C
B.
ATP
D.
NADPH2
ATP synthase in the thylakoid membrane is used to make A.
ADP
C.
NADH2
The maximum evolu on of oxygen is by A.
Crops
C.
Forests
✓ ✓
B.
Phytoplanktons of sea
D.
Great land area
The first ac on spectrum was obtained by Engelmann in
✓
A.
1883
B.
1893
C.
1873
D.
1863
Engelmann used which of these to es mate amount of O2evolved? A.
Pigments
C.
Indicators
✓
B.
Photo spectrometer
D.
Bacteria
A Plant cell requires calcium for:
✓
A.
Holding the cell together
B.
Synthesizing chlorophyll
C.
DNA replica on
D.
Opening and closing of stomata
Which pigment protect chlorophyll from intense light
✓
A.
Carotenoids
B.
Carotene
C.
Xanthophyll
D.
Chl. 'b'
B.
Energy releasing process
D.
Energy tracing process
The respira on acts as: A.
Energy capturing process
C.
Energy distribu ng process
✓
Light dependent reac on takes place by
✓
A.
CO2+ H2O + Light
B.
CO2 + H2O2 + Light
C.
O2 + H2O + Light
D.
O2 + H2O2 + Light
B.
NAD
D.
FAD
B.
During the transforma on of energy, the amount of energy doubles. During the transforma on of energy, all energy is lost
Succinate is oxidized by which coenzyme A.
ATP
C.
FADH2
✓
Which is the statement of second ;aw of thermodynamics? A. During the transforma on of energy, the amount of energy retains constant ✓ C. During the transforma on of energy, some energy is lost
D.
Accessory photosynthe c pigments are A.
Xauthophylls
C.
Chlorophyll 'b'
✓
B.
Carotene
D.
All
Energy currency is term used for:
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C.
ADP
✓
B.
ATP
D.
Respira on
A.
Pyranose rings
B.
Furanose rings
C.
Pyrrole rings
D.
Phytol rings
B.
Mitochondria and chloroplasts
D.
Chloroplasts and ribosomes
Cytochromes occur in: A.
Mitochondria and ribosomes
C.
Chloroplasts and peroxisomes
✓
The end product of glycolysis is A.
Pyruvate
C.
Lactate
✓
B.
Pyruvic acid
D.
Both a & b
Cytochrome a3is reduced by
✓
A.
Oxygen
B.
Cytochrome c
C.
Cytochrome Q
D.
Cytochrome a
B.
Photo-systems
D.
Chromatophores
Photosynthe c pigments are organized into clusters, called: A.
Cytochromes
C.
Phytochromes
✓
Single glucose molecule yields how many ATPs directly from Krebs cycle A.
30
C.
12
✓
B.
24
D.
None
B.
The presence of CH3group in chlorophyll b
D.
Both a and b
The main difference between chlorophyll a and b molecules is A.
The presence of CHO group in chlorophyll a
C.
Pophyrin ring is not present in chlorophyll a
✓
THe process by which energy is made available to cells in a step by step breakdown of C-chain molecules in the cells is: A.
External respira on
C.
Both a & b
✓
B.
Cellular respira on
D.
None
Chlorophyll absorb mainly
✓ Q.136
Mitochondrion
The porphyrin ring of chlorophyll is made up of 5 joined smaller.
✓ Q.128
A.
Page 9
A.
Violet-blue
B.
Organ-Red
C.
Both a & b
D.
Yellow - Green
Chlorophyll b is yellow-green.
✓
A.
Yellow-green
B.
Blue-green
C.
Orange-green
D.
Violet-blue
B.
Three carboxlic group containing molecules
D.
All of these
Oxaloacetate is a A.
Four carbon molecule
C.
First compound combine with CoA
✓
The greatest contributor of electron to the electron transport system is: A.
Oxygen
C.
The Kreb cycle
Chlorophyll a is: A.
Yellow-green
C.
Orange-green
There are ________ forms of chlorophylls in eukaryotes A.
3
C.
2
Which has reducing power A.
ATP
C.
NADP
B.
Glycolysis
✓
D.
The transi on reac on
✓
B.
Blue-green
D.
Violet-blue
✓ ✓
B.
4
D.
None of these
B.
NADPH2
D.
ADP
"Energy cannot be created nor destroyed but it can be converted from its one form to the other".This statement is called:
✓
A.
First law of thermodynamics
B.
First law of free energy
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A.
carbon dioxide
C.
electrons
Q.148
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Q.152
A.
Manganese atom
C.
Helium
Q.156
Q.158
Bacteria
A.
It can also occur in dark
C.
Occur more rapidly at night
D.
none of these
✓
B.
Calcium atom
D.
Iron atom
B.
Fungi
✓
D.
Algae
✓
B.
When rate of photosynthesis is equal to that of respira on When there is enough water just meet the requirement of plant
D.
✓
B.
Cant occur during day me
D.
It does not require light energy
A.
Blue-green algae
B.
Brown algae
C.
Green algae
D.
Golden brown algae
B.
Cyclic
D.
None
Photophosphoryla on involving photosystem I only is called A.
Non-cyclic
C.
A and b
✓
To measure the rela ve abili es of different pigments to absorb different wavelengths of light can be measured by an instrument called A.
Spectrometer
C.
Photometer
✓
B.
Spectrophotometer
D.
All
B.
6
D.
4
Fumarate is a ________ carbon compound A.
8
C.
2
✓
The pathway in which glucose molecule is split to form two molecules of pyruvic acid is: Krebs cycle Urea cycle
✓
B.
Calvin cycle
D.
Glycolysis
Light is a form of energy called: A.
Electromagne c energy
B.
Electromagne c radia ons
C.
Both a & b
D.
None
Electron transport is coupled with pumping of protons across the membrane A.
Phophoryla on
C.
Photolysis
✓
B.
Chemiosmosis
D.
Electron transport chain
Glycolysis can be divided into two phases, a preparatory phase and:
✓
A.
Oxida ve phase
B.
Reduc ve phase
C.
Phosphoryla ve phase
D.
Absorp ve phase
B. D.
Conversion of chemical energy to mechanical energy All of the above
Most important energy transforma on of the biosphere is: A.
Q.157
oxygen
Chlorophyll b is found along with chlorophyll a in all green plant (embryophytes) and:
✓
Q.155
B.
Dark reac on in photosynthesis is called so because:
C.
Q.154
✓
Yeasts
Compensa on point is: A. Where thee is neither photosynthesis nor respira on C. When en re food synthesized in photosynthesis remains of plant
A. Q.153
First law of conserva on of energy
Chlorophyll a, b, c and d are found in eukaryo c photosynthe c plants and:
✓ Q.149
D.
Haeme por on of haemoglobin is also a porphyrin ring but containing:
C.
Q.147
First law of entropy
During photosynthesis, which one of the following comes from water
A. Q.146
Page 10
Coversion of energy in the food to ATP
✓
C.
✓
A.
CH3is replaced by CHO
B.
CHO is replaced by CH3
C.
NH2is replaced by PO4
D.
C2H5is replaced by CHO
Conversion of chemical energy to mechanical energy Which group differs in chlorophyll b as compared with a
Two hydrogen or two electrons are removed in which step of glycolysis A.
Preparatory
B.
Assimilatory
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✓
Q.164
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A.
Ma x of mitochondria
B.
Xylem ssues of higher plants
C.
Nucleus of all prokaryo c and eukaryo c cells
D.
All of above
A.
Cyclic
C.
A and b
Q.175
D.
None
B.
Xanthophylls
C.
Carotenoids
D.
Terpenoids
A.
Hill reac on
B.
Uphill reac on
C.
Black man reac on
D.
Hoffmann reac on
B.
Rubisco
D.
Mysoin
Most abundant protein on earth A.
Cellulose
C.
Ac n
✓
Which of the wavelength is mainly absorbed by the chlorophyll during photosynthesis
✓
A.
Violet-blue and orange-red
B.
Violet-blue and red only
C.
Green and yellow
D.
Blue and green
Respira on is the universal process by which organisms breakdown complex compounds containing: A.
Calcium
B.
Copper
C.
Carbon
D.
Cobalt
Which chlorophyll is found in all photosynthe c organisms except photosynthe c bacteria A.
Chl. d
C.
Chl. d
✓
B.
Chl. c
D.
Chl. a
Which of the following is not true about photosystem I A.
Photosystem I absorb 700nm wavelength
B.
Photosystem I has chlorophyll molecules
C.
Photosystem I absorb 650nm wavelength
D.
Photosystem I absorb light first
The pigment par cipa ng in electron transport chain is:
✓
A.
Cytochrome
B.
Phycocyanin
C.
Phycoerythrin
D.
ChlorophyII
B.
Assimilatory power
D.
None
NADPH2is the reducing power while ATP is the A.
Oxidizing power
C.
Spli ng power
✓
The major sites of photosynthesis in most plant are: A.
Roots
C.
Flowers
✓
B.
Stems
D.
Leaves
Pyruvic acid (pyruvate) is the end product of: Krebs cycle Urea cycle
Plants appear green due to A.
Absorp on of green light by the leaves
C.
Absorp on of yellow-green light by the leaves
B.
Calvin cycle
✓
D.
Glycolysis
✓
B.
Reflec on of green light by the green parts
D.
All of these
Which of the following reac on does not take place in animals:
✓ Q.174
Non-cyclic
Chlorophylls
C.
Q.173
B.
A.
A. Q.172
✓
Dark reac on is also called as:
✓ Q.168
None of these
The accessory photosynthe c pigments present in the chloroplasts include yellow and red to orange:
✓ Q.166
D.
Photophosphoryla on involving photosystem I and Photosystem II is called
✓ Q.163
Oxida ve
Krebs cycle occurs in:
✓ Q.162
C.
Page 11
A.
Glycolysis
B.
Lac c and ferenta on
C.
Alcoholic fermenta on
D.
Krebs cycle
The moment when there is no net gaseous exchange between the leaves and the atmosphere is called A.
Conserva on point
C.
No respira on
✓
B.
Compensa on point
D.
No photosynthesis
Which wavelengths are absorbed by carotenoids
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Q.186
Q.188
B.
600 nm
C.
500 - 600 nm
D.
700 nm
A.
ATP
B.
ADP
C.
AMP
D.
GTP
B.
H2
✓
D.
A and C
B.
10 - 20%
✓
D.
1 - 2%
A.
NADPH2
C.
ATP
Stomata cover only ______ percent of the leaf surface A.
99%
C.
1%
In light reac on, ATP is synthesis using energy of sunlight. This process is called: A.
Phosphoryla on
C.
Oxida ve Phosphoryla on
✓
Q.190
Q.191
B.
Photophosphoryla on
D.
Chemical Phosphoryla on
A.
Glucos-6-phosphate is formed
B.
Fructose-6-phosphate is formed
C.
Glucos-5-phosphate is formed
D.
Fructose-6-phosphate is formed
Phtosynthesis is:
✓
A.
An anabolic process
B.
A catabolic process
C.
A metabolic process
D.
None of these
Chlorophylls and heme are closely related, however differ from:
✓
A.
Heme has iron and no phytol tail
B.
Hema has iron and a phytol tail
C.
Hame has magnesium and no phytol tail
D.
Hema has magnesium and a phytol tail
The carotenes are red to: A.
Blue
B.
Yellow
C.
Orange
D.
Green
Complete the following equa on for aerobic respira on: Glucose + oxygen ---------->? A.
CO2+ H2O + 38 ATP
B.
CO2+2 ATP
C.
H2O + CO2+38 ADP
D.
CO2+ 2 ADP
______ is the most abundant protein in chloroplast and probably the most abundant protein on earth A.
Ribisco
C.
Stroma
✓
B.
Rubisco
D.
Hexokinase
In chemiosmosis, the hydrogen ions move down their gradient through special complexes called: A.
Plastocyanin
B.
Haemocyanin
C.
ATP synthase
D.
FAD reductase
Photosynthe c prokaryotes lack chloroplasts but they do have unstacked photosynthe c membranes which work like A.
Granum
C.
Lamella
✓
B.
Thylakoid
D.
Intergrana
Which one of these is not concerned with electron transport chain: A. C.
Q.189
✓
In the preparatory phase of glycolysis
✓ Q.187
500 nm
The reducing and assimilatory powers of photosynthesis are
✓
Q.185
A.
A kind of chemical link between catabolism and anabolism and anabolism is:
✓ Q.184
Page 12
An electron carrier called plastoquinone (pq). A copper containing protein called plastocyanin (Pc) Kelvin cycle is the A.
Energy producing step
C.
O2produc on step
B.
A complex of two cytochromes
✓
D.
A pigment called haemocyanin
✓
B.
Product synthesis step
D.
All of these
B.
3
D.
Several
Chl exists in how many forms A.
2
C.
Single
✓
The energy stored in carbohydrates is released in a controlled manner by the process of A.
Respira on
B.
Glycolysis
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C.
A.
NAD
C.
GTP
Q.197
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Q.207
Kreb cycle
✓
B.
Citric acid cycle
D.
Both b and c
B.
Mesosome
C.
Thylakoids
D.
Thalacoids
A.
Stoma
C.
Chloroplast membranes
✓
B.
Thylakoid membranes
D.
None of these
A.
porpyrin
B.
tail
C.
phytol
D.
nostale
Which of the following is involved in the light reac on of photosynthesis A.
ATP is phosphorylated
C.
RuBP is reduced
✓
B.
ADP is phosphorylated
D.
rduced NADP is oxidized
About 2% of energy present within chemical bonds of glucose is converted into ATP during
✓
A.
Anaerobic respira on
B.
Aerobic respira on
C.
Fermenta on
D.
Krebs cycle
Chlorophyll molecule contains --------------- instesed of iron in the blood hemoglobin A.
Calcium
B.
Potassium
C.
Magnesium
D.
Iron
B.
O2
D.
ATP
B.
Produc on of pyruvic acid
D.
All of these
Which is not the end product of photosynthesis Glucose H 2O
✓
Glycolysis is the process of A.
Breakdown of glucose
C.
ATP synthesis
✓
Chloroplast has a double membrane envelope that encloses dense fluid-filled region
✓ Q.204
ATP
Cristae
C.
Q.203
FAD
A.
A. Q.202
B. D.
Tail a ached to pyrrole ring is called
✓ Q.201
✓
Electron transport chain
Photo systems in green plants are located in the
✓ Q.198
ETC
Which fo the following process does not take place during chemiosmosis: B. Movement of H+ through electron transport ✓ A. Synthesis of NADH chain D. Movement of H through electron transport C. Synthesis of ATP chain A system of membrane in the stroma forms an elaborate interconnected set of flat, disk like sacs called
✓ Q.196
D.
Pyruvic acid inters into ----------------- a er glycolysis process C.
Q.195
Glycolysis and respira on
Mitochondria play a part in cellular respira on by transferring the energy of the organic molecules to the chemical bonds of:
A. Q.194
Page 13
A.
Matrix
B.
Cytosol
C.
Stroma
D.
Chlorophyll
Chlorophylls absorb mainly violet-blue and -------wave lengths.
✓
A.
Orange-red
B.
Orange-yellow
C.
Yellow-red
D.
Infra-red
Pyruvic acid (pyruvate), the end product of glycolysis, does not enter the----------cycle directly. A.
Calvin
C.
Malvin
✓
B.
Krebs
D.
Malvin-calvin
Which of the molecules capture light energy and transfer in the form of elec ons A.
Photons
C.
Porphyrin ring
Engelmann obtained the A.
Absorp on spectrum
✓ ✓
B.
Antenna molecules
D.
Hydrophobic tail of chlorophyll
B.
Ac on spectrum
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✓
Q.222
Q.223
Q.224
A.
Cytosol
B.
Glycolysis
C.
Anaerobic respira on
✓
D.
All
A.
Dura on of light
C.
Size of leaf
B.
Quan ty of light
✓
D.
Both (a)&(b)
A.
Keto sugar
B.
Protein
C.
Glycoprotein
D.
Aldo-sugar
The first step in glycolysis is the transfer of a phosphate group from ATP to: A.
Glycerol
C.
Fructose
✓
B.
Glucose
D.
Pyruvic acid
B.
Respira on
D.
B and C
The presence of free oxygen made possible the evolu on of A.
Glycolysis
C.
Photorespira on
✓
Each photsystem has a light gathering complex called A.
Receptor
B.
Sensilla
C.
Antenna
D.
Booster
Thylakoid membranes are involved in ATP synthesis by: A.
Photolysis
B.
Phosphoryla on
C.
Chemiosmosis
D.
Redox process
Synthesis of ATP in the presence of oxygen is called:
✓
A.
Oxida ve phosphoryla on
B.
Reduc ve phosphoryla on
C.
Photophosphoryla on
D.
Redox phosphoryla on
B.
reduc on
D.
All of Above
Phases of Calvin cycle involves A.
carbon fixa on
C.
regenera on
✓
Each photoexcited electron passes from the primary electron acceptor of photosystem II to photosystem I via: A.
Electron transport system
B.
Proton transport chain
C.
Electron transport chain
D.
Photon transport chain
Which of the site where carboxyla on takes place in the chloroplast
✓
A.
stroma
B.
thylakoide membrane
C.
chloroplast membrane
D.
all of these
B.
ATP
D.
None
Cyclic photophosphoryla on occurs when there is shortage of A.
NADPH2
C.
A and B
✓
Through which of the following substances the photosystem 1 passes an electron to NADP during light reac on
✓ Q.221
Rate of photosynthesis
RUBP is a 5 carbon
✓ Q.218
D.
Rate of photosynthesis is independent of:
✓ Q.215
Both a & b
Glucose molecule splits into two molecules of Pyruvic acid in
✓ Q.214
Page 14
A.
Plastocyanin
B.
Cytochrome
C.
Ferredoxin
D.
Plastoquinone
B.
NADPH2
D.
FADPh2
Which of the reducing power in the dark reac on centre A.
ATP
C.
NADP
✓
The main photosynthe c pigments are:
✓
A.
Chlorophylls
B.
Xanthophylls
C.
Carotenoids
D.
Terpenoids
A special molecule associated nearby each reac on center is called:
✓
A.
Primary electron acceptor
B.
Secondary electron acceptor
C.
Ter ary electron acceptor
D.
Quaternary electron acceptor
Yellowing of plants is due to absence of
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Q.227
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A.
calcium
B.
chlorophyll
C.
magnesium
D.
nitrogen
Absorp on spectrum for chlorophyll indicates that absorp on is maximum in: A.
Red & green parts
C.
Orange & violet parts
A.
Light
C.
Ac on poten al
Q.231
Q.232
Q.234
Q.235
Q.236
Q.237
Q.239
Q.240
Blue & red parts
B.
Chlorophyll
✓
D.
Pigment
A.
Cellular process
C.
Anabolic process
B.
Catabolic process
✓
D.
Both (a)&(b)
B.
Yellow colour
D.
Violet-blue colour
Green colour Indigo colour
✓
In primi ve cells and in some eukaryo c cells, pyruvic acid anaerobically breaks down into
✓
A.
C2H5OH + CO2
B.
CH3OH + CO2
C.
Lac c acid + CO2
D.
None
The chlorophylls found in photosynthe c bacteria are known as: A.
Photochlorophylls
C.
Bacillochlorophylls
✓
B.
Bacteriochlorophylls
D.
Spirochlorophylls
During cylic photophosphoryla on energy molecules are obtained in the form of A.
ADP
C.
GTP
✓
B.
ATP
D.
ATP & NADPH2
Chloroplasts are the pigments that absorb visible light at the rate of A.
340-750nmm wavelength
B.
310-750nmm wavelength
C.
380-750nmm wavelength
D.
350-750nmm wavelength
Cytochromes are electron transport intermediates containing Haem related A.
Coenzymes
C.
Ac vator
✓
B.
Prosthe c group
D.
None of these
Phtosynthe c pigments are organized into clusters in thylakoid membranes, these clusters are called A.
Chloroplast
C.
Antenna system
An atom of magnesium is present in the center of: A.
Pyranose rings
C.
Pyrrole rings
What is correct about energy changes in living cell? A. Free energy transfer, then energy transforma on C. Both occur discon nuously
✓ ✓ ✓
B.
Photosystems
D.
All
B.
Porphyrin rings
D.
Phytol rings
B.
Free energy transforma on, then energy transfer Both occur con nuously
D.
ATP synthesis during _______electron flow is called non-cyclic photophosphoryla on.
✓ Q.238
D.
Chlorophyll absorbs mainly wavelengths of:
✓ Q.233
Green & yellow parts
Respira on is a :
C.
Q.230
✓
B.
A graph plo ng absorp on of light of different wave lengths by a pigment is called:
A. Q.229
Page 15
A.
Cyclic
B.
Con nuous
C.
Non-cyclic
D.
Gradual
B.
C6H12O6 + O2 + H2O
D.
C6H12O6 + CO2 + H2O
The net by products of photosynthesis are A.
C6H14O6+ O2+ H2O
C.
C11H22O11 + O2 + H2O
✓
In muscles of human, Pyruvic acid is anaerobically broken down into
✓
A.
Lac c acid
B.
Ace c acid
C.
Lac c acid + CO2
D.
All
How much energy is converted ATP by the by alcoholic or lac c acid fermenta on of glucose A.
20%
C.
0.2%
✓
B.
2%
D.
1%
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Q.243
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Source of oxygen in glucose is
✓
Q.250
Q.251
Q.252
✓
✓
Q.257
Both a & b
D.
None of these
B.
Xanthophylls
D.
All of these
A.
Carotenes
C.
Chl. B
✓
A.
2
B.
3
C.
4
D.
6
A.
Photorespira on
C.
Dark reac on
A.
Energy consuming process
C.
Energy consuming process
✓ ✓
B.
Light reac on
D.
Glycolysis
B.
Energy yielding process
D.
None of these
A.
Head is hydrophilic and tail hydrophobic
B.
Head hydrophobic and tail hydrophilic
C.
Head and tail both hydrophilic
D.
head and tail both hydrophobic
Forma on of ATP from the oxida on of glucose is called A.
Breathing
B.
External respira on
C.
Cellular respira on
D.
All
During non-cyclic phosphoryla on, an enzyme called NADP reductase transfers the electron form fd to NADP resul ng high energy NADPH: A.
It is reduc on reac ons
B.
It is oxidizing reac on
C.
It is redox reac on
D.
None of the above
The enzyme ribulose biphosphate carboxylase, is also known as:
✓
A.
Rubisco
B.
Ribica
C.
Ribuca
D.
None
The thylakoids are stacked in columns called
✓
A.
Grana
B.
Intergrana
C.
Granulocyte
D.
None
How much energy in u lized in the synthesis of one molecule of glucose: A.
6.68. cal
C.
696 k.cal
✓
B.
673 k.cal
D.
666 k.cal
Photosynthesis is a ______ process A.
Oxida on
B.
Reduc on
C.
Redox
D.
Catabolic two molecules of carbon compounds are combine five carbon molecule is formed
What happens, when conversion of RuBP to GP A.
ATP is formed
B.
C.
a molecule of carbon dioxide is accepted
D.
Each mitochondrion has an outer smooth membrane while the inner membrane is folded to form A.
Granum
B.
Mesosome
C.
Cristae
D.
Cisternae
If the rate of transloca on of food is slow then the rate of photosynthesis will:
✓ Q.256
C.
A chlorophyll molecule has two parts, head and tail
✓ Q.255
H 2O
The oxida on of phosphoglyceraldehyde (PGAL) is a
✓ Q.254
B.
Energy capturing process in plants is
✓ Q.253
CO2
How many NADH2are u lized fermenta on per glucose molecule?
✓ Q.249
A.
Who broaden the energy u liza on in photosyntesis
✓ Q.248
Page 16
A.
Increase
B.
Decrease
C.
Remain the same
D.
Inner wall of chloroplast
Photosynthesis is process in which inorganic compounds are reduced to organic compounds using A.
heat energy
C.
chemical energy
✓
B.
light energy
D.
electrical energy
There is a chemical link between anabolism and catabolism in form of
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ATP
D.
ASP
A.
Respira on
C.
Chemosynthesis
✓
B.
Photosynthesis
D.
Decomposi on
A.
Stroma
B.
Intergrana
C.
Thylakoid
✓
D.
Hydrophobic part of thylakoid
A.
Porphyrin
B.
Pyrrole
C.
Phytol
D.
Haem
Chemical formula of chlorophyll 'a' is
✓
A.
C55H72O5N4Mg
B.
C55H70O5N4Mg
C.
C55H77O5N4Mg
D.
None
Melvin Calvin performed his experiments on A.
Chlorella
B.
Diatoms
C.
Spirogyra
D.
Plants
Carbon-dioxide enters the leaves through stomata and get dissolved in the water absorbed by the cell walls of A.
Palisad cells
B.
Spongy cells
C.
Mesophyll ssue
D.
Vascular bundle
The quan ta ve study of energy rela onships and energy conversion in biological systems is called
✓ Q.265
both A and B
B.
Long hydrocarbon tail of chlorophyll is called
✓ Q.264
C.
✓
Chlorophylls are embedded in the membrane of
✓ Q.263
ADP
The molecular oxygen began to accumulate slowly in the atmosphere with the emergence of
✓ Q.261
A.
Page 17
A.
Energy conserva on
B.
Metabolism
C.
Bioenerge cs
D.
Thermodynamics
B.
Cytochrome
D.
Chromophore
Iron - Porphyrin- protein complex is present in: A.
Chlorophyll
C.
Phytochrome
✓
Calvin cycle occurs in
✓
A.
Stroma
B.
Mitochondria
C.
Grana
D.
Cytochrome
B.
Require sunlight as an energy source
D.
Are method of autotrophic nutri on
Chemosynthesis and photosynthesis are alki in the a both: A.
Are associated with heterotrophs
C.
Occur in tracheophytes
1st product of dark reac on is A.
3PGA
C.
2,3-DPGA
The first electron acceptor in light reac on of Z-scheme is A.
Plastocyanin
C.
Ferrodoxin
✓ ✓ ✓
B.
3PGAL
D.
RUBP
B.
Plastoquinone
D.
None of these
In how many steps glycolysis consists of:
✓
A.
2
B.
3
C.
4
D.
5
B.
Mitochondrial membrane
D.
Matrix
All oxida ve reac ons of citric acid cycle take place on A.
Cytosol
C.
Cisternae
✓
Out of __________ molecules of G3P only one leaves the Calvin cycle
✓
A.
6
B.
4
C.
5
D.
8
B.
Chl. 'b' and 'c'
D.
Bacterial chlorophyll
Photosynthe c bacteria contains A.
Chl. 'a'
C.
Chl. 'd'
✓
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Reduc on of pyuvic acid is called
Q.279
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D.
Kreb cycle
Ace c acid
B.
Ethyl alcohol
C.
Lac c acid
✓
D.
Acetyl CoA
A.
CO and O unite
C.
Aspar c acid is formed
✓
B. D.
Phosphoglyceric acid is produced Light energy is converted into chemical energy (ATP forma on)
A.
There is less amount of glucose
B.
There is less amount of NADH
C.
There is less amount of ATP
D.
None of above
A.
C55H70O5N4Mg
C.
C55H72O5N5Mg
A.
Non-cyclic electron flow
C.
Both a & b
B.
C55H72O6N4Mg
✓
D.
C55H72O5N4Mg
✓
B.
Cyclic electron flow
D.
None
An enzyme called NADP reductase, transfers the electrons from Fd to A.
NAD
B.
NADPH2
C.
NADP
D.
None
B.
Mg
D.
Zn
Which is a component of chlorophyll? A.
Mn
C.
Fe
Glycolysis takes place in A.
Mitochondria
C.
Both
✓ ✓
B.
Cytoplasm
D.
Chloroplast
This is oxidized compound A.
CO2
B.
H 2O
C.
Both a & b
D.
(CH2O)n
B.
Kelvin cycle
D.
Citric acid cycle
Dark reac on in plants is also called A.
Kreb cycle
C.
ETC chain
✓
Chlorophyll a shows absorp on peak at
✓
A.
430nm, 670nm
B.
400nm, 700nm
C.
350nm, 600nm
D.
None of these
The part of the spectrum which is absorbed by the pigment is called A.
Ac on spectrum
B.
Adsorp on spectrum
C.
Absorp on spectrum
D.
None
The water spli ng step of photosynthesis that releases oxygen is called: A.
Hydrolysis
C.
Dehydrolysis
✓
B.
Lysis
D.
Photolysis
Thylakoid sacs are stacked in columns called: A.
Stroma
B.
Crista
C.
Grana
D.
Cisterna
Photosynthe c pigments are the substances that absorb visible light having wave length:
✓ Q.290
A.
Only photosystem I is involved in:
✓ Q.289
Fermenta on
Chemically chlorophyll 'a' is
✓ Q.287
Glycolysis
B.
Cyclic phosphoryla on starts when:
✓ Q.284
C.
✓
Photophosphoryla on is the process in which:
✓ Q.281
Aerobic
During oxida on of pyruvic acid, it is 1st converted into
✓ Q.278
A.
Page 18
A.
150-340 nm
B.
230-450 nm
C.
380-750 nm
D.
420-840 nm
Primary electron acceptor of photosystem 2 phases its electrons to
✓
A.
PQ
B.
PC
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✓
C.
Both of these
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Water
D.
None of these
Only 1%
B.
5%
C.
10%
D.
25%
A.
Sugar produc on
C.
Sugar consump on
✓
B.
ATP produc on
D.
ATP consump on
A.
Photosynthesis
B.
Plants
C.
Sun
D.
None
B.
Porphyrin
D.
Ketone compound
B.
DNA
D.
All of above
Haem por on of the Haemoglobin is A.
Phytol
C.
Acetyl
✓
Phosphorous is present in A.
ATP
C.
RNA
✓
The NADPH2molecule will provide reducing power for the synthesis of sugars in the A.
Kreb's cycle
B.
Glycolysis
C.
Calvin cycle
D.
None
B.
Thermodynamics
D.
All
Biological energy transforma ons obey the laws of A.
Thermo-regula on
C.
Law of conserva on
✓
Inhibi on of photosynthesis under increased level of oxygen refers to: A.
Law of minimum
B.
Blackman's law of limi ng factor
C.
Walburg's effect
D.
Liebig effect
How many CO2molecules are inserted into one Calvin cycle per RUBP A.
1
B.
2
C.
3
D.
4
B.
Occurs in cytosol
D.
Begins with glucose
Which of these is not true of fermenta on: Net gain of only two ATP NADH donates electrons to electron transport system
✓
The entry of carbon dioxide into the leaves depends upon the opening of:
✓ Q.303
B.
A.
A. C. Q.302
✓
Earth is powered by
✓ Q.301
CO2
NADP reductase
Chemiosmosis is the process that uses membranes to couple redox reac ons to:
✓ Q.300
A.
D.
What percentage of radiant energy available is u lized by green plants in their photosynthesis?
✓ Q.298
Fd
During photosynthesis oxygen comes from
✓ Q.295
Page 19
A.
Guard cells
B.
Hydathodes
C.
Stomata
D.
Pores
The photosynthesis acts are:
✓
A.
Energy capturing process
B.
Energy releasing process
C.
Energy distribu ng process
D.
Energy tracing process
Which is primary product of photosynthesis
✓
A.
G3P
B.
Glucose
C.
Fa y acid
D.
Starch
During photosynthesis when PGA is changed into phosphoglyceraldehyde which of the following reac on occurs? A.
Oxida on
C.
Hydrolysis
Keeping in mind krab cycle, which statement is correct: A. Five out of ever six PGAL molecules regenerate to form 5 RuBP molecules ✓ C. Five out of every six PGAL molecules regenerate to form 3 RuBP molecules
✓
B.
Reduc on
D.
Electrolysis
B.
Three out of every six PGAL molecules regenerate to form 5 RuBP molecules Both (a) and (b)
D.
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Which of the statement about carotenoids is true
✓
Q.320
Q.321
Q.323
Caroteins absorb yellow light
B.
Caroteins do not absorb blue-violet light
C.
Caroteins absorb red light
D.
Caroteins absorb green light
A.
Absorp on spectrum
C.
A and B
✓
B.
Ac on spectrum
D.
None
The most abundant protein is found in:
✓
A.
Liver
B.
Brain
C.
Mitochondria
D.
Chloropasts
Chlorophyll that exists in several forms differing slightly in their red absorbing peaks e.g., at 670, 680, 690, 700 nm is:
✓
A.
A
B.
B
C.
C
D.
D
Aqua c photosynthe c organisms use carbon present in H2O in A.
Dissolved CO2
C.
Soluble carbonates
✓
B.
Bicarbonates
D.
All
Free energy in the electron transport chain is produced in the form of ATP a er
✓
A.
Oxida on of NADH by coenzyme Q
B.
Oxida on of NADPH by coenzyme Q
C.
Reduc on of NADH by coenzyme Q
D.
Reduc on of NADPH by coenzyme Q
Chemical link between catabolism & anabolism is provided by
✓
A.
ATP
B.
ADP
C.
AMP
D.
None of these
B.
380 - 750 nm
D.
A and B
The radia ons most important to life are the A.
Visible light
C.
Ultraviolet
✓
A.
Pyruvic acid
✓
C.
Ethyl alcohol
C3H6O3is
B.
Lac c acid
D.
Acetyl CoA
B.
Chlorophyll a & d
D.
Chlorophyll a & b
Pigment found in embryophytes & only green algae A.
Chlorophyll a & c
C.
Chlorophyll b & c
✓
Pyruvic acid is consumed by how many ways in different kinds of respira on
✓
A.
2
B.
3
C.
4
D.
6
The main photosynthe c pigments are A.
Carotene
B.
Xanthophyll
C.
Chlorophylls
D.
Phycocyanin
The path of electrons through the two photo-systems during non-cyclic photophosphoryla on is known as:
✓
A.
Z-scheme
B.
Electron transport chain
C.
N-scheme
D.
D-scheme
B.
Anabolism
D.
Respira on
ATP is a kind of chemical link between catabolism and A.
Metabolism
C.
Photosynthesis
✓
Which is red to orange and yellow
✓ Q.322
A.
The part of the spectrum which is effec ve in photosynthesis is called
✓ Q.319
Page 20
A.
Chl. A
B.
Chl. b
C.
Carotenoids
D.
Xanthophylls
In yeast pyruvic acid is converted into
✓
A.
Ethyl alcohol
B.
Lac c acid
C.
Ace c acid
D.
Fumaric acid
B.
Digestron
In which reac on free energy is not required: A.
Respira on
✓
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Fermenta on
Chlorophyll (a) has ability to absorb wave length of light A.
blue-red
C.
yellow green
✓
D.
Alcoholic fermenta on
B.
blue-green
D.
yellow blue
B.
photosynthe c clusters
D.
photo system
Organiza on of photosynthe c pigments into clusters is A.
photosynthesis
C.
cluster arrangement
✓
Each photosystem consists of a light-gathering antenna complex and a: A.
Ac on center
C.
Spectrum center
✓
B.
Reac on center
D.
Light center
B.
Alcohol
D.
A and B
Chlorophyll is soluble in organic solvents such as A.
CCl4
C.
Benzene
✓
In cyclic photophosphoryla on which one of the following is formed:
✓
A.
NADP
C.
NADH2 + ATP
B.
ATP
D.
NADPH2 + ATP + O3
B.
Alcohol
D.
Water
Chlorophylls are insoluble in: A.
Acetone
C.
Carbon tetrachloride
✓
Which of the following is not true about light dependent reac on ✓ A. ATP produce reducing power to generate B. energy C. D.
Q.331
Page 21
NADPH2
provided assimila ng power to generate energy
In which processes , ATP is used as a raw material? A. C.
Q.332
In ac va on of tRNA B. In reduc on of carbon dioxide during dark ✓ D. reac on of photosynthesis Which of the following is the least effec ve in photosynthesis
✓ Q.333
Q.334
Q.336
Q.338
A.
Red light
B.
Blue light
C.
Green light
D.
Visible spectrum
A.
Mesophyll cells
C.
Lower cpidermis
✓
B.
Leaf cells
D.
Guard cells
A.
Cytoplasm
B.
Golgi bodies
C.
Mitochondria
D.
Endoplasmic re culum
A compound which is found in all living cells and play a key role in energy transforma ons is A.
ADP
C.
chlorophyll
✓
B.
ATP
D.
granum
Which is found in all photosynthe c organisms except bacteria A.
Chl. D
B.
Chl. b
C.
Chl. a
D.
Carotenoids
B.
Products
D.
None
In photosynthesis the glucose and oxygen are the: A.
Reactants
C.
Both a & b
✓
All the animal can use chemical energy in the food such as
✓ Q.339
All of these
Enzyme involved in cellular respira on are found in:
✓ Q.337
In replica on and transcrip on of RNA
Daily rhythmic opening and closing of stomata is due to an internal clock located in the
✓ Q.335
ATP provide chemical energy provided reducing power to generate NADPH2 energy
A.
Carbohydrates
B.
Proteins
C.
Lipids
D.
All
B.
Is called the photophosphoryla on process
ATP synthesis in plants A.
Is called the phosphoryla on process
✓
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✓
Q.344
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All of these
A.
Acetyl CoA
B.
Acetyl Cob
C.
Acetyl acetase
D.
None of these
A.
Hydrolysis
B.
Photo-oxxida on
C.
Photolysis
D.
All
The first step in Krebs or citric acid cycle is the union of acetyl CoA with oxaloacetate to form: A.
Isocitrate
B.
a-ketogluterate
C.
Citrate
D.
Malate
B.
Red - green
D.
Yellow - green
Chlorophyll 'a' is blue-green while chlorophyll 'b' is A.
Orange - green
C.
Violet - green
✓
Chlorophylls are soluble in
✓
A.
organic solvents
B.
inorganic solvents
C.
organic solutes
D.
inorganic solutes
The membrane found in stroma form an elaborate interconnected set of flat, disc like sacs called: A.
Alkaloids
C.
Thaloids
Spli ng of water during photosynthesis is called A.
Hydrolysis
C.
Phosphoryla on
✓
B.
Thylakoids
D.
Discoids
B.
Photolysis
D.
None
B.
Reduc on
✓
D.
Oxida on
✓
B.
Caroteins >>>>> Chlorophyll b >>>>> chlorophyll a Chlorophyll a >>>>> Chlorophyll b >>>>> caroteins
✓
Which is not a step of the calvin cycle: A.
Carbon fixa on
C.
Regenera on of CO2 acceptor (RuBP)
Which of the following is true about transfer of energy A. Caroteins >>>>> Chlorophyll a >>>>> chlorophyll b C. Caroteins >>>>> xanthphyll >>>>> chlorophyll b
D.
Chlorophylls are soluble in organic solvents such as: A.
Acetone
C.
Carbon tetrachloride
✓
B.
Alcohol
D.
All a, b, c
The product of ini al carbon fixa on is a three carbon compound, so the calvin cycle is also known as A.
C2pathway
C.
C4pathway
✓
B.
C3pathway
D.
A and C
The head is a complex
✓ Q.352
D.
The water spli ng step of photosynthesis that releases O2is called
✓ Q.343
Is called the ETC process
The first enzyme of citric acid cycle is the
✓ Q.342
Page 22
A.
Parphyring ring
B.
Tetrapyrrole
C.
Mg-tetrapyrrole
D.
All
When red light was combined with light of shorter wavelength, the rate of photosynthesis showed sudden enhancement. This is called:
✓
A.
Enhancement reac on
B.
Photochemical effect
C.
Emerson effect
D.
None of these
E. Q.353
Q.354
Q.355
Which most abundant protein on earth is:
✓
A.
Rubisco
B.
RuBP
C.
Myelin
D.
Fibrinogen
Which enzyme or protein in green plants is most abundantly found? A.
Protease
C.
Ribolose -1, 5- diphosphate
✓
B. D.
Zymase Ribulose biphosphate carboxylase / oxygenase enzyme (RuBICO)
In yeast the products of anaerobic respira on are:
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C.
Lac c acid
✓
B.
Ethyl alcohol
D.
Pyruvic acid
A.
NADP
B.
FAD
C.
ATP
D.
AIDs
The rela ve effec veness of different wavelengths of light in driving photosynthesis is called A.
Absorp on spectrum
C.
Graphic spectrum
Chl-a is A.
Yellow green
C.
Light green
✓ ✓
B.
Ac on spectrum
D.
None of these
B.
Bluish green
D.
Red green
The most common fuel used by the cell to provide energy to cellular respira on is: A.
Glycogen
C.
Galactose
✓
B.
Glucose
D.
Glycerol
B.
Chl, 'b' and 'c'
D.
All
Eukaryo c plants and algae contain chlorophyll A.
Chl. 'a'
C.
Chl. d
✓
Oxida on process of removal of hydrogen is catalyzed by A.
Oxidase
B.
Reductase
C.
Dehydrogenase
D.
Peroxidase
The calvin cycle begins when a molecule of CO2reacts with
✓ Q.363
Methyl alcohol
An enzyme called NADP reductase transfers the electrons from Ferredoxin to:
✓ Q.362
A.
Page 23
A.
Ribose bisphosphate
B.
Ribulose biphosphate
C.
Ribulose bisphosphate
D.
None
B.
Oxida ve phosphoryla on
D.
Both (b)&(c)
In respira on, ATP synthesis is called: A.
Cellular phosphoryla on
C.
Z-scheme
✓
Oxida ve phosphoryla on is the synthesis of _________ in the presence of oxygen
✓
A.
ATP
B.
Glucose
C.
Sugars
D.
Chloroplast
Of the 36 ATP molecules tha tare produced during complete breakdown of glucose, most and due ot the ac on of: A.
Chemisososis
C.
Substrate-level phosphoryla on
✓
B.
The elelctron transport system
D.
Both (a) and (b)
Light is a form of energy called electromagne c energy and behaves as A.
Waves
C.
Photons
✓
B.
Par cles
D.
All
B.
Bioenerge cs
D.
All
B.
chemical energy
D.
electrical energy
Photosynthesis helps us to understand some of the principle of A.
Energy conserva on
C.
Thermodynamics
Chlorophyll converts light energy into A.
heat energy
C.
poten al energy
✓ ✓
Electron transport intermediate is A.
Cytochrome b
C.
Cytochrome a
✓
B.
Cytochrome c
D.
All of above
B.
10%
D.
20%
Total photosynthesis carried out by terrestrial plants is about: A.
5%
C.
15%
✓
If 100 units of sunlight strike on the green parts of plant half of these are not used for such process, why is this so ?
✓
A.
the wavelength is improper
B.
low light intensity
C.
used to evaporate water
D.
converted into heat energy
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Page 24
Which one of the following would not b a limi ng factor for photosynthesis?
✓
A.
Oxygen
B.
CO2
C.
Light
D.
Chlorophyll
Plot showing rela ve effec veness of different wavelengths (colours) of light in driving photosynthesis is called:
✓
A.
Ac on spectrum
B.
Ac on poten al
C.
Absorp on Specturm
D.
Light spectrum
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7 Q.1
Q.2
Q.3
A.
Genome
C.
Cloning
✓
Q.8
Q.9
Q.11
Q.12
Recombinant DNA
DNA
B.
RNA
C.
Amino Acid
D.
Fa y acid
A.
Shoot p
B.
Root p
C.
Both a and b
D.
None of the above
B.
Gene c engineering
D.
PCR
B.
Laciferin
D.
Digitoxin
Cloning Transforma on
✓
Cell suspension cultures of Cinchona ledgeriana produce A.
Quinine
C.
Chloroquinone
✓
Restric on enzymes that cut the DNA at very specific sites characterized by specific sequence of four or six nucleo des arranged symmetrically in the reverse order. Such sequences are known as A.
Palindromic sequences
B.
Reverse sequences
C.
Both a & b
D.
None of the above
Continuous addition of sugars in 'fed batch' fermentation is done to A.
Degrade sewage
C.
Obtain antibiotics
✓
B.
Produce methane
D.
Purify enzymes
B.
Herbicide resistance
D.
Gene pharming
Which one is not use of transgenic plants: A.
Pest resistance
C.
Increased chemical content
✓
Biotechnology has A.
No history
B.
Old history
C.
New subject
D.
None of these
B. D.
Measures the size of plasmids Measure the change and size of proteins and DNA fragments
Gel electrophoresis: A.
Can not be used nucleo des
C.
Tells whether viruses are infec ons
E.
All of these
✓
Some mining companies are tes ng gene cally engineered organisms that have improved: A.
Rate of reproduc on
C.
Bio-fowling capabili es
✓
B.
Rate of muta on
D.
Bioleaching capabili es
pBR-322 has an bio c resistant gene for
✓ Q.13
D.
A very useful method of DNA finger prin ng is:
✓ Q.10
Genomic library
If the correct propor ons of auxins and cytokinin are added to a liquid medium, many new shoots will develop from a single
✓
Q.7
B.
A.
C.
Q.6
✓
A probe is a single stranded nucleo de sequence that will hybridize (pair) into a certain piece of:
A. Q.5
Biotechnology
A collec on of bacterial or bacteriophage clones, each clone containing a par cular segment of DNA from the source cell is:
✓
Q.4
Page 1
A.
Tetracycline
B.
Ampicillin
C.
Both of them
D.
Steptomycin
The products produced by gene cally engineered organisms are called:
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A.
Gene c products
B.
Engineered products
C.
Biotechnology products
D.
Technical products
Industry has found that bacteria can be used as biofilters to prevent airborne chemical pollutants from being released into the: A.
Atmosphere
C.
Soil
✓
Q.24
Q.25
GAATTC
B.
CITAAG
TTAA
D.
AATT
A.
Microporpaga on
B.
Magapropaga on
C.
Both a and b
D.
None of the above
A.
Ligase
C.
Helicase
✓
Q.28
B.
Polymerase
D.
Primase
A.
Digitoxin
B.
Resochin
C.
Quinine
D.
Polludrin
The DNA from a single sperm is enough to iden fy a suspected: Child Zygote
✓
B.
Women
D.
Rapist
It is the inser onof gene c material into human cells for treatment of disease: A.
Chemotherapy
B.
Radiotherapy
C.
Gene therapy
D.
Cloning
During DNA sequencing, separa on of different pieces of DNA is made on
✓
A.
Agarose gel
B.
Agar
C.
Dextrin
D.
Carrageenan
PSR 322 has an bio c resistance genes for: A.
Tetracycline
B.
Ampicillin
C.
Both a & b
D.
None
Which one is used to prevent clo ng during surgery
✓
A.
An thrombin 3
B.
Thrombin
C.
Fibrinogen
D.
None
An enzyme that can be used to treat a human lysosome storage disease is: A.
B-galactosidase
C.
Glucosidase
✓
B.
a-galactosidase
D.
Invertase
The nucleo de sequence that is iden cal to its complimentary strand when each is read in same chemical direc on.g..GATC: A.
Palindromic sequence
B.
Molecular scissor
C.
Molecular enzyme
D.
Ligase
Combined immunodeficiency syndrome is caused by
✓ Q.27
✓
Cell suspension cultures of digitalis lanata produce
✓
Q.26
Water
In a cell the process of DNA replica on is carried out by an enzyme DNA
✓ Q.23
D.
Tissue culture techniques have by now led to ______ a commercial method of producing thousand, even millions of iden cal seedlings in a limited amount of space
✓
Q.22
Air
C.
C.
Q.21
B.
A.
A. Q.20
✓
Plaindromic sequence for EcoT1restric on enzymes is
✓
Q.17
Page 2
A.
Have an enzyme adenosine deaminase
B.
Lack an enzyme adenosine deaminase
C.
Inhibi on of specific protein produc on
D.
Both a and c
Gene therapy is the inser on of gene c material into human cells for the treatment of
✓
A.
Disorders
B.
Kidney stones
C.
Both a and b
D.
None of the above
In plant ssue culture the first formed cells are termed as
✓
A.
Callus
B.
Tissues
C.
Organ
D.
Root cells
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The inser on of gene c material into human cell for the treatment of a disorder is:
✓ Q.30
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B.
Gene psychoanalysis
C.
Gene therapy
D.
Gene rehabilia on
B.
Transgenic bacteria
D.
None of the above
B.
Two
D.
Four
A.
Vector
C.
Both a and b
A.
One
C.
Three
✓ ✓
Tissue culture is the growth of a ______ in an ar ficial liquid culture medium A.
Tissue
C.
Sex cells
✓
B.
Stem cells
D.
Organ of animal
German botanist Go lieb Haberlandt said in 1902 that plant cells are A.
Vivo potent
C.
Expotent
✓
B.
To potent
D.
None of the above
Which purine is found in RNA?
✓
A.
Guanine
B.
Cytosine
C.
Thymine
D.
Uracil
Restriction endonucleases are used in genetic engineering and they A.
cut DNA at various sites
C.
cut RNA at specific sites
✓
B.
join DNA segments
D.
cut DNA at specific sites
One of the plasmids discovered earlier PSC 101 has an bio c resistance gene for:
✓
A.
Tetracycline
B.
Streptomycin
C.
Neomycin
D.
Chloramphenicol
Ex-vivo gene therapy is used to treat children having:
✓
A.
Severe combined immunodeficiency (SCID)
B.
Acquired immunity deficiency (SCID)
C.
Cys c fibrosis
D.
None of these
The two strands of DNA are held together by bonds of A.
Nitrogen
B.
Oxygen
C.
Hydrogen
D.
Carbon
The cells must likely to be used for cloning of transgenic animals A.
Sperm cells
B.
Soma c cells
C.
Cumulus cells
D.
Egg cells
Cell suspension cultures of Cinchona ledgeriana produce:
✓
A.
Quinine
B.
Digitoxin
C.
Pollu on
D.
An -toxin
B.
Hmilton 1970
D.
Vendrame 1970
B.
addition or removal of genes
D.
all of the above
Restric on enzymes were discovered by A.
Ptrick 1970
C.
Watson 1970
✓
Genetic Engineering is A.
plastic surgery
C.
study of extranuclear genes
✓
One common type of vector is a:
✓ Q.44
Gene c dri
NutraSweet has amino acids
✓ Q.40
A.
Agrobacterium can be used as
✓ Q.39
Page 3
A.
Chromosome
B.
Lysosome
C.
Plasmid
D.
Mitochondria
B.
Granulocytes
D.
B Lymphocytes ( plasma cells)
An bodies are synthesized by A.
The liver
C.
Platelets
✓
A technique in which mature anthers are cultured in medium containing vitamin and growth regulators: A.
Protoplast culture
B.
Meristem culture
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✓
Cells
B.
Tissues
C.
DNA
D.
RNA
A.
Organoid
B.
Organ
C.
Both a and b
D.
Synthoid
The species that grow in saline soil is
✓
A.
Salt tolerance plants
B.
Salt resistant plants
C.
Slat producing plants
D.
Salt leaching plants
What is the benefit of using a retrovirus as a vector in gene therapy? B. It incorporates the foreign gene into the host A. It is not to enter cells chromosomes ✓ D. Both b and c are correct C. It prevent infec on by other viruses
Q.59
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It eliminates a lot of unnecessary steps
Transgenic plants are developed by
✓
A.
Introducing foreign genes
B.
Introducing gene mutations
C.
Deleting certain chromosomes parts
D.
Stopping spindle formation
Maximum number of existing transgenic animals is of A.
Pig
B.
Fish
C.
Mice
D.
Cow
In 1958 Cornell botanist F.C Steward grew a complete carrot plant from a ny piece of. A.
Xylem
C.
Cortex
✓
B.
Phloem
D.
Endodermis
B.
Budding
✓
D.
Asexual reproduc on
B.
Amylase
✓
D.
Restriction endonuclease
Cloning is a form of: A.
Sexual reproduc on
C.
Duplica on
Which enzyme is useful in genetic engineering? A.
DNAase
C.
Lipase
Bitechnology improved the oil produc on in
✓
A.
Soybean
B.
Rice
C.
Egg plant
D.
None of the above
B.
Virus
D.
All of these
Which of following can be used as a vector A.
Plasmid
C.
Metal par cles
✓
This disease causes progressive deteriora on of brain cells and gradual loss of motor control
✓ Q.58
Anther culture
Which one is ar ficial organ used
✓ Q.52
D.
A.
E. Q.50
✓
Callus is undifferen ated group of
✓ Q.47
Cell suspension
Page 4
A.
Cys c fibrosis
B.
SCID
C.
Hun ngton
D.
Spas c paraplegia
B.
Restric on endonucleases
D.
Polymerases
Chromosomes are cut using special enzymes known as: A.
Restric on exonucleases
C.
Ligases
✓
Polyethylene glycol is
✓
A.
Fusogenic chemical
B.
Electro fusion stimulant
C.
Callus stimulant
D.
Differentiation stimulant
B.
Organ culture
D.
Meristem culture
One favourite method to accomplish micro-propaga on is by: A.
Meri Root culture
C.
Tissue culture
✓
Polymerase chain reac on is termed as
✓
A.
PCR
B.
PCB
C.
PCr
D.
All of the above
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A ______ is a full set of genes of an individual
Q.74
✓
Q.76
Q.77
Both a and b
✓
B.
Genomic library
D.
All of the above
A.
Vector
B.
Li er
C.
Carrier
D.
Mover
B.
Glycogen
D.
Enzyme
A.
Vaccine
C.
Protein hormone
✓
Biotechnology has increased the contents of nutrients in plants, which are
✓
A.
Protein
B.
Lipid
C.
Starch
D.
All of the above
Which of the following enzyme joints the okazaki fragments? A.
DNA polymerase
C.
Helicase
✓
B.
DNA ligase
D.
Restriction endonuclease
The most common substrate used in distilleries for the production of ethanol is
✓
A.
Molasses
B.
Corn meal
C.
Soya meal
D.
Ground gram
Phenylalanine is an organic chemical needed to make aspartame. the dipep de sweetener be er known as: A.
Nutra sweetener
C.
Nutra toxin
✓
B.
Dipep de sweet
D.
Nutra sweet
The transgenic animals are those which have A.
foreign DNA in some of their cells
C.
foreign RNA in all of their cells
Thermocycler is A.
PCR process
C.
Primers
✓ ✓
B.
foreign DNA in all of their cells
D.
Both (A) and (C)
B.
PCR machine
D.
Both b and c
The plant 'Brassica napus' has been modified to produce ______. A.
Vitamin A
C.
lysine rich seeds
✓
B.
hirudin
D.
insulin
It is possible to produce millions of soma c embryos at once in large tanks called: A.
Biofi ers
B.
Biomembrane
C.
Bioreactors
D.
Biovat
Which is related to genetic engineering? A.
Plastid
C.
Heterosis
✓
B.
Plasmid
D.
Mutation
Ricinoleic acid is a deriva ves of A.
Oleic acid
B.
Steric acid
C.
Palma c acid
D.
All of the above
Structure involved in genetic engineering is
✓
A.
Plasmid
B.
Codon
C.
Plastid
D.
Scissors
The first hormone artificially produced by bacteria is
✓
A.
insulin
B.
thyroxin
C.
adrenalin
D.
testosterone
Which technique is efficient to use only one millionth of the total DNA sample to amplify it
✓ Q.78
C.
Which would you not expect to be a biotechnology product
✓ Q.75
Genome
The DNA of bacterial viruses for example lambda phage can also be used as a:
✓ Q.73
A.
Page 5
A.
Recombinant technology
B.
Gene pharming
C.
PCR
D.
Gene c engineering
B.
Via cloning vectors
Gene of interest is carried to the host DNA A.
Via cloning vehicles
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EcoR1, a commonly used
Q.92
Q.94
Restric on enzyme
C.
Bacterial enzyme
A.
Double gene
C.
Poly gene
✓
D.
Both b and c
✓
B.
Poly nuclease
D.
All of the above
✓
B.
Single gene
D.
All of the above
B.
Tobacco
D.
Cotton
The first transgenic crop was A.
Pea
C.
Flax
✓
Enzymes are used to digest the cell walls of a small piece of ssue, from a leaf and the result is naked cells without walls, called: A.
Protoplasm
C.
Cytoplast
✓
B.
Protoplasts
D.
Tonoplast
B.
Water-absorbent
D.
Salt-tolerant
Arabidopsis is: A.
Heat-resistant
C.
To potent
✓
To treat haemophilia, pa ents could get regular doses of cells that contain normal: A.
Bleeding-factor genes
C.
Releasing-factor genes
En re genome of an individual can be subjected to A.
Finger prin ng
C.
DNA finger prin ng
Which one is preferable vehicle for biotechnology product: A.
Milk
C.
Saliva
✓ ✓ ✓
B.
Clo ng-factor genes
D.
Congealing-factor genes
B.
RNA finger prin ng
D.
All of the above
B.
Urine
D.
Blood
Some varie es of soybeans have bee gene cally engineered which mainly produce the mono-unsaturated fa y acid: A.
Ace c acid
C.
Palmi c acid
✓
B.
Butyric acid
D.
Oleic acid
A large number of molecules or cells or organisms that are iden cal to an original specimen are said to be: A.
Duplicate
C.
replica
✓
B.
Clone
D.
Gene c copy
The single stranded but complementary ends of the two DNA molecules are called
✓
A.
Flanking end
B.
S cky ends
C.
Producing end
D.
All of the above
Scien sts at the Roslin Ins tute in Scotland announced that they achieved this feat and had produced a cloned sheep called Dolly in A.
1977
B.
1989
C.
1997
D.
2007
It is a slat tolerant plant:
✓
A.
Arabidopsis
B.
Acacia
C.
Shesham
D.
Mango
About three billion base pairs are present in the genome of a
✓ Q.93
A.
PCR can create millions of copies of a
✓
Q.91
By bacteria as cloning vectors
Page 6
A.
Horse
B.
Dog
C.
Man
D.
Monkey
Foreign genes transferred to co on, corn and potato strains have made these plants resistant to pests because their cells now products an insect: A.
An -toxin
C.
Poison
✓
B.
Toxin
D.
Venom
Economically important genes coding for therapeu c and diagnos c proteins are known as
_______________________________________________________________________________________ Almiraj Academy Timber Market Ravi Road Lahore (0331-4033092)
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✓
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✓ ✓
Gene library
D.
Gene sequencing
B.
To replicate the sequence of specific gene
D.
All of these
A.
To produce iden cal copies of gene of interest
C.
To mul ply the gene of interest
✓
A.
Milk
B.
Blood
C.
Plasma
D.
Tissue fluid
A.
Tetracycline
B.
Ampicillin
C.
Both a and b
D.
Noe of the above
A.
Gel electrophoresis
B.
Electrophoresis,
C.
Electrophoroses
D.
Gel electrophoroses
A.
Plasmid
B.
Restric on enzyme
C.
Ligase
D.
Polymerase
B.
1989
D.
1999
DNA sequence of human chromosomes 22 was complete in: A.
1918
C.
1995
✓
Co on, corn, potato and soybean plants have been engineered to be resistant to either: A.
Insect preda on or germicides
B.
Fly preda on or herbicides
C.
Insect preda on or herbicides
D.
Caterpillar preda on or fungiides
The gene of interest is joined with the s cky ends produced a er cu ng the plasmid with the help of another special enzyme known as: A.
DNA ligase
B.
RNA ligase
C.
DNA polymerase
D.
DNA isomerase
Adult transgenic tobacco plants glowered when sprayed with the substrate: A.
Luciferon
C.
Luciferin
✓
B.
Luciferin
D.
Luciferase
Naturally engineered bacteria do an even be er job of cleaning up beaches a er: A.
Milk spills
C.
Urine spills
✓
B.
Oil spills
D.
Alcohol spills
A genomic library can be searched by A.
Probe
B.
Promoter
C.
Primer
D.
Reverse transcriptase
During a process called _________ the genome fragments can be separated according to their lengths: A.
Cataphoresis
C.
PCR
✓
B.
Get electrophoresis
D.
Cloning
Plant tissue culture technique is a redefined method of ________ A.
Hybridization
C.
Asexual reproduction
✓
B.
Vegetative propagation
D.
selection
Coconut milk contains the plant hormone A.
IAA
B.
2 - 4D
C.
Cytokinin
D.
Gibberellins
A er separa ng restric on fragments on agarose gel by electrophoresis DNA is
✓ Q.110
C.
DNA joining enzyme is
✓ Q.109
Gene bank
During PCR and DNA fragment can be separated by
✓ Q.106
B.
pBR 322 has an bio c resistance genes for
✓
Q.103
Gene farming
Urine is preferable vehicle for a biotechnology product than:
✓ Q.102
A.
Polymerase chain reac on
✓ Q.98
Page 7
A.
Blo ed to film
B.
Blo ed to gel
C.
Denatured and blo ed to membrane
D.
All of these could be possible
B.
Interferons
Non coding sequences within genes are called:
✓
A.
Introns
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C.
Both a & c
A.
Beadle
C.
G. Haberlandt
✓
B.
Infer le plants
D.
None
✓
B.
T.H. Morgan
D.
Hamilton O. Smiths
A.
4
B.
6
C.
4 to 6
D.
4 to 8
B.
Forensic science
D.
None
The important applica on of DNA finger prin ng is in A.
Cytology
C.
Gene c engineering
✓
Pa ents of cys c fibrosis o en die due to numerous infec ons of the: A.
Reproduc ve tract
C.
Diges ve tract
✓
B.
Excretory duct
D.
Respiratory tract
Plasmid vectors inside the bacteria are cut with
✓
A.
An enzyme ligase
B.
An enzyme helicase
C.
An enzyme replicase
D.
An enzyme reverse transcriptase
In gel electrophoresis the DNA fragment can be separated according to their A.
Length
C.
Volume
The enzyme that capture CO2in the plant is A.
Mutase
C.
Fructase
Full set of genes of an individual is called A.
Gene cs
C.
Genomic library
✓ ✓ ✓
B.
Height
D.
All of the above
B.
Carboxylase
D.
None of the above
B.
Genome
D.
All of these
Nustrasweet is A.
Phenylalanin
B.
Aspartame
C.
Both a and b
D.
None of the above
B.
Making it from mRNA
D.
All of these
The gene of interest can be got by A.
Isola ng it from the chromosome
C.
Chemically synthesizing it
✓
One type of an body made by corn can deliver radiosotopes to: A.
Malign cells
C.
Lump cells
How many primers are used in PCR A.
1
C.
3
✓ ✓
B.
Tumour cells
D.
Protruding cells
B.
2
D.
4
Dopamine producing cells can be gra ed into the brain of man to cure A.
Epilepsy
B.
Alzheimer disease
C.
Parkinson's disease
D.
SCID
Cys c fibrosis pa ents lack a gene that codes for trans-membrane carrier of the
✓
A.
Potassium ion
B.
Chloride ion
C.
Sodium ion
D.
Calcium ion
The machine that is made for achieving the bio-product
✓ Q.127
Fer le plants
Vector
The number of nucleo des in s cky ends
✓ Q.125
A.
D.
Restric on enzymes were isolated by
✓ Q.121
DNA
Corn and wheat protoplasts produce:
✓ Q.114
Page 8
A.
Biofilter
B.
Analyzer
C.
Bioreactor
D.
All of them
Biotechnologist are trying to convert C3 plant to
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A.
C4 plants
C.
C2 plants
✓
Q.137
Q.139
B.
65%
C.
50%
D.
70%
A.
Insects
C.
Fungi
A.
Quinine
C.
Polludrin
A.
Maxam-Gilbert method
C.
Smith's Gilbert method
A.
RNA
C.
NAD
✓
B.
Nematodes
D.
Viruses
B.
Digitoxin
D.
An -toxin
✓
B.
Sanger's method
D.
Sanford's method
✓
B.
DNA
D.
ATP
In recombinant DNA technology the commonly used enzymes are about
✓
A.
20
B.
25
C.
30
D.
35
Genes that code for therapeu c, and diagnos c proteins are incorporated into the animal's DNA, and the proteins appear in the animals: Urine Sweat
PCR takes its name from: A.
RNA polymerase
C.
DNA ligase
B.
Blood
✓
D.
Milk
✓
B.
DNA polymerase
D.
Endonuclease
The eggs are placed in an agitator with DNA and silicon - carbide needles, and the needles make ny holes through which the DNA can enter. This is called A.
Vortex mixing
C.
Single cell technique
✓
B.
Tissue culturing
D.
Gene pharming
The means by which recombinant DNA is introduced into a host cell is called: A.
Plasmid
B.
Carrier
C.
Vector
D.
Li er
The human genomic is es mated, it could take an encyclopedia of
✓
A.
100 volumes
B.
150 volumes
C.
200 volumes
D.
300 volumes
Cornell botanist F.C. Steward grew a complete carrot plant from a ny piece o f A.
Zygote
B.
Egg
C.
Xylem
D.
Phloem
Genomics is the study of A.
Genes in general
B.
Human genes
C.
Genomes in general
D.
Human genome
B.
Ligases
D.
A and C
The enzyme that cuts the DNA of virus is called as C.
Q.143
✓
Sanford and Klein constructed a device, called the par cle gun, that bombards a callus with:
A. Q.142
CAMP plants
Dideoxyribonucleoside triphosphates are used to terminate into DNA synthesis at different sites in:
✓ Q.141
D.
28%
Cell suspension cultures of Digitalis lanata produce:
✓ Q.140
C5 plants
The process of RNA interference has been used in the development of plants resistant to
✓ Q.138
B.
A.
C.
Q.136
✓
Crop produc on is limited by effect of saliniza on about
A. Q.135
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Endonucleases Restric on enzyme
✓
The enzymes required to obtain wall-free / naked protoplasts are A.
Cellulase and proteinase
C.
Cellulase and amylase
✓
B.
Cellulase and pectinase
D.
Amylase and pectinase
Cloning of a gene can be done by
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PCR
C.
Both
D.
Gene therapy
B.
Biofilters to prevent airborne pollutants
D.
Green revolu on
A.
Human growth hormone produc on
C.
Removal of sulphur form coal
✓
A.
Digitoxin
B.
Resochin
C.
Quinine
D.
Polludrin
A.
penicillin
B.
Streptomycin
C.
Tetracycline
D.
Aampicllin
Today bacteria, plants and animals are gene cally engineered to produce: A.
Gene c products
B.
Engineered products
C.
Biotechnology products
D.
Technical products
Which of these is benefit is having insulin produced by biotechnology? A.
it is just as effec ve
C.
it is non allergic
E.
all of these are correct
✓
B.
it can be mass produced
D.
it is less expensive
Which one of the following muta ons is not heritable? A.
Game c
B.
Inversions
C.
Soma c
D.
Point
Which will survive in medium having ampicllin and tetracuclaine
✓
A.
PBR 322
B.
PSC 101
C.
BOM
D.
None of these
Cys c fibrosis pa ents lack a gene that codes for tans-membrane carrier of the A.
Calcium ion
C.
Iron ion
✓
B.
Chloride ion
D.
Sodium ion
B.
DNA polymerase - PCR
D.
DNA ligase-mapping human chromosome
Which of these is incorrectly matched? A.
Protoplast-plant cell engineering
C.
RFLPs - DNA Fingerprin ng
✓
Natural extra chromosomal circular DNA molecules in bacteria are: A.
Vectors
C.
Plasminogen
✓
B.
Plasmids
D.
Plasmasol
Restriction endonucleases are used in genetic engineering, because
✓ Q.155
B.
Plasmid pSC 101 has an an bio c resistance gene for:
✓ Q.150
Recombinant DNA technology
The means by which recombinant DNA is introduced into a host cell is called
✓ Q.148
A.
Which one is not the use of transgenic bacteria?
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A. C.
they can degrade harmful proteins they can cut DNA at specific base sequences
B.
they can join DNA fragments
D.
they can cut DNA at variable sites
Meristem is:
✓
A.
Virus free
B.
Bacteria free
C.
Fungi free
D.
Pathogen free
Since a whole plant will grow from a protoplast, it is necessary only to place the foreign gene into a
✓
A.
Living protoplast
B.
Living cell
C.
Even dead cell
D.
Living egg
Gene c engineering
✓
A.
To insert gene of our interest
B.
Any gene
C.
Any DNA
D.
All of these
The enzyme obtain from thermophilic bacteria is also known as
✓
A.
Polymerase
B.
Taq polymerase
C.
Iso-polymerase
D.
None of the above
B.
Blood producing cells
Bone marrow stem cells are
✓
A.
Mature cells
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Blood
D.
Plasma
A.
Polymerase
B.
Transcriptase
C.
Restric on enzyme
D.
Ligase
A.
Palindromic sequence of base pairs
B.
Replica on completed
C.
Dele on muta on
D.
Start codon at the 5' end
B.
Single stranded nucleo de
D.
Double stranded RNA
A.
Single stranded nucleoside
C.
Double stranded DNA
✓
A.
Plants
B.
Fungi
C.
Dead animals
D.
Pro sts
A.
Adenosine deaminase
B.
ADA
C.
Both a & b
D.
None
A.
1.5
C.
2.5
✓
B.
1
D.
2
Which one is the use of transgenic animals ?
✓
A.
An thrombin III produc on
B.
Biodegradable plas c
C.
Green revolu on
D.
Extrac on of metals
The somaclonal varia ons are another way to produce new plants with desired: A.
Persona
C.
Guise
✓
B.
Traits
D.
Semblance
Since a whole plant will grow from a protoplast, it is necessary only to place the foreign gene into a: A.
Dead protoplast
B.
Sleeping protoplast
C.
Living protoplast
D.
Weakened protoplast
B.
2030
D.
2060
The food produc on can be doubled upto A.
020
C.
2050
✓
Pa ents are directly given normal genes in one way or the other in: A.
Chemotherapy
B.
Ex-Vivo gene therapy
C.
In-Vivo gene therapy
D.
An bio cs
B.
Artificial fertilization
D.
in vitro fertilization
Dolly, The first cloned mammal, was produced by A. C.
Parthenogenesis Replacement of zygote nucleus by somatic nucleus
Hamilton O.Smith at Johns Hopkins University, isolated the first restric on enzyme in
✓
A.
1970
B.
1980
C.
1990
D.
2000
The term gene was coined by
✓ Q.175
Urine
B.
In PCR a er hea ng for 1 minute to denature DNA, it is cooled for _____ minute to anneal the DNA in PCR
✓ Q.173
C.
✓
The children with SCID lack and enzyme:
✓ Q.172
Milk
People with insulin dependent diabetes mellitus received the insulin they needed for survival from:
✓ Q.170
A.
Probe is _________
✓ Q.166
All of the above
Given below is a sample of a por on of DNA strand giving the base sequence on the opposite strands. What is so special shown in it? 5' ______ GAATTC ________ 3' 3' ________CTTAAG ________ 5'
✓ Q.165
D.
Eco Ri is commonly used as:
✓
Q.163
Immature cells
The familial hypercholesterolemia is a condi on that develops when liver cells lack a receptor for removing cholesterol from the:
✓ Q.162
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A.
Mc Clintock
B.
Morgan
C.
Johannsen
D.
De Duve
The science of studying the DNA sequence and proper es and en re genome A.
Gene cs
✓
B.
Genomics
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None of these
A.
Par cle gun
B.
Microinjec on
C.
Micropippe e
D.
All of the above
A.
Blunt ends
C.
Complementary ends
✓
B.
S cky ends
D.
None of these
There are three billion base pairs in the: A.
Horse genome
B.
Pig genome
C.
Human genome
D.
Monkey genome
B.
RFLPS -DNA finger prin ng
D.
DNA Ligase - mapping human chromosomes
Which of these in incorrectly matched? A.
protoplasts plant cell engineering
C.
DNA polymerase -PCR
✓
Gene therapy is the inser on of gene c material into A.
Human cells
B.
Bacterial cells
C.
Fungal cell
D.
Animal cell
Agarose extracted from sea weeds finds use in
✓
A.
Gel electrophoresis
B.
Spectrophotometry
C.
Tissue culture
D.
PCR
Since the shoots are gene cally iden cal the adult plants that develop from them are called A.
Clonal plants
C.
Herbal plants
✓
B.
Tissue culture plant
D.
None o the above
A full set of genes of an individual is called:
✓ Q.185
D.
The single stranded and complementary ends of the two DNA are called
✓ Q.182
Histogram
Why not restric on enzymes cut the DNA of bacterial cell in which they are present? B. Restric on enzymes are prevented to reach A. Bacteria lack palindromes palindromes ✓ C. Bacterial cells have modified their DNA at D. Reason is unknown restric on sites 1987, John C Sanford and Theodore M. Klein discovered a method to insert a gene into vector is
✓ Q.180
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A.
Genotype
B.
Genomic library
C.
Genome
D.
Alleloporph
DNA polymerase is extracted from bacterium: A.
Thermos terrestris
C.
Phage virus
✓
B.
Thermus aqua cus
D.
Lambda virus
Plant cells that have had the cell wall removed are called:
✓
A.
Protoplasts
B.
Protoplaste
C.
Protoplasts
D.
Protoplastos
B.
Mendel
✓
D.
Khorana
B.
Animals
✓
D.
All a, b and c
First artificial gene was synthesized by A.
Nirenberg
C.
Morgan
Which one has been gene cally engineered? A.
Plants
C.
Bacteria
Complementary DNA (cDNA) is prepared directly from
✓
A.
mRNA
B.
tRNA
C.
rRNA
D.
sRNA
Ecor 1 cuts double-stranded DNA when it has this sequence of bases at the:
✓
A.
Cleavage site
B.
Flanking site
C.
Breaking site
D.
Joining site
Genes can also be synthesized in laboratory using the enzymes
✓
A.
Lipases
B.
Restric on enzymes
C.
Reverse transcriptase
D.
None of these
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Gene c engineering may enhance the ability of ______ to extract copper, uranium and gold from low grade sources
✓
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✓
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✓
D.
Fungi
A.
Virus free
B.
Fungal free
C.
Pathogenic free
D.
All of the above
A.
Callus
B.
Corn
C.
Bump
D.
Lump
A.
Hermaphrodites
B.
Polygynous
C.
Transgenic organisms
D.
Transmutated organisms
A.
To potent
B.
Potent
C.
To persausive
D.
To strong
Tissues culture and recombinant DNA technology are the fields of: A.
Biochemistry
B.
Biophysics
C.
Biotechnology
D.
Biogeography
Which of these is a benefit to having insulin produced by biotechnology? A.
It is just as effec ve
B.
It ca be mass produced
C.
It si non allergic
D.
It is less expensive
E.
All of these B. D.
Plasmids can carry recombinant DNA but viruses can not Only gene therapy uses vectors
E.
Both a and d are correct
B.
They have ability to produce same genes
D.
All of these
Which of these is true statement? ✓ A. Both plasmids and viruses can serve as vector C. Vectors carry only the foreign gene into the host Cell Bone marrow cells in gene therapy are preferred A.
Because cell division ac vity is highest
C.
They have ability to form same cells
✓
Non-Hodgkin's Lymphoma is
✓ Q.202
Bacteria
Virus
German botanist Go lieb Haberlandt said in 1902 that plant cells are:
✓ Q.199
C.
B.
Organisms that have had a foreign gene inserted into them are called:
✓ Q.198
Mycorhizae
In 1987, John C Sanford and Theodore M.Klein developed another method of introducing DNA into a plant ssueculture:
✓ Q.196
A.
Meristem method has the advantages to produce plant
✓
Q.195
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A.
Degenera on of lymph nodes
B.
Swelling of lymph nodes
C.
Cancer of lymphocytes
D.
Development of lymph nodes
Foreign DNA is inserted into the plasmid of the bacterium, Agrobacterium, which normally infects the: A.
Animal cells
C.
Both a & b
✓
B.
Plant cells
D.
None
Childern in the severe combined immunodeficiency syndrome (SCID) are treated by: A.
Chemotherapy
C.
In-Vivo gene therapy
Hypercholestrolemia is a condi on in which A.
Cholesterol increases in the blood
C.
Liver cells capable to remove cholesterol
✓ ✓
B.
Ex-Vivo gene therapy
D.
An bio cs
B.
Liver cells not capable to remove cholesterol
D.
Liver cells produce cholesterol
Digitalis lanata produce
✓
A.
Quinine
B.
Luciferin
C.
Chloroquinone
D.
Digitoxin
Human hormones, clo ng factors and an bodies have been produced by: A.
Transgenic algae
C.
Transgenic fungi
✓
B.
Transgenic plants
D.
Transgenic protozoa
One of the plasmids discovered earlier pSC 101 has an bio c resistance gene for A.
Tetracycline
B.
Amplicillin
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Q.222
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A.
10 pages
C.
1000 pages
✓
B.
100 pages
D.
100000 pages
A.
Goats through transgenic animals
B.
Chicken through transgenic animals
C.
Sheep through transgenic animals
D.
Buffalo through transgenic animals
A.
DNA of Fungi
B.
Extrachromosomal bodies of DNA in plants
C.
Extrachromosomal bodies of DNA in bacteria
D.
Extrachromosomal bodies of DNA in viruses
Commonly enzyme, Thermus aqua cus, is also known as:
✓
A.
Taq polymerase
B.
DNA polymerase
C.
RNA polymerase
D.
Taq ligase
Kary B. Mullis developed the polymerase chain reac on (PCR) in A.
1983
C.
1963
✓
B.
1973
D.
1953
Cry genes or Bt genes are obtained from A.
Cotton pest
B.
Tobacco plant
C.
Bacillus thuringiensis
D.
E - Coli
A ______ is a collec on of bacterial or bacteriophage clones
✓
A.
Genome
B.
Genomic library
C.
Both a and b
D.
None of the above
An thrombin III, prevents
✓
A.
Blood clot
B.
Hormone produc on
C.
Sugar produc on
D.
All of the above
To cure Parkinson's disease dopamine-producing cells could be gra ed directly into the:
✓
A.
Brain
B.
Bone marrow
C.
Blood
D.
Liver
Embryo culture is used for A.
Establishing suspension culture
C.
Somatic hybridization
Which is a biotechnology vector A.
Bacteria
C.
Fungi
✓ ✓
B.
Recovery of inter specific hybrids
D.
Haploid production
B.
Lambda phage
D.
Chlorella
The crossing of different varie es of plants or even species is: A.
Combina on
B.
Mixing
C.
Hybridiza on
D.
Mongrel
The diagnosis of viral infec ons, gene c disorder and cancer is done by
✓ Q.221
None of the above
Plasmids are
✓ Q.220
D.
An thrombin is a protein of blood clo ng produced from
✓ Q.214
Both a and b
It is es mated that human genome could take and encyclopaedia of 200 volumes, each with:
✓ Q.211
C.
Page 14
A.
Laboratory test
B.
Eliza test
C.
PCR amplifica on
D.
All of these
Parkinson disease pa ents are treated with cells of normal clo ng factor genes
✓
A.
Implanted in the abdominal cavity
B.
Implanted in the blood stream
C.
Implanted in the liver
D.
Implanted in the skin
B.
DNA polymerase - PCR
D.
DNA ligase - mapping human chromosome
Which is incorrectly matched A.
Protoplast- plant cell engineering
C.
RFLPs - DNA analysis
✓
Germana botanic Go lieb Haberlandt (1902) suggested that plant cells are: A.
Lo potent
C.
An potent
✓
B.
To potent
D.
Nullipotent
Techniques have been developed to insert genes into the
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A.
Sperms of animals
B.
Eggs of animals
C.
Zygote of animal
D.
All of the above
Restric on fragment length polymorphism
✓
A.
are achieved by using restric on enzyme
B.
iden fy individuals gene cally
C.
are the bases fro DNA finger prints
D.
can be subjected to gel electrophoresis
E.
all of these are correct
______ can then be used to create pores in the plasma membrane
✓
A.
High-voltage electric pulses
B.
Low-voltage electric pulses
C.
Both a and b
D.
All of the above
B.
Protoplast fusion
D.
Recombinant DNA technology
Somatic hybridization is achieved through A.
Grafting
C.
Conjugation
✓
A.
Kary B.Mullis
B.
Go lieb Haberlandt
C.
Theodore M.Klein
D.
J.Craig Venter
B.
Bandanna culture
D.
Tissue culture
The growth of a ssue in an ar ficial liquid culture medium is: C.
Q.231
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Q.237
✓
Q.239
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Callus culture
✓
A.
Herbicide
B.
Fungicide
C.
Pes cide
D.
Insec cide
The crossing of different varie es of plants or even species is called: A.
Crossing over
C.
Mixing
✓
B.
Blending
D.
Hybridiza on
The organisms having foreign genes inserted into the genome are called A.
Mutated organisms
C.
Both a and b
Meristem is a: A.
Pathogen free reign
C.
Bacteria free reign
✓ ✓
B.
Transgenic organisms
D.
None
B.
Virus free reign
D.
Fungus free region
More than ______ restric on enzymes have been isolated A.
100
B.
300
C.
400
D.
700
Enzyme which is generally used in PCR is known as
✓
A.
Taq polymerase
B.
Thermo polymerase
C.
DNA polymerase
D.
DNA helicase
B.
Tetracycline
D.
Penicillin
pSC 101 plasmids has an bio c resistance gene for: A.
Ampicillin
C.
Streptomycin
✓
Which of the following features should be present in vector? A. C.
Q.238
Hankie culture
Soybeans have been made resistant to a common:
✓ Q.235
✓
The polymerase chain reac on (PCR) was developed in 1983 by:
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Page 15
It should replicate autonomously It should possess restriction enzyme cleavage sites
Combined immunodeficiency syndrome is termed as A.
SCID
C.
SICD
B.
It should have its own origin of replication
✓
D.
All of these
✓
B.
SCICD
D.
None of the above
The term fragment length polymorphism is abbreviated as
✓
A.
RFLP
B.
RFLPs
C.
RFPL
D.
RFPLs
B.
Parkinson's disease
Gene therapy is effec ve against A.
Cys c fibrosis
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Not yet feasible
Thermocycler
B.
Thermometer
C.
Both a and b
D.
None of the above
B. D.
Plasmids can carry recombinant DNA but viruses can not Both a and b are correct
E.
Only gene therapy uses vectors
B.
Thermo bacillus
D.
All of the above
DNA polymerase is extracted form the bacterium A.
Thermus aqua cus
C.
Thermo sub lis
✓
The first restric on enzyme was isolated by Hamilton D. Smith in:
✓
A.
1970
B.
1978
C.
1990
D.
1998
Molecule that serves to carry the source DNA into new host is
✓
A.
Vector
B.
Host DNA
C.
Source DNA
D.
Recombinant DNA
______ is a preferable vehicle for a biotechnology product than milk A.
Urine
B.
Blood
C.
Both a and b
D.
None of the above
The gene of choice can also be synthesized in the laboratory from messenger RNA, using reverse transcriptase, This DNA molecule is called: A.
Complementary DNA
C.
tDNA
✓
B.
cDNA
D.
Both a & b
Soybeans have been developed that mainly produce the monounsaturated fa y acid
✓
A.
Oleic acid
B.
Steric acid
C.
Palma c acid
D.
All of the above
B.
Cytosine
D.
Thymine
B.
3 minutes
D.
Time may vary
The nitrogen base which is absent in RNA is A.
Adenine
C.
Guanine
✓
The me required to complete PCR reac on is A.
1.5 minutes
C.
5 minutes
✓
Persons with Hun ngton's disease have a unique site where a restric on enzyme acts:
✓
A.
DNA
B.
RNA
C.
Protein
D.
Lipid
______ are modified for wood pulps
✓
A.
Cereals
B.
Trees
C.
Legumes
D.
Rose plant
Common method of ge ng the gene is to synthesize it in the laboratory from messenger RNA, using reverse transcriptase. This DNA molecule is called
✓ Q.254
D.
A.
Which of these is a true statement? ✓ A. Both plasmids and viruses can serve as vectors C. Vectors carry only the foreign gene into the host cell
✓ Q.247
✓
PCR is done these days in an automa c PCR machine or
✓ Q.242
Hemophilia
Page 16
A.
cDNA
B.
Complementary DNA
C.
Both a & b
D.
None of the above
B. D.
Sequence of 10 bases that are complementary to the bases on DNA None of these
B.
Alec Jeffreys
D.
Hargobind Khorana
Primers are ✓ A. Sequence of 20 bases that are complementary to the bases on DNA C. Sequence of 50 bases that are complementary to the bases on DNA DNA fingerprinting was discovered by A.
James Watson
C.
Frederick Fanger
✓
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The use of transgenic farm animals to produce pharmaceu cals is termed as
✓
Q.260
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Vortex mixing
B.
Tissue culturing
C.
Single cell technique
D.
Gene pharming
A.
Oncogenes
B.
Transposons
C.
Restriction endonuclease
D.
Exonucleases
In 1999, transgenic crops were planted worldwide on more than:
✓ Q.259
A.
Advancement in genetic engineering has been possible due to the discovery of
✓ Q.258
A.
20 million areas
B.
35 million areas
C.
70 million areas
D.
90 million areas
Urine is preferably used as a vehicle for biotechnology product than: A.
Blood
C.
Plasma
✓
Q.266
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D.
Tissue fluid
coli
B.
colon
C.
coelom
D.
coenzyme
A.
Polymerase
C.
Cloning
✓
B.
Recombinant DNA technology
D.
Restric on fragment length polymorphism
B.
To cure cancer
D.
All of these
B.
EcoR3
D.
EcoR1
From transgenic animals, we can produce various drugs For cys c fibrosis Blood diseases
✓
Commonly used restric on enzyme is: A.
EcoR4
C.
EcoR2
✓
Clonal plants are those all of which have the same: A.
Habits
B.
Habitats
C.
Traits
D.
Shapes
A company which has now sequenced the en re genome was founded by: A.
Kary B.Mullis
C.
Theodore M.Klein
Cloning of a gene produces many A.
Similar copies
C.
Copies
B.
Go lieb Haberlandt
✓
D.
J.Craig Venter
✓
B.
Iden cal copies
D.
All of the above
B.
Gold par cles
D.
All of these
Which of these can be used as vector A.
TMV
C.
Liposomes
✓
Human genome is _________ mes larger than any other genomic studied A.
50
C.
20
✓
B.
25
D.
60
Separa on of different pieces of DNA can takes place on
✓ Q.270
Milk
DNA polymerase carries out replica on over and over again un l millions of copies of new DNA are formed. This is called:
✓ Q.265
B.
A.
C.
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✓
There is a restriction endonuclease called EcoRI. What does "co" part in it stand for?
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A.
Mul ple gel
B.
Agarose gel
C.
Agar gel
D.
Glucose gel
Recombinant DNA technology is used to produce bacteria that reproduce in large vats called:
✓
A.
Bioreactors
B.
Biovats
C.
Bio Vessels
D.
Biotanks
An thrombin III, for preven ng blood clots during surgery, is currently being produced by a herd of: A.
Cats
C.
Dogs
✓
B.
Cows
D.
Goats
Molecular scissors are also called
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Polymerases
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D.
None
Taq polymerase
B.
Ligase
C.
Helicase
D.
Primase
A.
70%
B.
65%
C.
50%
D.
28%
✓
A.
Biotechnology products
B.
Food products
C.
Biological products
D.
All of the above
The specific triplet of nitrogen bases on the transfer RNA is called A.
Codon
C.
Genetic code
✓
B.
Anticodon
D.
none of the above
In DNA or gene sequencing, scien sts create many copies of a single-stranded DNA fragment that will be used to synthesize a new: A.
RNA Strand
C.
NAD
B.
ATP
✓
D.
DNA strand
B.
Clo ng factors
✓
D.
All a, b, c
Plants are being engineered to produce in their seeds: A.
Human hormone
C.
An bodies
In 1997, scien sts at Roslin ins tute cloned a sheep: A.
Magi
B.
Jolly
C.
Dolly
D.
Micky
A team of Japanese scien sts are working on introducing the C4 photosynthe c cycle into:
✓
A.
Rice
B.
Wheat
C.
Sugar cana
D.
Maize
In 1997, scien sts at the Roslin Ins tute in Scotland announced that they had produced a cloned sheep called: A.
Polly
C.
Jolly
✓
B.
Dolly
D.
Molly
Plasmids and foreign gene combine together to form:
✓
A.
Recombinant DNA
B.
Discomfort DNA
C.
Endonuclease
D.
Satellite DNA
B.
Inser ng gene of interest into their egg
D.
Inser ng gene of interest into their blood
Transgenic animals have been produced by A.
Inser ng gene of interest into their DNA
C.
Inser ng gene of interest into their flesh
✓
A dividing and undifferentiated mass of cells is called A.
Callus
B.
Embryo
C.
Explant
D.
Zygote
B.
Bone marrow cells are removed from blood
D.
All of these
B.
Cells
D.
Retroviruses
B.
Gene c engineering
D.
All of these
B.
Sanger's method
Gene therapy C.
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Restric on enzymes
A.
A. Q.286
B.
Today bacteria, plants and animals are gene cally engineered to produce
✓ Q.285
C.
✓
Today crop produc on is limited by effects of saliniza on about:
✓ Q.280
Palindromes
Thermus aqua cus is important in rela on to
✓ Q.275
A.
Page 18
Is used to cure various diseases Bone marrow cells are infected with RNA virus
✓
Reverse transcriptase is obtained from A.
Bacteria
C.
DNA viruses
✓
The incorpora on of foreign DNA into host DNA is called A.
Recombinant DNA
C.
Gene cloning
✓
DNA threads are chemically cut into pieces of different sizes in:
✓
A.
Maxam-Gilbert method
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A.
Chromosomes
C.
Mitochondria
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Plastids
✓
D.
All of the above
A.
Meristem culture
B.
Tissue culture
C.
Xylem culture
D.
Phloem culture
✓
Molecular scissors Specific enzymes for each molecule
✓
B.
Restric on enzymes
D.
All of these
A.
RNA
B.
DNA
C.
Enzyme
D.
All of the above
B.
Deoxyribose containing nucleo de
D.
None of these
Which can act to terminate polynucleo de chain A.
Ribbose containing nucleo de
C.
Dideoxyribose containing nucleo de
✓
A callus is an undifferen ated group of:
✓
A.
Cells
B.
ssuse
C.
Organs
D.
Systems
The en re human genome was published in: A.
1999
B.
2000
C.
2001
D.
2002
Cell suspension culture of Cinchona Plant produces:
✓
A.
Quinine
B.
Paludrine
C.
Fansidar
D.
Resochin
The single stranded but complementary ends of the two DNA molecules are called:
✓
A.
S cky ends
B.
Gluey ends
C.
Adhesive ends
D.
Tacky ends
The methods used for gene therapy is
✓
A.
Ex-vivo
B.
In Vivo
C.
Both a and b
D.
None of the above
B.
cDNA
D.
None of these
The DNA that is synthesized from RNA is called A.
DNA
C.
nascent DNA
✓
Plasmid is a common
✓
A.
Vector
B.
Enzyme
C.
DNA donor
D.
Restric on enzyme
Chimeric DNA is A.
Mutated DNA
C.
Plasmid DNA
✓
B.
Recombinant DNA
D.
DNA
Restric on fragment length polymorphism (REFLPs): A.
Are achieved by using restric on enzymes
B.
Iden fy individuals gene cally
C.
Are the basis for DNA finger prints
D.
Can be subjected to get electrophoresis
E.
All of these
Gene c engineering may enhance the ability of bacteria to extract: A. C.
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B.
The ______ from a single sperm is enough to iden fy a suspected rapist
✓ Q.303
Sanford's method
In gene c engineering DNA is cut at the specific loca ons with the help of
✓ Q.296
D.
One favourite method to accomplish micropropaga on is by
C.
Q.293
Smith's method
DNA is found in
A. Q.292
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Copper Gold
✓
B.
Uranium
D.
All a, b, c
One of the following processes involves southern blotting technique A.
rDNA technology
C.
production of transgenic plants
✓
B.
DNA finger printing
D.
formation of suspension culture
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Ricinolic acid and vernolic acid that can be used as hardness in
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Paints
C.
Both a and b
A.
Heap
C.
Conglomera on
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B.
Plethora
✓
D.
Cumulus
B.
DNA finger prin ng
D.
All of these
How many base pairs are present in human genome A.
6 billions
B.
2 billions
C.
3 billions
D.
5 billions
B.
Taq polymerase
D.
Both b & c
Enzyme used in PCR is A.
Ligase
C.
DNA polymerase
✓
A er injec ng egg of animals with specific DNA, they may develop in
✓
A.
Within the female reproduc ve tract
B.
Laboratory in the test tube
C.
Chemicals in the vials
D.
None of these
Plasmid vectors used for carrying foreign DNA into host is derived from
✓
A.
E.coli
B.
Anterobacter
C.
Cocci
D.
None of these
Which one is not a factor necessary for recombinant DNA technology: Gene of interest Molecular carrier of vector
✓
B.
Molecular scissor
D.
Mesosome
It took 30 days to get tobacco plants to produce an gens to treat: A.
Hodgkin's Lymphoma
C.
Carcinoma
PCR takes its name from A.
RNA polymerase
C.
Both a and b
✓ ✓
B.
Non-Hodgkin's Lymphoma
D.
Hun ngton's disease
B.
DNA polymerase
D.
All of the above
B.
Gene c disorders
D.
All a, b, c
PCR is used to diagnose: A.
Viral infec ons
C.
Cancer
✓
If each cell has the full gene c poten al of the organism then it is called: Genopotent Somaclonal
✓
B.
Potent
D.
To potent
Enzyme adenosine deaminase (ADA) that is involved in the matura on of A.
T cells
C.
Both a and b
✓
B.
B cells
D.
None of the above
The mining companies use bacteria to obtain various
✓
A.
Metals
B.
Non-metals
C.
Metalloids
D.
Gases
Cys c fibrosis pa ents lack a gene codes for
✓
A.
Transmembrane carrier of chloride ions
B.
Transmembrane carrier of calcium ions
C.
Transmembrane carrier of sodium ions
D.
Transmembrane carrier of iron ions
A weed called mouse-eared cress has been engineered to produce in cell granules a biodegradable:
✓ Q.321
None of the above
Gel electophoresis
C.
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D.
DNA samples
A. Q.317
Plas cs
C.
C.
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B.
A.
A. Q.313
✓
The process that seprates the DNA fragments according to their lengths is
✓ Q.309
A.
The cells which cling an egg a er ovula on occurs are called:
✓ Q.308
Page 20
A.
Plas c
B.
Polyhydroxy-butyrate
C.
Both a & b
D.
Vinyl
B.
Centrifuge
PCR is done in: A.
Spectrophotometer
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Thermocycler
A.
Is to produce bovine growth hormones
B.
Is to produce larger fishes
C.
Is to produce more meat
✓
D.
All of these
A.
To produce true type organisms
C.
To produce cameras
B.
To produce iden cal organisms
✓
D.
Both a and b
Cys c fibrosis pa ents lack a gene that codes for trans-membrane carrier of the:
✓
A.
Chloride ion
B.
Sodium ion
C.
Potassium ion
D.
Calcium ion
In order to separate DNA pieces of different sizes on gel, the method used is: A.
Maxam-Gilbert method
C.
Smiths method
✓
B.
Sanger's method
D.
Dideoxy method
In PCR, DNA polymerase is used from a bacterium A.
E.coli
B.
Themobacillus
C.
Thermus aqua cus
D.
All of these
The process used to create millions of copies of a single gene or any specific piece of DNA quickly in a test tube is: A.
VCR
C.
TCR
✓
B.
PCR
D.
GCR
Large amount of transgenic drugs can be produced in
✓
A.
Test tube
B.
Flasks
C.
Bioreactor
D.
All of the above
Hypercholesterolemia is a condi on in which liver cells lack a receptor for removing ______ from the blood A.
Cholesterol
C.
Debris
✓
B.
Sugar
D.
Stem cells
The crossing of different varie es of plants or even species, is called as A.
Hybridiza on
C.
Mul plica on
✓
B.
Transduc on
D.
None of the above
Which of the would you bno except to be a biotechnology product?
✓
A.
Vaccine
B.
Modified enzyme
C.
DNA probes
D.
Protein hormones
E.
Protein hormones
During coronary artery angioplasty, a balloon catheter is some mes used to open up a closed: A.
Vein
C.
Intes ne
✓
B.
Lacteal
D.
Artery
Cell suspension culture of digital plant produces: A.
Amoxicillin
B.
Ampicillin
C.
Digitoxin
D.
Aflatoxin
For carriing out PCR the ______ must be available
✓
A.
Genome
B.
Primer
C.
polymer
D.
None of the above
F.C Steward (1985) grew a complete carrot plant form a ny pieces of: A.
xylem
C.
Parnchyma
✓
B.
Phloem
D.
Mesophy II
An an body made by soybeans can be used as treatment for:
✓ Q.337
D.
Cloning is
✓ Q.334
✓
The technique transgenic animlas
✓ Q.327
Homogenizer
Page 21
A.
AIDS
B.
Herpes simplex
C.
Genital herpes
D.
Hepa
B.
To synthesize it chemically
D.
To make it from tRNA
sC
Which of the following is not true to get gene of interest A.
To isolate it from the chromosomes
C.
To make it from mRNA
✓
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A gene for the produc on of the firefly enzyme luciferase was inserted into tobacco protoplast and the adult plants glowed when sprayed with the substrate
✓
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B.
Arginine
C.
Pachtene
D.
Transgene
A.
Thermus terrestris
B.
Thermus indicus
C.
Thermus aqua cus
D.
Thermus botani
A.
CSF
B.
Tissue fluids
C.
Human intes ne
D.
Plasma
In 1970, Hamilton D.Smith, at Johns Hopkins University, Isolated the First: A.
DNA polymerase
C.
Diastase
✓
B.
DNA ligase
D.
Restric on enzyme
Adult plants developed form gene cally iden cal shoots are called:
✓ Q.343
Luciferin
E.coli is found in
✓ Q.341
A.
DNA polymerase used in PCR is extracted from the bacterium:
✓ Q.340
Page 22
A.
Somal plants
B.
Ar ficial plants
C.
Clonal plants
D.
Soma c embryos
Restric on endonuclease is : A.
Gene of choice
C.
Molecular vector
✓
B.
Molecular scissor
D.
Binds foreign gene into the vector
B.
DNA ligase
D.
Isomerase
B.
Herbicide
D.
Pes cide
Which one of the following binds foreign gene into plasmids: A.
DNA polymerase
C.
Endonuclease
Soyabeans have been made resistant to a common A.
Insec cide
C.
Fungicide
✓ ✓
Smith, Nathan and Arber were award Noble prize in 1978 for discovery of restric on: A.
Phosphatases
C.
Exonucleases
✓
B.
Carboxylases
D.
Endonucleases
Very useful method in DNA fingerprin ng is:
✓
A.
PCR
B.
Cloning
C.
Gene c engineering
D.
Transmuta on
Since ________ biotechnology has produced drugs and vaccines
✓
A.
1980s
B.
1970s
C.
1960s
D.
1950s
Bacteria that are used for the removal of pollu on in the air are termed as A.
Biofilter
C.
Recombinant bacteria
✓
B.
Air filter
D.
None of the above
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8 Q.1
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Ecosystem
Establishment of new forest at places where no forests existed previously is called A.
Reforesta on
C.
Deforestra on
Macronutrients are required by the organisms in: A.
Small amount
C.
Traces
✓ ✓
B.
Afforestra on
D.
Both a and b
B.
Large amount
D.
Never required
B.
Bio c and abio c
D.
Both a & b
B.
Mutualis c
D.
Mycorrhizal
The ecosystem consists of two basic interac ng components: A.
Living and physical
C.
Living and bio c
✓
This is a ------------------- rela onship between algae and fungi A.
Symbio c
C.
Parasi c
The succession which occurs in dry soil or rock is A.
Hydrosere
C.
Decrosere
✓ ✓
B.
Xerosere
D.
All of these
Predator-prey rela onship has a significant influence on:
✓ Q.7
Page 1
A.
Distribu on of organisms
B.
Abundance of organisms
C.
Both a & b
D.
Non-availability of organisms
The term originally was coined by the German zoologist Ernst Haeckel in A.
1666
C.
1966
✓
B.
1766
D.
1866
B.
Rep les
D.
Birds
Ornithology is the sudy of A.
Mammals
C.
Insects
✓
Group of interbreeding organisms residing together in space & mes are A.
Community
C.
Genus
Which of the following is not the true about preda on A.
Prey increases by increasing the preda on
C.
Prey decreases by increasing the preda on
✓ ✓
B.
Popula on
D.
Family
B.
Preda on increases by increasing the prey
D.
Prey must follow the preda on
The lake ecosystem can be divided into ______ number of zones: A.
Two
C.
Four
✓
B.
Three
D.
Five
B.
Decomposi on
D.
Assimila on
Nutrient elements become the part of protoplasm during A.
Photosynthesis
C.
Fixa on
✓
A thin layer (zone) of earth in which all living organisms exist is called:
✓
A.
Biosphere
B.
Biome
C.
Ozone
D.
Ecosphere
Due to the trampling of the soil layer by the hooves of grazing animals the rain water will: A.
Penetrate deep into the soil
✓
B.
Not penetrate this soil
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Do not affect this layer of the soil
A.
Endoparasites
C.
Heteroparasites
✓
B.
Ectoparasites
D.
Both a & c
A.
First
B.
Second
C.
Third
D.
None of above
Infesta ons are the diseases which are caused by ________ in living organisms
✓
A.
Parasites
B.
Saprophytes
C.
Bacteria
D.
Viruses
Insect and flower rela onship is the example of
✓
A.
Mutualism
B.
Commensalism
C.
Parasi sm
D.
All of above
One mechanism of temperature regula on was developed by land plans and animals by developing.
✓
A.
Brak and skin
B.
Vascular ssues and circulatory system
C.
Cambium and excretory system
D.
Vascular ssue and respiratory system
In tandra forests the willow tree with an age of 50 year have diameter of trunk only: A.
5 cm
C.
8 cm
✓
B.
7 cm
D.
10 cm
Which element is the most potent source for the deple on of ozone layer
✓
A.
Chlorine
B.
Fluorine
C.
Carbon
D.
All of them
B.
Derosere
D.
lithosere
When succession starts on dry soil or rocks it is called: A.
Hydrosere
C.
Xerosere
✓
The animals which feed on grasses are called: A.
Grassers
B.
Browsers
C.
Grazers
D.
Grazophytes
The essen al requirement for life is: A.
Minerals
C.
Carbohydrates
The animal that is caught and eaten is the A.
Predator
C.
Consumer
"Litho" means A.
Air
C.
Water
✓ ✓ ✓
B.
Water
D.
Proteins
B.
Prey
D.
Both a and c
B.
Earth / soil
D.
All of these
In li oral zone, the water is:
✓ Q.28
D.
Secondary consumes form ______ trophic level
✓ Q.24
Stop on the soil
The parasites that live outside the body of the host are called:
✓ Q.17
Page 2
A.
Deeps
B.
Very deep
C.
Shallow
D.
Comes with wave only
In temperature deciduous forest the range of temperature is form: A.
0∘C - 30∘C
C.
4∘C - 25∘C
✓
B.
4∘C - 30∘C
D.
4∘C - 40∘C
Major unit of ecology is :
✓
A.
Ecosystem
B.
Community
C.
Biosphere
D.
Popula on
A group of interbreeding individuals of same species occurring together in space and me is called:
✓
A.
Popula on
B.
Community
C.
Species
D.
Clan
Over-grazing may lead to:
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D.
Grassland
A.
Cyanobacteria
C.
Mold
✓
B.
Bacteria
D.
Protozoans
A.
Biochemical cycles
B.
Geochemical cycles
C.
Biogeochemical cycles
D.
Elemental cycles
A.
2/4 km
C.
6/8 km
✓
B.
4/6 km
D.
8/10 km
A.
Taxonomy
B.
Neurology
C.
Ecology
D.
Embryology
A.
0°C to 10°C
C.
Below freezing point up to 15°C
✓
B.
Below freezing point up to 10°C
D.
0°C to 15°C
A.
Food chain
B.
Food web
C.
Both A and B
D.
None of above
One atom of chlorine can destroy up to ___________ ozone molecules?
✓
A.
One million
B.
One billion
C.
One thousand
D.
Two million
Succession begins by a few hardy invaders called: A.
Founders
B.
Ini ators
C.
Pioneers
D.
Leaders
In 1917, Jpseph Grinnel an American ornithologist first proposed the term ______ in ecology A.
Habitat
C.
Area
✓
B.
Niche
D.
Space
These micro-organisms use the proteins and amino acids and release excess of ammonia (NH3) or ammonium ions (NH4). This process is known as A.
Ammonifica on
B.
Nitrifica on
C.
Assimila on
D.
All of above
Plants growing on dry habitat is called: A.
Hydrophytes
B.
Mesophytes
C.
Xerophytes
D.
None of these above
Climax in zerosere is the establishment fo
✓
A.
Woody forest
B.
Grasses
C.
Herbs
D.
Shrubs
Which one of the following is true A.
Popula on is a larger unit than a community
C.
Biome and community are equal units
✓
B.
Bioshpere is a smaller unit than a biome
D.
Biome is a larger unit than popula on
The gross produc on of an ecosystem is its total
✓ Q.46
Taiga
Eagle may eat blue bird, but blue bird eats insects like caterpillar and caterpillar feeds on grass or green leaves. This is a ______
✓ Q.43
C.
In coniferous alpine and boreal forest the temperature ranges from:
✓
Q.42
Tundra
In 1917, Joseph Grinnell an American ornithologist first proposed the term niche in:
✓ Q.40
B.
Biosphere is spread out over the surface of planet earth extending about:
✓
Q.38
Desert
The nutrient cycles are also called:
✓ Q.36
A.
The dead plants and animal bodies in lakes are decomposed by certain:
✓ Q.34
Page 3
A.
Photosynthesis
B.
Net produc on
C.
Photosynthate
D.
Biomass
B.
Algea
D.
Cyanobacteria
Limne c phytoplanktons include: A.
Mossses
C.
Bacteria
✓
______ components include all living organisms including plants and animals supported by biosphere
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B.
Abio c
C.
Physical
D.
Both a and b
B.
NO2
✓
D.
Both a and b
✓
B.
Eutrophica on
D.
Dtergents pollu on
A.
SO2
C.
Lead components
A.
Organic pollu on
C.
Sewage pollu on
A community is A. C.
A.
Mice - green plants - snake - hawke
C.
Mice - snake - green plants - hawk
Two main types of environment factors are: A.
Geotropism and phototropism
C.
Land aqua c
Food chain
B.
Green plants - mice - snake - hawk
D.
Green plants - hawk - snake - mice
B.
Abio c and bio c
D.
None of these
Progression
B.
Sequence
C.
Succession
D.
String
Chlorofluorocarbons are
✓
A.
Organic
B.
Inorganic
C.
Intermediate
D.
Solid
When bacteria break down nitrates and release nitrogen back into atmosphere this process is called: A.
Nitrifica on
C.
Ammonifica on
✓
B.
Denitrifica on
D.
Deamina on
It is the study of the rela onship of animals (organisms) to their environment
✓
A.
Ecology
B.
Ecosystem
C.
Physiology
D.
Mycology
The study of different communi es (grouping of popula on) in rela on to their environment is called A.
Autecology
C.
Ecology
✓
B.
Synecology
D.
Biogeopraphy
Which of the following is an example of primary succession A.
Foliage stage
B.
Moss stage
C.
Hydrosere and xerosere
D.
None of these
As the number of the predators decreases the numbering of prey: A.
Decreases
C.
Remain constant
✓
B.
Increases
D.
Some me increases some me decrease
B.
3%
D.
1%
Fresh water ecosystem cover the land only: 2% 4%
✓
Grassland which do not have woody plants are called:
✓
Q.63
✓
Autotrophs and heterotrops
A.
C.
Q.62
✓
B. D.
A change in the community structure of an ecosystem over a period of me is:
A. Q.61
A collec on of plants and animals Popula on of different species living together in the same area
The correct sequence in a food chain is
✓ Q.59
Bio c
Enrichment of water bodies by organic nutrients is called
✓ Q.54
A.
Acid rain is mainly due to
✓ Q.51
Page 4
A.
Savana
B.
Tundra
C.
Prairies
D.
Boreal
The actual loca on of place where an organisms live is called its: A.
Ecosystem
C.
Niche
✓
B.
Habitat
D.
Biome
The deficiency of which one of the following is cause of goiter
✓
A.
Iodine
B.
Calcium
C.
Potassium
D.
Iron
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In coniferous alpine and boreal forests the winter is:
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Shorter and colder
C.
Longer and colder
D.
Shorter and li le warmer
A.
Air, water, and animals
B.
Air, soil and plants
C.
Air, water and soil,
D.
air, soil, and, animals
A.
Biogeochemical cycles
B.
Biochemical cycles
C.
Geo-cycles
D.
All of above
A.
Predator
B.
Parasite
C.
Scavenger
D.
Detri vore
A group of interbreeding individual occurring in space and mes is called: A.
Community
C.
Genera on
✓
B.
Popula on
D.
Kingdom
Nutrient cycle are also called us:
✓
A.
Biogeochemical cycles
B.
Elemental cycles
C.
Geochemical cycles
D.
Biochemical cycles
Both organisms benefit from the ______ rela onship
✓
A.
Mutualism
B.
Commensalism
C.
Parasi sm
D.
All of above
In an ecosystem sheep and rabbits are examples of A.
Producers
B.
Predators
C.
Grazers
D.
Saprophytes
The total amount of energy fixed by plants is ______ produc ons
✓
A.
Gross primary
B.
Net primary
C.
Secondary
D.
All of the above
Oxides of nitrogen are produced by burning of A.
Carbonate
B.
Leaded patrol
C.
Fossil fuels
D.
All of above
B.
Clay
D.
Sand
In which types of soil does water logging occur? A.
Silt
C.
Gravel
✓
The chief reservoir of nitrogen is the
✓
A.
Atmosphere
B.
Water
C.
Soil
D.
Rain
B.
Succession
D.
Climax community
B.
Secondary succession
D.
Quartnary succession
Community structures of an ecosystem is called A.
Biosphere
C.
Progression
✓
The succession started a er destruc on of an area is called as A.
Primary succession
C.
Ter ary succession
✓
Succulent plants are
✓
A.
Xerophytes
B.
Mesophytes
C.
Hydrophytes
D.
None of above
The oxida on of ammonia is
✓ Q.80
B.
An animal that preys other animals is called:
✓ Q.74
Longer and li le
The nutrient cycles are also called as
✓ Q.72
A.
A bio c components includes the components like:
✓ Q.66
Page 5
A.
Ammonifica on
B.
Nitrogen fixa on
C.
Nitrifica on
D.
Denitrifica on
B.
Ectoparasite
The parasite that lives inside the body of the host is called as
✓
A.
Endoparasite
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B.
Nutrient elements
C.
Both a & b
D.
Gene c elements
A.
Symbiosis
B.
Mutualism
C.
Parasi sm
D.
All of these
A.
Parasi sm
C.
Preda on
✓
B.
Commensalism
D.
Mutualism
A.
Producers
B.
Consumers
C.
Decomposers
D.
Prey
B.
Consumer
D.
Both b & c
A.
Producer
C.
Decomposer
✓
The chemical elements essen al for life in living organisms are called ______ elements A.
Biogenic
C.
Nutrient
The purest form of global warming is in the shape of A.
Disease
C.
Acid rain
B.
Abiogenic
✓
D.
Both A and C
✓
B.
Flood
D.
All of these
Nitrogen makes up ______ percent of the gases in atmosphere A.
76
B.
77
C.
78
D.
98
B.
Lead
D.
CO
Which oxides causes headache and brain damage A.
Nitrogen
C.
CO2
Dandruff is the example of A.
Endoparadite
C.
Outer parasite
✓ ✓
B.
Ectoparasite
D.
All of above
Which disease is due to nutri onal deficiency
✓
A.
Scurvy
B.
Diabetes
C.
Herpes
D.
Diphtheria
Between 80 to 90% of the original energy is lost as heat as a byproduct of A.
Photosyntheis
B.
Urine
C.
Respira on
D.
All of the above
Mycorrhiza is an associa on of A.
Algae with roots of higher plants
B.
Bryophytes with roots of higher plants
C.
Fungi with roots of higher plants
D.
Bacteria with roots of higher plants
Soil nitrogen resources are also strengthened by the addi on of ______ by the man himself
✓
A.
Nitrogen fer lizers
B.
Nitrogen
C.
Fer lizers
D.
None of above
B.
Ecosphere
D.
Atmosphere
Nitrogen makes up 78 percent of the gases in: A.
Biosphere
C.
Lithosphere
✓
The type of associa on between two organisms, which brings benefit to both the organisms is called
✓ Q.97
Biogenic elements
Which can't increase their weight in inorganic medium
✓ Q.94
A.
All food chain and food web begin with:
✓ Q.93
All of above
The rela onship in which only one organism benefit from the rela onship. The other is not affected at all.
✓ Q.89
D.
The associa on between a host and parasite is called
✓ Q.83
Outer parasite
The chemical elements essen al for life in living organisms are called:
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Page 6
A.
Commensalism
B.
Preda on
C.
Mutualism
D.
Parasi sm
A process in which one organism get benefit from the rela onship is known as
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Grazing
C.
Symbiosis
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B.
Oxides of sulphur
C.
CO
D.
CFCs
A.
Popula on
B.
Individula
C.
Earth
D.
birds
A.
Large food chain
C.
Trophic levels
Q.113
✓
B.
Large organisms
D.
Food web
B.
Any 3
D.
Primary & any higher
Omnivores are described by how many trophic levels Any 2 Any 1
✓
Terrestrial ecosystem have main types of ecosystem: A.
Five
B.
Four
C.
Three
D.
Two
B.
Tortula
✓
D.
Both a and b
B.
Decrease in water
✓
D.
All of these
Moss stage is represented by A.
Polytrichum
C.
Adiantum
Preda on decreases by decreasing the prey due to A.
Decrease in food
C.
Decrease in consumers
Parasites that live inside the body of the host:
✓
A.
Endoparasites
B.
Ectoparasites
C.
Mesoparasites
D.
Both a & c
A collec on of related parts that func on as a unit is called: A.
Organ
B.
Organism
C.
System
D.
Individual
Parasi sm is an associa on between a host and a parasite, which ivolves providing the parasite with: A.
Food
C.
Condi ons for its survival
An ecosystem is made up of three main components: A.
The herbivores, carnivores and omnivores
C.
Primary, secondary and ter ary consumers
B.
Protec on
✓
D.
All a, b, c
✓
B.
The produces, the consumers and the decomposers Producers, herbivores and carnivoers
D.
Biosphere is a thin layer of ______ in which all living organism exist
✓
A.
Earth
B.
Air
C.
Space
D.
None of above
B.
Below freezing point
D.
More then 5∘C
One poles the average temperature is: A.
At freezing point
C.
Above freezing point
✓
Mascara is a type of:
✓ Q.112
Mutualism
Food chains combine to form
✓ Q.107
D.
Topography is study of?
✓
Q.104
Commensalism
Oxides of nitrogen
C.
Q.103
B.
A.
A. Q.102
✓
Green house effect, acid rain headaches and coughs are related to which of the followings?
✓ Q.100
A.
Page 7
A.
Lion
B.
Bird
C.
Monkey
D.
Bear
Coniferous forests located at high la tude are called
✓
A.
Boreal
B.
Taiga
C.
Tundra
D.
Alpine
B.
Second
D.
Forth
Primary consumers form ______ trophic level A.
First
C.
Third
✓
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The basic role of an organism in the community is called
✓
A.
Niche
B.
Factor
C.
Ability
D.
None of above
In an ecosystem a er succession, a new invaders are called
✓
A.
Pioneers
B.
Predecessors
C.
Climax community
D.
None of these
The study of rela onship of an organisms to their environment is known is A.
Biology
C.
Zoology Environment
B.
Biosphere
Ecosystem
D.
Bio c components
B.
Gravity
D.
All these
Q.124
✓
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A.
Hydrosphere
B.
Lithosphere
C.
Biosphere
D.
Topography
A.
Community ecology
B.
Popula on ecology
C.
Specie ecology
D.
All of above
A.
Parasi sm
B.
Preda on
C.
Mutualism
D.
None of these
Fungi as well as bacteria are generally known as A.
Producers
B.
Consumers
C.
Decomposers
D.
None
The bacteria in the root nodules fix ______ in soil air, conver ng it to amino acids
✓
A.
Nitrogen
B.
Phosphorus
C.
Sulphur
D.
Iron
Tundra ecosystem is a vast treeless region bordering the: A.
Pacific ocean
B.
Atlan c ocean
C.
Arc c ocean
D.
Arabian sea
Excessive ploughing of lands in arid regions results in the development of A.
Forest
C.
Grassland
✓
B.
Deserts
D.
Fields
B.
Employment
D.
Occupa on
Charles Eton defined the niche as the species: A.
Work
C.
Job
✓
The study of a single popula on's rela onship to its environment will be called as
✓
A.
Autecology
B.
Synecology
C.
Ecology
D.
Biogeopraphy
A li le light is le to power photosynthesis at the depth of:
✓ Q.129
Water
✓
The rela onships between insects and flowering plants is an example of:
✓ Q.125
Geomagne sm
The synecology is also termed as
✓ Q.123
Mycology
Layer of earth where life is present is called
✓ Q.122
D.
Abio c factors include:
✓
Q.121
Ecology
C.
C.
Q.120
B.
A.
A. Q.119
✓
Food web maintains the stability of
✓ Q.118
Page 8
A.
500 feet
B.
700 feet
C.
600 Feet
D.
1000 Feet
Which of the following is always an intracellular parasite A.
Zooparasite
C.
Phyto parasite
✓
B.
Viral parasite
D.
Microbial parasite
B.
Carbon dioxide
The root nodules bacteria fix ______ in sil air: A.
Parasi sm
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0.5
C.
1.5
✓
B.
1.0
D.
2.0
A.
Lichen & algae
C.
Grasses & shrubs
✓
B.
Mosses and ferns
D.
All of these
A.
Charles Eton
B.
Ernst Haeckel
C.
Joseph Grinnell
D.
Carolus Linnaeus
A.
Liquid nitrogen to soil
B.
Ammonia gas to soil
C.
Nitrogen fer lizers to soil
D.
Nitrogen fixing bacteria to soil
B.
More efficiently
D.
Less efficiently
A short food chain of two or three links supports a community: A.
Efficiently
C.
Inefficiently
✓
What are the environmental buffers?
✓
A.
Trees
B.
Animals
C.
Factories
D.
Microbes
______ is a group of interbreeding individuals occurring together in space and me
✓
A.
Popula on
B.
Species
C.
Community
D.
All of above
Which of the following is not true about abio c components A.
Water
B.
Temperature
C.
Consumers
D.
Gravity
B.
Lichens
D.
Trees
bare rocks are the habitats of A.
Mosses
C.
Grasses
✓
Decomposers form _______ trophic level A.
First
C.
Third
Primary succession that starts on a dry soil or rock is called: A.
Hydrosere
C.
Xerosere
B.
Second
✓
D.
All
✓
B.
Derosere
D.
Aquasere
B.
Hydrosphere
D.
Producers
Which of the following is not an abio c component A.
Atmosphere
C.
Lithosphere
Plants growing in xeric (dry) condi on are called: A.
Hydrophytes
C.
Mesophytes
✓ ✓
B.
Xerophytes
D.
Derophytes
The first comers in an area are termed as A.
Consumers
B.
Producers
C.
Pioneers
D.
All of above
Infesta ons are the diseases which are caused by ________ in living organisms
✓ Q.146
A.
We can strengthen the soil nitrogen resources by adding:
✓ Q.145
Hydrogen
The term niche in ecolgy was first proposed by:
✓ Q.139
D.
Which include seral stages of a primary succession are
✓ Q.135
Nitrogen
About ______% if the total energy from the sun is trapped by the producers in an ecosystem
✓ Q.134
C.
Page 9
A.
Worms
B.
Saprophytes
C.
Bacteria
D.
Virus
B.
Desert
D.
All of these
Overgrazing resulted in A.
Diminishing the grasses
C.
Barren land
✓
Grazers feed mainly on which kind of plants
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A.
Tree leaves
B.
Shrubs
C.
Grasses
D.
Cereals
The average rainfall in desert ecosystem is:
✓ Q.149
A.
20 - 30 cm
B.
20 - 40 cm
C.
25 - 50 cm
D.
14 - 35 cm
The actual loca on or place where an organism lives is called its: A.
Niche
C.
Abode
A.
Dermatocarpons
C.
Polytrichum
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A.
Preda on
C.
Parasi sm
A.
Weather and water
C.
Climate and water
✓
D.
Terrain
B.
Parmelia
D.
None of these
B.
10%
✓
D.
1%
✓
B.
Symbiosis
D.
None of above
B.
Weather and climate
D.
Water and air
✓
A.
Graminoids
B.
Trees
C.
Climbers
D.
Herbs
The animal that is caught and eaten is called:
✓
A.
Prey
B.
Host
C.
Vic m
D.
Quarry
Plants growing in xeric condi on are called
✓
A.
Xerophytes
B.
Mesophytes
C.
Hydrophytes
D.
Schizophytes
B.
Micronutrients
D.
Assimila on
Iron, iodine and zinc required by the organisms are said to the: A.
Macronutrients
C.
Moderate nutrients
✓
Aerosol spray foams are poten al sources of A.
Carbon monoxide
B.
Sulphur dioxide
C.
Chlorofluorocarbons (CFCs)
D.
Lead compounds
B.
Thal
D.
Boreal
The desert ecosystem of western punjab is called: A.
Thar
C.
Alpine
✓
When bacteria in soil oxidize ammonia or ammonium ions this is called: A.
Oxida on
B.
Denitrifica on
C.
Ammonifica on
D.
Nitrifica on
Actual place or loca on where an organism lives is called us: A.
Niche
B.
Terrain
C.
Habitat
D.
Domain
B.
Boreal
D.
Savanna
B.
Algae
D.
Moss
Grasslands of tropic climate have woody trees and are called: A. C.
Q.163
Habitat
Dominant plant species in grassland are:
✓ Q.162
5%
Life on earth is affected by both
✓ Q.161
✓
20%
Root Nodules are the example of
✓ Q.159
B.
The total energy from the sun is trapped by the producers in an ecosystem is about: C.
Q.153
✓
Which are pioneers of terrestrial ecosystem
A. Q.152
Page 10
Alpine Biome
✓
Polytrichum is a A.
Lichen
C.
Liver worts
✓
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Forest ecosystem is subdivided into ____ type of forests.
Q.170
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Preda on
B.
Mode of nutri on
C.
Trophic levels of food
D.
All of these
A.
Dermatocarpon
B.
Permellia
C.
Both a and b
D.
None of above
A.
Climax stage
B.
Shrub stage
C.
Tree stage
D.
All of these
A.
8 - 10
B.
8 - 12
C.
8 - 14
D.
8 - 16
A.
Galls
C.
Stones
✓
✓
B.
Nodules
D.
Papillae
A.
Producers
B.
Consumers
C.
Decomposers
D.
All of the above
Herbaceous stage in xerosere is the __________: A.
First stage
B.
Third stage
C.
Fourth stage
D.
Last stage
B.
Carnivores
D.
All
Which eat consumers A.
Predators
C.
Omnivores
✓
In hydrospheric ecosystem the exchange material and transfer of energy takes place. A.
Within water and air
B.
Within water and land
C.
Within water
D.
Within land and air
B.
Consumers
✓
D.
Atmosphere
✓
B.
Prey
D.
Host
B.
To maintain the popula on of grasses
D.
All of these
Which of the following is not true about bio c components A.
Producers
C.
Decomposers
The animal that is caught and eaten away is called A.
Vic m
C.
Predators
Grazing is important A.
To maintain the popula on of compe tors
C.
To maintain the vigor of grasses
✓
An associa on between two organisms, which brings benefit to both the organisms is called: C.
Q.179
Three
A.
A. Q.178
D.
Consumers are the all the organisms, primarily animals. They obtain energy directly or indirectly from
✓ Q.174
✓
The legume plants, Pea and been are the hosts to symbiont bacteria which inhabit the roots forming root:
✓ Q.172
Five
Four
Biosphere is spread out over the surface of planet earth extending about ______ kilometers in the upper reaches of atmosphere and also in same distance into the depths of oceans
✓
Q.169
C.
B.
The establishment of woody plants that inhibits the growth of most plants other than mosses in succession is known as
✓
Q.168
Two
______ lichens are the examples of foliose lichens
✓ Q.167
A.
Food chain is an example of
✓ Q.166
Page 11
Parasi sm Preda on
✓
B.
Commensalisms
D.
Symbiosis
B.
250 to 850 mm
D.
250 to 750 mm
Annual rainfall in grassland is about: A.
250 to 650 mm
C.
250 to 450 mm
✓
The succession started on bare area is called as
✓
A.
Primary succession
B.
Secondary succession
C.
Ter ary succession
D.
Quartnary succession
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The process by which the limited amount of nitrogen is circulated and recirculated throughout the world of living organisms is known as the
✓
Q.181
Q.182
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Q.189
B.
Nitrogen path way
C.
Nitrogen deple on
D.
None of above
A.
Promotes salinity
C.
Promotes grasses
✓
B.
Promotes erosion
D.
Inhibits dicot compe tors
A.
Consump on of water and evolve of O2
B.
Consump on of CO2and water
C.
Consump on of CO2and evolve of O2
D.
Consump on of minerals and evolve of N2
Joseph Grinnell an American scien st was: A.
Paleontologist
B.
Embryologist
C.
Ornithologist
D.
All of these
B.
3
D.
6
The major components of ecosystem are A.
2
C.
4
All popula ons within an ecosystem are known as a: A.
Popula on
C.
Species
Elements required in large amount are called A.
Micronutrient
C.
Organic elements
✓ ✓ ✓
B.
Community
D.
Clan
B.
Macronutrient
D.
Inorganic elements
A thin layer of earth in which all living organisms live is called:
✓
A.
Biosphere
B.
Habitat
C.
Niche
D.
Hydrosphere
B.
Coloniza on,aggrega on,parental care
D.
Mineral elements, mutualism,parasi sm
Tick the bio c (intra-specific) factors: A.
Wave ac on, humidity, light
C.
Neutralism,mutualism,preda on
✓
The bio c components of the ecosystem are the
✓ Q.190
Nitrogen cycle
The produc vity can be indicated by:
✓ Q.184
A.
Overgrazing
✓ Q.183
Page 12
A.
Producers
B.
Consumers
C.
Producers,consumers and the decomposers
D.
Decomposers
B.
Sinks
D.
None
We are reducing natural 'carbon dioxide's A.
Sources
C.
Both
✓
Q.191
Which rule depicts its correct statement regarding temperature varia on? A. Allen's Birds and mammals have greater size B. Bergman's The tail snout and ears are smaller Rule: in cold region Rule: in colder region. C. Jordan's Birds in cold regions are with ✓ D. All are false. Rule: narrow wings.
Q.192
The major unit of ecology is the:
✓ Q.193
Q.195
Physical component
B.
Bio c component
C.
Ecosystem
D.
Logos
Popula on of Pakistan was ________ in 1947
✓ Q.194
A.
A.
23.5 million
B.
30 million
C.
32.5 million
D.
40 million
The term ecology comes from the Greek words Oikos, meaning "the family household" and logy (logos) meaning:
✓
A.
The study of
B.
Living
C.
Building
D.
Niche
On poles, the average temperature is
✓
A.
Zero°C
B.
5°C
C.
Below freezing point
D.
None
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Ozone is present at about ________ km above earth
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✓
Q.208
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✓
10 - 50
A.
Producers
B.
Consumers
C.
Pioneers
D.
Beginners
A.
Soil par cles
C.
Green plants
✓
B.
Dead organic ma er
D.
Living organisms
A.
Grassing
B.
Browsing
C.
Ea ng
D.
None of above
B.
Food chains
D.
All of these
A.
Food substances
C.
Trophic levels
✓
A.
Producers
B.
Consumers
C.
Decomposers
D.
None of the above
A.
Mass
B.
Gross produc on
C.
Biomass
D.
None
______ are autotrophic organisms
✓
A.
Producers
B.
Consumers
C.
Decomposers
D.
All of the above
The ecosystem present on land or soil is called A.
Terrestrial ecosystem
B.
Lithospheric ecosystem
C.
A and B
D.
none
B.
Taxus baccata
D.
Acacia
A dominant plant of temperate deciduous forests is the : A.
Euphorbia
C.
cactus
✓
Preda on is a process of A.
Prey
B.
Predator
C.
Prey and predator
D.
None of these
B.
Xerosere
D.
None of the above
The succession started on rocks is termed as A.
Hydrosere
C.
Serosere
✓
The amount of energy le a er plants have met their respiratory needs is net primary produc on, which shows up as plant: A.
Respira on
B.
Photosynthesis
C.
Biomass
D.
Reserve
Man is A.
Primary consumers
C.
Ter ary consumers
✓
B.
Secondary consumers
D.
All of above
Loins are A.
Primary consumers
B.
Secondary consumers
C.
Ter ary consumer
D.
All of above
Dandruff is caused by
✓ Q.212
D.
The amount of energy le a er plant have met their respiratory need is net primary produc on called as
✓ Q.211
✓
10 - 20
Green photosynthe c plants are
✓ Q.209
10 - 40
Food web is the group of various
✓ Q.207
C.
B.
The ea ng of grasses is termed as
✓ Q.205
5 -10
Decomposers get their food from
✓ Q.203
A.
In each case succession begins with few hard invaders called:
✓ Q.198
Page 13
A.
Algae
B.
Bacteria
C.
Fungi
D.
Virus
The nutrients in aqua c ecosystem tends to be concentrated near the
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✓
Bo om
B.
Surface
C.
Center of total depth
D.
10 feet below the surface
A.
Succession
B.
Primary succession
C.
Secondary succession
D.
None of above
B.
Macroproducers
D.
None of above
Algae are A.
Microproducers
C.
Both A and B
✓
______ incorporate gaseous nitrogen from air into organic nitrogen containing compounds
✓
A.
Nitrogen fixing bacteria
B.
Nitrogen degrading bacteria
C.
Both A and B
D.
None of above
B.
Parasi sm
D.
Bacteria in the gut of cow
Which one of the following does not refer to mu alism A.
Mycorrhiza
C.
Lichen
✓
--------------- begins forged from bare rocks, sand for where no previous life was found A.
Secondary succession
C.
Succession
✓
B.
Primary succession
D.
Climax period
Each biome consists of a combina on of plants and animals in the fully developed
✓
A.
Climax community
B.
Community
C.
Popula on
D.
None of above
Diseases in living organisms caused by parasites are called:
✓
A.
Infesta ons
B.
Plaques
C.
Influxes
D.
Swarms
B.
Green plants
D.
Herbivores
B.
Endoparasite
D.
Muscular parasite
Producers are A.
Heterophs
C.
Carnivores
Parasites which live inside the host body is called: A.
Ectoparasite
C.
Intes nal parasite
✓ ✓
The predeter and prey rela onship is called as
✓
A.
Preda on
B.
Animes
C.
Parasi sm
D.
None of above
How plants are deprived of nutrients by acid rain
✓
A.
Due to teaching
B.
Due to fall in pH
C.
Acid creates a barrier to absorp on
D.
Unknown cause
Coniferous forests of high al tude are known as: A.
tundra
B.
Boreal
C.
Alpine
D.
Arc c
Lichens have thick crust and live in extreme condi ons is a successional stage of A.
Foliage lichen
C.
Moss stage
✓
B.
Crustose lichen
D.
All of these
B.
Carnivore
D.
All
An animal that preys other animals is a A.
Predator
C.
Consumer
✓
Which of these stages appears as a pioneer during succession on barren land?
✓ Q.228
A.
______ is a change in the community structure of an ecosystem over a period of me
✓ Q.225
Page 14
A.
Foliage lichens
B.
Mosses
C.
Crustose lichens
D.
Frui cose lichens
B.
Food web
D.
None of above
The combina on of many food chains is termed as A.
Food chain
C.
Trophic level
✓
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About ______% of solar energy is used to evaporate water, heat up soil and then lost to the outer space
✓
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C.
98
✓
B.
97
D.
99
A.
Decomposers
B.
Consumers
C.
Producers
D.
Scanvengers
A.
Degenera on
C.
Denitrifica on
✓
B.
Decomposi on
D.
Assimila on
Green plants are ______ trophic level
✓
A.
First
B.
Second
C.
Third
D.
Forth
Taj Mahal's marble has been affected by A.
CFC's
B.
Lead pollu on
C.
Acid rain
D.
None
Dormancy in animals through a drought or dry season is called: A.
Eurythermal
B.
Diapause
C.
Aes va on
D.
None of these
B.
Living components
D.
None of these
Bio c components includes all the A.
Nonliving components
C.
Nonliving and living both
✓
Salt water ocean and sea are the largest ecosystem which cover __________ of earth surfaces. A.
70%
C.
80%
✓
B.
71%
D.
65%
The ecosystem present on land or soil is called
✓ Q.238
95
Much of nitrogen found in the soil is the result of:
✓ Q.235
A.
The fungi and bacteria, which obtain their energy from the dead and decaying plants and animals are:
✓ Q.234
Page 15
A.
Terrestrial ecosystem
B.
Lithospheric ecosystem
C.
A and B
D.
None
B.
Aqua c lively structure
✓
D.
Land lifeless structure
B.
Taiga
✓
D.
Desert
✓
B.
Mesenchymal ssues
D.
Epidermal ssues
Crustose refers to: A.
Aqua c lifeless structure
C.
Land lively structure
Over grazing may lead to: A.
Tundra
C.
Grassland
Plants like cac store their water in large: A.
Collenchyma ssues
C.
Parenchyma ssues
Dams and canal networks developed for irriga on purpose in Pakistan and many other countries create the problems of A.
Salinity and soil erosion
C.
Soil deple on and water erosion
✓
B.
Salinity and water logging
D.
Soil erosion and deple on
Which of these diseases is not infec ous? A.
Measles
C.
Pneumonia
The succession started on deserts is termed as A.
Hydrosere
C.
Derosere
B.
Influenza
✓
D.
Tetany
✓
B.
Xerosere
D.
None of the above
Several bacteria in soil are able to oxidize ammonia or ammonium ions, this oxida on is known as: A.
Ammonifica on
C.
Denitrifica on
✓
B.
Nitrifica on
D.
Amino-oxida on
Plants growing in extreme cold soil are called:
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A.
Sciophytes
C.
Heliophytes
✓
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B.
Produces
C.
Consumers
D.
Predators
A.
environment
C.
stable community
Q.260
B.
ecosystem
D.
ecological succession
B.
Nipping leaves
D.
Pu ng pressure on soil to make it compact
Ea ng grasses to roots Overgrazing
✓
A.
Lichens
B.
Preda on
C.
Mycorrhiza
D.
Commensalism
B.
Consumers
D.
None of these
Heterotrophic organisms are basically: A.
Producers
C.
Producer and consumers
✓
A new system is developed a er an exis ng ecosystem is called A.
Primary ecosystem
C.
Hydrosere
✓
B.
Secondary ecosystem
D.
Xerosere
------------------- are the autotrophs that capture and bring light energy into ecosystem A.
Decomposers
B.
Algae
C.
Producers
D.
None o these
Several bacteria in soil oxidize ammonia or ammonium ions this oxida on is known as A.
Ammonifica on
C.
Assimila on
✓
B.
Nitrifica on
D.
All of above
A ______of energy can be constructed showing energy transfer in a community of organisms
✓
A.
Pyramid
B.
Triangle
C.
Rectangular
D.
None of above
B.
Nitrates, phosphates, and calcium
C.
Citric acid, tartaric acid and oxlic acid
A er diges on, decomposers releases A. Various organic substances from organic ma er
✓
All of these
Biosphere is spread over the surface of plant earth, extending upto:
✓
A.
8 to 10 km
B.
5 to 6 km
C.
10 to 20 km
D.
8 to 16 km
Pyramid always starts at
✓
A.
T1
B.
T2
C.
T3
D.
T4
Cloud cover is reduced due to A.
Reforesta on
B.
Afforestra on
C.
Deforestra on
D.
Air pollu on
B.
Consumers
D.
Non of the above
Animals are A.
Producers
C.
Decomposers
✓
Any ecosystem is made up of three components like:
✓ Q.261
✓
An associa on between certain fungi and the roots of plants growing in acid soil is:
✓ Q.259
Cyanophytes
Grazers
D. Q.256
D.
What is trampling
✓ Q.253
Psychrophytes
When living and non-living interact to produce a stable system in which exchange of materiel with flow of energy takes place, it forms a/an:
✓
Q.251
B.
A.
C.
Q.250
✓
Animals feed on green plants and grasses are called
A. Q.249
Page 16
A.
Producers, consumers, and predators
B.
Producers, consumers and grazers
C.
Producers, consumers and decomposers
D.
Producers, grazers and composers
Fungi are
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B.
Consumers
C.
Decomposers
D.
None of the above
B.
Protozoan
D.
Bacteria
B.
Fungi and bacteria
D.
Viruses
A.
Cyanobacteria
C.
Fungi
A.
Fungi
C.
Bacteria
✓ ✓
Which of the following is not a bio c component A.
Producers
C.
Decomposers
The major unit of ecology is: A.
Biosphere
C.
Community
B.
Consumers
✓
D.
Water
✓
B.
Ecosystem
D.
Popula on
When we study a single popula on rela onship to its environment it will be called: A.
Mycology
B.
Synecology
C.
Autecology
D.
Ornithology
The oxygen concentra on in the air is maintained by the green plants which release it during A.
Fermenta on
B.
Respira on
C.
Photosynthesis
D.
Chemosynthesis
The term ecology comes form the ______ words oikos, meaning "The family household"
✓
A.
Greek
B.
La n
C.
English
D.
French
Some ______ years ago human popula on and conversion of land to agricultural produc on began
✓
A.
10,000
B.
40,000
C.
5000
D.
None
The tundra vegeta on supports the animals called:
✓
A.
lemmings
B.
Marchpolo sheeps
C.
Goats
D.
None of these
Major regional ecological community of plants and animals forms:
✓ Q.272
Producers
The example of decomposers of the ecosystem are the
✓ Q.268
A.
In limne c zone the phytoplankton are:
✓ Q.267
Page 17
A.
Triomes
B.
Biosphere
C.
Biomes
D.
Biogeography
The symbio c rela onship in which both the partners get benefit is: A.
Parasi sm
C.
Preda on
✓
B.
Commensalism
D.
Mutualism
Bacterial live and get food from roots of plants is an example of
✓
A.
Symbiosis
B.
Mutualism
C.
Parasi sm
D.
Infesta on
The change in structure of community of an ecosystem during a me period is called
✓
A.
Succession
B.
Evolu on
C.
Muta on
D.
Regression
The study of different communi es to environment is called A.
Autecology
C.
Microbiology
Leech is preferably a A.
Host
C.
Predator
✓ ✓
B.
Synecology
D.
Ornithology
B.
Parasite
D.
Mutualist
The rela onship of a single popula on towards its environment is called
✓
A.
Ecology
B.
Synecology
C.
Autoecology
D.
All of foregoing
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Diseases in living organisms which are caused by parasites are called
✓
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✓
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B.
Infec on
C.
Fusion
D.
All of above
A.
Producers
B.
Consumers
C.
Decomposers
D.
None of these
B.
Cat
D.
Rhesus Monkey
A.
Kangaroo
C.
Leopard
✓
A symbio c associa on between a fungus and the roots of higher plants is known as A.
Lichen
B.
Parasi sm
C.
Mycorrhiza
D.
Commensalism
B.
Grayish brown
D.
Black
B.
Kaolin
D.
Loam
The soil of the deciduous forest is: A.
Yellow
C.
Grayish black
✓
A mixture of sand and clay in: A.
Silt
C.
Humus
Consumers are ______ organisms A.
Autotrophic
C.
Decomposers
✓ ✓
Consumers ✓ A. Are primarily animals that obtain energy directly or indirectly from producers C. Are secondary animals that obtain energy directly or indirectly from producers Modern man has been on this planet for about
B.
Heterotrophic
D.
None of above
B.
Are primarily bacterial organisms that obtain energy directly or indirectly from producers Are secondary plants that obtain energy directly or indirectly from producers
D.
A.
4000 years
B.
400,000 year
C.
40,000 years
D.
50,000 years
B.
Foliose lichen
D.
Shrub
Xerosere starts with __________ stage. A.
Crustose lichen
C.
Mass
✓
A lichen is the symbio c associa on between a
✓ Q.289
Infesta ons
A common animal of temperate deciduous forests is the:
✓ Q.287
A.
Green, plants are basically:
✓ Q.282
Page 18
A.
Fungus and a bryophyte
B.
Roots of higher plants and an alga
C.
Fungus and an alga
D.
Roots of a higher plants and a fungus
Tape worm is the example of
✓
A.
Endoparasite
B.
Ectoparasite
C.
Outer parasite
D.
All of above
The a achment of shark and small fish remoras is an example of: A.
Mutualism
C.
Preda on
✓
B.
Parasi sm
D.
Commensalism
Regional ecological community of plants & animals primarily determined by climate
✓
A.
Biome
B.
Niche
C.
Habitat
D.
Both b & c
B.
Dog >>> Rabbit >>> grass
D.
Fox >>> beetle >>> Rabbit
Iden fy correct trophic level of food chain A.
Fox >>> rabbit >>> beetle
C.
Owl >>> Rat >>> Rabbit
✓
About 20 years ago what was the rate at which human popula on was increasing A.
1%
C.
3%
✓
B.
2%
D.
5%
The abio c components are also termed as
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A.
650 -1500 mm
C.
800 - 1600 mm
A.
Endoparasite
C.
Outer parasite
B.
Physical factors
✓
D.
A and B
✓
B.
750 -1500 mm
D.
700 - 1500 mm
B.
Ectoparasite
D.
All of above
B.
Gene c
D.
Both a and b
✓
Hemophilia is a ________ disease A.
Heritable
C.
Nutri onal deficiency
✓
The solar energy used to evaporate water, heat up soil and then lost to the outer space is:
✓
A.
99%
B.
77%
C.
55%
D.
33%
An animal which captures and readily kills living animals for its food is known as A.
Parasite
C.
Scavenger
✓
B.
Predator
D.
Consumer
It is community relay
✓
A.
Niche
B.
Evolu on
C.
Specia on
D.
Succession
Which one of the following is an example of commensalism A.
Nodulated roots
B.
Remoras a ached to sharks
C.
Mycorrhiza
D.
Commensalism
In lithospheric ecosystem the availability of water is: A.
Unlimited
B.
UniForm
C.
Limited
D.
Zero
The establishment of stable vegeta on on an area is termed as
✓
A.
Plant succession
B.
Animal succession
C.
Succession
D.
All of the above
Similar groups of individuals who can interbreed and produce organisms of their own kind form a:
✓
A.
popula on
B.
community
C.
species
D.
succession
Primary succession that starts in a pond is called:
✓
A.
Hydrosere
B.
Derosere
C.
Xerosere
D.
Aquasure
The rela onship between insects and flowering plants is the example of: A.
Commensalism
C.
Preda on
✓
B.
Mutualism
D.
Parasi sm
The study of rela onship of different communi es (grouping of popula on) to environment is called: A.
Synecology
C.
Autoecology
Shallow water zone of the lake near the shore is called: A.
Inter dal zone
C.
profundal zone
✓ ✓
B.
Community ecology
D.
Both a & b
B.
Li oral zone
D.
Limne c zone
Xerophytes can withstand with extreme condi ons due to the presence of A. C.
Q.310
Biological factors
Lices and mosquitoes are the examples of
✓ Q.303
Chemical factors
In temperature deciduous forest the average rainfall is:
✓ Q.302
Page 19
Large parenchyma cells in the leaf Thick cu cle and palisade layer
✓
B.
Sunken stomata
D.
All of these
Consumers that prey other animals are known as
✓
A.
Predators
B.
Preys
C.
Parasites
D.
Compe tors
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Nutrients required by organisms in small quan ty or in trace amount like zinc, molybdenum, iron, iodine are:
Q.314
A.
Macronutrients
C.
Mega Nutrients
Q.316
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✓
B.
Fungi
C.
Flagellates
D.
Viruses
A.
Producers
C.
Decomposers
Q.325
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✓ ✓
B.
Consumers
D.
Predators
B.
homologous structures
C.
used by embryos to breathe
evidence for the degenera on
A.
Parasi sm
B.
Symbiosis
C.
Commensalism
D.
None
A symbio c rela onship that benefits one species & neither helps nor harms the other is called A.
Mycorrihza
B.
Symbiosis
C.
Commensalism
D.
Mutualism
The sucessions started on water is called as
✓
A.
Hydrosere
B.
Xerosere
C.
Derosere
D.
None of the above
Dominant species of mammals in grassland are the: A.
Omnivores
C.
Carnivores
✓
B.
Herbivores
D.
Insec vores
The living organism which can prepare their own food are: A.
predators
B.
parasites
C.
producers
D.
prey
B.
Green plants
D.
Dead organic ma er
All food chains and food webs begin from A.
Consumers
C.
Fungi and bryophytes
✓
Most nitrogen moves from the soil into the roots in the form of: A.
Nitrogen gas
C.
Ammonia
✓
B.
Nitrites
D.
Nitrates
Global warming is the result of A.
Ozone layer deple on
B.
Acid rain
C.
Green house gases
D.
All of them
The green photosynthe c plants, which capture and bring light energy into the ecosystem are:
✓ Q.324
Both a & c
A rela onship that harms one of the partners is called
✓ Q.323
D.
Bacteria
The gill pouches present in embryos of mammals : A. support that ontogeny recapitulates phylogeny
✓ Q.320
Micronutrients
Fungi and bacteria are:
✓ Q.317
B.
A.
D. Q.315
✓
The organisms found in the gut of the termites which help it digest wood are the
✓ Q.313
Page 20
A.
Decomposers
B.
Consumers
C.
Producers
D.
Scanvengers
B.
Succession
D.
All of these
Plant and animals replace the earlier ones in a way of A.
Community relay
C.
Predecessors
✓
In this type of rela onship only one organism benefits from the rela onship. The other is not affected at all A.
Mutualism
C.
Parasi sm
✓
B.
Commensalism
D.
All of above
Lichen is the example of
✓
A.
Mutualism
B.
Commenaslim
C.
Parasi sm
D.
All of above
Benefits brings about by both of the organisms is called
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A.
Mutualism
C.
Anabolism
A.
Decomposers
C.
Detri vores
The organisms of same species live in a same place is called A.
Community
C.
Consumers
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Q.343
Symbiosis
D.
catabolism
✓ ✓
B.
Consumers
D.
Scavengers
B.
Popula on
D.
All of these
A.
Charles Eton
C.
Joseph Grinnell
✓
B.
Ernst Haeckel
D.
Carolus linnaeus
B.
Bri sh
✓
D.
Greek
✓
B.
Ter ary consumers
D.
None of these
Ecology is a ______ word. A.
German
C.
French
The fourth trophic level includes the: A.
Producers
C.
Secondary consumers
In li oral zone, the zooplanktons are: A.
Protozoan and coelenterates
C.
Protozoan and flatworms
✓
B.
Protozoan and porifers
D.
Protozoan and crustacean
B.
Moss
D.
None
Which is not a seral stage Climax forest Shrub
✓
This is an associa on between a host and a parasite
✓
Q.337
B.
The term ecology originally was used in 1866 by the German zoologist:
C.
Q.336
✓
All the organisms, primarily animals, which obtain energy directly or indirectly from the produces as ready-organic food are:
A. Q.335
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A.
Preda on
B.
Anemies
C.
Parasi sm
D.
None of above
The study of rela onship of an organism to their environment is knows as: A.
biology
C.
zoology
✓
B.
ecology
D.
mycology
The study of rela onship of a single popula on to its environment is called:
✓
A.
Autecology
B.
Synecology
C.
Both a & b
D.
None
Mycorrhiza is an associa on between the roots of plants growing in acid soil and certain A.
Virus
C.
Bacteria
✓
B.
Fungi
D.
Nematods
B.
700 - 1600 g/m2
✓
D.
700 - 1500 g/m2
✓
B.
Decomposers
D.
None of these
B.
Ammonifica on, Acidifica on, and Assilimla on Ammonifica on, Nitrifica on, and Denitrifica on
In temperate grassland the rate primary produc on is about: A.
700 - 1400 g/m2
C.
700 -1800 g/m2
Bacterial and fungi are mainly included in the group of A.
Consumers
C.
Producers
Three principal stages of nitrogen cycle are: ✓ A. Ammonifica on, Nitrifica on, and Assimila on C. Esterifica on, Nitrifica on, and Assimila on The last stage of plant succession is A.
Pioneer
C.
Community
D.
✓
B.
Climax
D.
None of above
Monoculture is
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✓
One organism
B.
A lab culture
C.
A pure culture
D.
Both b and c
A.
Ectoparasites
B.
Exoparasites
C.
Endoparasites
D.
All of these
The land will be turned to barren land if there is: A.
Li le grazing
B.
Moderate grazing
C.
Over grazing
D.
None grazing
The term ecology was first used by a ________ zoologist.
✓ Q.347
A.
Parasites live outside of the body are
✓ Q.346
A.
American
B.
Canadian
C.
German
D.
Greece
B.
Phosphate
D.
All
What is cause of Eutrophica on A. C.
Q.348
Q.349
Q.350
Q.351
✓
Q.354
Q.355
Q.356
Q.357
Q.358
A.
Hydrosere
B.
Xerosere
C.
Pioneers
D.
None of these
B.
Nitrifica on
D.
All of above
A.
Ammonifica on
C.
Assimila on
✓
There is an associa on between two organisms, which brings benefits to both the organisms A.
Preda on
C.
Parasi sm
✓
B.
Symbiosis
D.
None of above
Fresh water ecosystem covers less than ______% of the hydrospheric ecosystems A.
2
B.
3
C.
1
D.
4
Primary succession that starts on a dry habitat is called: A.
Hydrosere
B.
Derosere
C.
Xerosere
D.
Aquasere
The amount of energy le a er plants have met their respiratory needs shows up the plant:
✓
A.
Not produc vity
B.
Gross produc vity
C.
Secondary produc vity
D.
Bio energy
B.
SO2,NO2
D.
CFCs
Air condi oners are the source of A.
Effluents
C.
Heavy metals
✓
The living organisms, which cannot prepare their own food but obtain ready-made food form others, are: A.
primary and secondary consumers
C.
only primary consumers
Basically, all animals depend on plants for their: A.
Living
C.
Life
B.
secondary and ter aryconsumers
✓
D.
consumers
✓
B.
Food
D.
Respira on
Succession ends with a diverse and rela vely stable: A.
Xerosere
C.
Pioneers
✓
B.
Derosere
D.
Climax community
B.
Na
D.
U
Which one of the following is not the main ionic nutrient A. C.
Q.359
Nitrates
✓
The principal stages of this cycle are
✓ Q.353
Excreta
Succession star ng in pond is called
✓ Q.352
Page 22
Ca K
✓
______ symbiont the root nodules of legume plants
✓
A.
Virus
B.
Fungi
C.
Bacteria
D.
Nematods
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In case of symbiosis ___________ is benefited.
✓ Q.361
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✓
Q.368
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✓
None of these
A.
Carbon monoxide
B.
Sulphur dioxide
C.
Chlorofluorocarbons (CFCs)
D.
Lead compounds
A.
Light and nutrients
B.
Light and carbohydrates
C.
Light and proteins
D.
Light and minerals
A.
Europe
B.
America
C.
Africa
D.
Australia
A.
Bio c
B.
Abio c
C.
Bioic and Abio c
D.
None of these
A.
Faster than air
B.
Same as air
C.
Slower than air
D.
Some me slower and some mes faster
A.
Macronutrients
B.
Micronutrients
C.
Mega Nutrients
D.
Both a & c
A.
Grazing
B.
Preda on
C.
Commensaliza on
D.
None of these
The study of human popula on and factor affec ng it is called A.
Popula on census
B.
Popula on dynamics
C.
Demography
D.
Etymology
Many cold=blooded animals remain inac ve during winter season; it is called:
✓
A.
Hiberna on
B.
Condensa on
C.
Morphosis
D.
Proto-opera on
Lichens are dual organisms composed of symbio c associa on of algae living within a fungus:
✓
A.
Mycelium
B.
Sporangium
C.
Hyphae
D.
Rhizophore
B.
Tapworms
D.
Lices
Which one of a endoparasite of organisms A.
Fungi causes dandruff in hair
C.
Earthworms
A.
Evola on
B.
Gene cs
C.
Ecology
D.
Sociology
There are ______ major terrestrial biomes A.
2
B.
4
C.
6
D.
8
B.
SO2
D.
CO2
B.
Ter ary consumers
D.
Primary consumers
Global warming is due to A. C.
Q.375
Q.376
✓
_____is the study of interac on between living organism and their environment
✓ Q.374
D.
A process in which green plants are eaten by animals is called
✓ Q.373
Both host and parasite
Nutrients required by organism in large amount like water, carbon, hydrogen, oxygen, nitrogen, phosphorus, sulphur and calcium are:
✓ Q.369
C.
Water changes its temperature:
✓
Q.367
Parasite
The ecosystem consists of interac ng components,
✓ Q.366
B.
Sahara Desert i found in :
✓ Q.365
Host
The produc vity of aqua c ecosystem is basically determined by the:
✓ Q.364
A.
Man depends foams are poten al sources of
✓ Q.362
Page 23
CFC's O3deple on
✓
The second trophic level includes the: A.
Producers
C.
Secondary consumers
✓
The study of the rela onship of animals to environment is called:
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A.
Biology
C.
Microbiology
Page 24 ✓
B.
Ecology
D.
Zoology
B.
Ectoparasite
D.
All of above
The parasite that live outside the body of the host is called as A.
Endoparasite
C.
Outer parasite
✓
All living organisms supported by biosphere are called
✓
A.
Bio c components
B.
Abio c components
C.
Autecology
D.
Synecology
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9 Q.1
Q.3
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Q.7
Q.8
Q.9
Q.10
Q.11
Q.12
A.
Dominance
B.
Muta on
C.
Epistasis
D.
Pleiotropy
B.
Allele
D.
Mul gene
B.
Dominant genes
D.
Pseudoautosomal genes
B.
Hindukush
D.
Both a & b
The alternate form of any gene is a/an A.
Phenotype
C.
Mul ple allele
A.
Sex genes
C.
Autosomal genes
✓
Tundra ecosystem is located on Mountains: A.
Kara-Koram
C.
Salman
A carrier mother for colour blindness does not have A.
A normal boy
C.
A colour blind boy
Linnaeus was a: A.
Embryologist
C.
Physiologist
✓ ✓ ✓
B.
A carrier boy
D.
A normal daughter
B.
Taxonomist
D.
Geologist
What are chances for having Rh-ve baby if one parent is Rh+ve and (homozygous) and other is Rh-ve A.
25%
C.
100%
In human body all the following organs are ves gial, except A.
Nici ta ng membrane
C.
Appendix
Study of distribu on of living things on earth is called A.
Compara ve anatomy
C.
Compara ve embryology
B.
50%
✓
D.
0%
✓
B.
Muscles
D.
Coccyx
✓
B.
Biogeography
D.
Zoogeography
Macaca mul a is commonly known as:
✓
A.
Rhesus monkey
B.
Chimpanzee
C.
Apes
D.
Gorilla
Degenerated testes are present in abdomen in which of these cases A.
Down's syndrome
C.
Turner's syndrome
✓
B.
Klinefelter's sysndrome
D.
Tes cular ferminiza on
A general formula, called the Hard-Weinberg equa on is used for calcula ng the frequencies of alleles and genotypes in popula ons at: A.
Equilibrium
B.
Balance
C.
Stability
D.
Poise
B.
AB
D.
Both a & b
Which one is an example of co-dominance A. C.
Q.14
✓
X and Y linked genes are also called as :
✓
Q.13
Evolution
When one gene does not allow the expression of other non-alle c gene, it is referred to as
✓ Q.2
Page 1
MN O
✓
Haemophilia is a
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Q.17
Q.18
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B.
X-linked dominant trait
C.
Y-linked excessive trait
D.
Y-linked dominant trait
A.
Asia
B.
Europe
C.
America
D.
Africa
A.
Thar
C.
Sahara
A.
Africa
C.
Asia
Q.29
D.
Ghobi
B.
Europe
D.
America
community
B.
species
C.
popula on
D.
family
B.
Human has 21 pairs of autosomes and two pairs of sex chromosomes Human has 20 pairs of autosomes and one pair of sex chromosomes
Haemophilia C A.
Is sex-linked trait
C.
Is autosomal dominant trait
D.
✓
B.
Is autosomal recessive trait
D.
Is sex-linked recessive trait
The idea of inheritance of acquired characteris cs was given by A.
Darwin
C.
Charchil
✓
B.
Lamarck
D.
None of these
The change in frequency of alleles at a locus that occurs by chance is called :
✓
A.
gene c dri
B.
gene c change
C.
gene muta on
D.
gene frequency
Colour blindness is A. Disease in which pa ent cannot dis nguish ✓ B. Disease in which pa ent cannot dis nguish between yellow and green colours between red and green colours C. Disease in which pa ent cannot dis nguish D. Disease in which pa ent cannot dis nguish between red and blue colours between yellow and blue colours When a single gene has mul ple phenotypic effects, the phenomenon is called: A.
condominance
B.
epistasis
C.
pleiotropy
D.
sex-linkage
All vertebrate embryos go through a stage in which they have gill pouches on the sides of their: Heads Abdomen
✓
B.
Thorax
D.
Throats
B.
Schwartz
D.
Lynn Margulis
The idea of endosymbiont hypothesis was first proposed by: A.
Lamarck
C.
Wallace
✓
Evolu onary rela onships among species are reflected in their: A.
DNA and proteins
B.
Genes and gene products
C.
Both a & b
D.
None
The ul mate source of all changes is: A.
Evolu on
C.
Gene c dri
✓
B.
Muta on
D.
Migra on
B.
Karyotype
D.
Gene Pool
Sum total of genes in a popula on is A. C.
Q.30
✓
Which of the following is true about chromosomes ✓ A. Human has 22 pairs of autosomes and one pair of sex chromosomes C. Human has 20 pairs of autosomes and three pairs of sex chromosomes
✓ Q.28
"Thal"
A.
C.
Q.27
B.
Gene pool consists of all alleles at all gene loci in all individuals of the:
A. Q.26
✓
Armadillos, the Armored mammals live only in the:
✓ Q.25
X-linked excessive trait
In Pakistan the desert ecosystems are found in western Punjab (Mianwali and Bukhar) where it is known as:
✓ Q.19
A.
Armadillos, the armoured mammals live only in :
✓ Q.16
Page 2
Genotype Gene c cons tu on
✓
Use and disuse of organs, support the theory of
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J. B Lamarck
B.
Darwin
C.
Cuvier
D.
None
B.
Ves gial organ
D.
Imperfect organ
A.
Developed organ
C.
Rudimentary organ
✓
Among the birds Darwin collected 13 types of:
✓
A.
Finches
B.
Robins
C.
Ferrets
D.
Pterodactyls
The structures that had been used historically and no longer essen al presently are the A.
Homologous organs
C.
Rudimentary organs
✓
B.
Ves gial organs
D.
Marginal organs
Overall pa erns of weathers that prevail from year even century-to-century in a par cular region is called: A.
Environment
C.
Atmosphere
✓
B.
Climate
D.
All a, b, c
When an allele fails to express itself in F1 genera on in the presence of other allele, the former is said to be
✓
A.
Recessive
B.
Co-dominant
C.
Complementary
D.
Epista c
B.
New Zealand
D.
All
Which is Island A.
Australia
C.
West Indies
✓
Gill pouches become which of organs of fishes
✓
A.
Gills
B.
Fins
C.
Tails
D.
Air scas
B.
Recessive trait
D.
None of these
When a trait masked in F1 genera on is called A.
Dominant trait
C.
Both and recessive traits
✓
If your group is AB, you can receive blood from donor with blood group A.
A
C.
AB
✓
B.
B
D.
All of these
What biome has the richest soil with nutrients and can be converted into agriculture?
✓
A.
Deciduous forest
B.
Tropical rain forest
C.
Grass land
D.
Coniferous forest
Layering is the characteris c of:
✓
A.
Grassland
B.
Tundra
C.
Desert
D.
Taiga
Genes can be mapped on chromosomes on the basis of A.
Sex linkage
B.
Assortment
C.
Recombina on frequency
D.
Gene sequencing
The major factor that determines the quan ty and type of life in aqua c ecosystems are:
✓ Q.44
A.
Vermiform appendix in carnivores and man is:
✓ Q.43
Page 3
A.
Energy
B.
Nutrient
C.
Both a & b
D.
Minerals
In sickle cell beta chain glutamic acid is replaced by valine which is sixth amino acid from
✓
A.
N-Terminal
B.
C-Terminal
C.
R-Terminal
D.
H-Terminal
B.
By gradual decreases of adapta ons to different environments By gradual accumula on of adapta ons to different biosphere
A new species is arise from ancestors ✓ A. By gradual accumula on of adapta ons to different environments C. By gradual accumula on of adapta ons to same environments
D.
Rh factor or an gen was first studied in : A.
Man
B.
Owl
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Q.48
Q.49
✓
Q.52
Q.54
Fish
A.
Western England 1809
B.
South America 1809
C.
Africa 1809
D.
None of these
A.
locus
C.
DNA
✓
B.
Nucleo de
D.
Gene
The more common deserts, however, are characterized by: A.
Widely spaced vegeta on
B.
Large area of bare grounds
C.
Both a & b
D.
None
Gene poo! consists of all alleles at all gene loci in all individuals of the: A.
Family
B.
Clan
C.
Popula on
D.
Community
When an individual is having both the alleles of constras ng characters it is said to be
✓
A.
Heterozygous
B.
Dioecious
C.
Monoecious
D.
Hermaphrodite
If the distance of 20 map units is found among two linked loci what would be the percentage of cross gametes
✓ Q.53
D.
Basic unit of biological informa on is known as
✓ Q.51
Monkey
Charles Darwin was born in
✓ Q.50
C.
Page 4
A.
40%
B.
60%
C.
20%
D.
10%
Similarity in characteris cs resul ng from common ancestry is known as: A.
Analogy
C.
Topology
✓
B.
Homology
D.
Apology
Which of following minimizes the chance of gene c recombina on A.
Crossing over
C.
Pseudoautosomal
✓
B.
Sex influenced
D.
Polygenic
Q.55
Which of the following statement is not true about natural selec on by Darwiin A. unequal ability of individuals to survive and ✓ B. History of life is like a tee with mul ple reproduce will lead to gradual change in a branching and sub-branching popula on C. Popula on of single species become be er adapted to their local environments D. Survival in the struggle for existence is not random
Q.56
Pinus wallichiana, Pinus roxburghii, Abies pindrow, Picea smithiana, Cederous deodara are plants of:
Q.57
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Q.59
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Q.62
✓
A.
Coniferous alpine and boreal forests
B.
Temperate deciduous forests
C.
Tropical rain forests
D.
Grassland ecosystem
Darwin's unpublished essay (1844) were presented to Linnaean Society of London on:
✓
A.
July 1, 1858
B.
March 1, 1858
C.
July 1, 1758
D.
June 1, 1858
Two parents of blood group A had a child of blood group O, what will be percentage chances of having such child again
✓
A.
25%
B.
50%
C.
75%
D.
None
The evidence of crossing over in a chromosome map is created
✓
A.
from crossing over values
B.
microscopy
C.
gene c ra o
D.
none of these
B.
1881
D.
1902
C. Dawin died in the year A.
1866
C.
1882
✓
The organs that func onally alike and structurally different are known as
✓
A.
Analogous organs
B.
Homologous organs
C.
Rudimentary organs
D.
None of these
For a diploid species each locus is represented _______ in the genome of an individual A.
Thrice
✓
B.
Twice
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Taiga
C.
Desert
A.
Tundra forest
C.
Savanna forest
Q.76
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✓
B.
Tropical rain forests
D.
Grass lands
B.
Streptococcus
C.
Spirochetes
D.
Rhizobium
A.
Apertures
B.
Gaps
C.
Vents
D.
Outlets
A.
Ecology
B.
Botany
C.
Paleontology
D.
Bacteriology
A.
Scarce species
C.
Rare species
✓
B.
Threatened species
D.
Endangered species
A change in one or more bases of DNA, which results in the forma on of an abnormal protein is A.
Moul ng
B.
Transforma on
C.
Muta on
D.
Fission
All of the following characters are sex related except A.
Baldness
B.
Haemophilia
C.
Albinism
D.
Colour blindness
B.
Origin of species
D.
All of these
B.
B
D.
O
Species are the products of evolu on was proposed in Neo-Darwinism Modern synthesis
✓
Bombay phenotype has ______ blood group phenotype A.
A
C.
AB
✓
The flowering parts of the flowering plants are considered to have evolved form: A.
Branches
B.
Stem
C.
Leaves
D.
Roots
B.
More in males
D.
Less in female
X-linked recessive traits are A.
More in females
C.
Less in male
✓
When female cat is ma ed with yellow male cat which one of the following is expected of heterozygous in the offspring
✓ Q.77
Savanna
A species which is in imminent danger of ex nc on throughout its range is called:
✓ Q.75
Tundra
E.coli
C.
Q.74
B. D.
A.
A. Q.73
✓
Existence of coal can be explained by
✓ Q.72
A.
According to one of the specula ons life may have begun deep in the oceans, in underwater hot springs called hydrothermal:
✓ Q.71
Five me
Flagella may have arisen through the inges on of prokaryotes similar to spiral shaped bacteria called:
✓ Q.69
D.
Among forest the _______ forests are the most threaten area on the earth:
✓ Q.68
Four me
Neo-darwinism is integrated discoveries B. With paleonotology, taxonomy, physiology ✓ A. with paleonotology, taxonomy, biogeography and popula on gene cs and popula on biology C. With ethno-botany, taxonomy, morphology D. None of these and popula on gene cs A willow 10 cen metres (4 inches) high may have a trunk 7 cen metres (3 inches) in diameter and be 50 years old in:
✓ Q.67
Page 5
A.
2%
B.
10%
C.
50%
D.
75%
Eukaryotes are thought to have first appeared about------billion years ago: A.
1.2
C.
1.4
✓
B.
1.3
D.
1.5
B.
White dog
Solenorotos bitanus is commonly known as: A.
Leopard cat
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Q.89
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A.
350 mm
B.
450 mm
C.
650 mm
✓
D.
750 mm
A.
O
B.
A
C.
B
D.
AB
A.
3
B.
2
C.
1
D.
No rhodopsins
Charles Darwin was A.
Evolu onist
C.
Crea onist
✓
B.
Naturalist
D.
Both a & b
B.
Muta on in DNA
D.
All of these
Changes in chromosomes is generally known as A.
Muta on on chromosomes
C.
Muta on in genes
✓
The word evolu on cannot be separated from the name of:
✓
A.
Charles Darwin
B.
Alfred Wallace
C.
Carolus Linnaeus
D.
J.B Lamarck
Origin of species was wri en by A.
Mendel
B.
Wallace
C.
Darwin
D.
Lamarck
Grasslands present in temperate climates are also called:
✓
A.
Prairies
B.
Pampas
C.
Plain
D.
Lowland
Which one is universal recipient A.
O+ve
B.
O-ve
C.
AB+ve
D.
AB-ve
B.
Radia ons
D.
All of these
Muta on may be caused by A.
Chemicals
C.
Mutagens
✓
Hardy-Weinberg theorem, describes the frequencies of genotypes of non-evolving:
✓ Q.90
Blue whale
How many kinds of rhodopsins, a blue cone monochromate will have
✓ Q.88
D.
Which blood group has no an gen
✓ Q.86
Black bear
In grassland ecosystem, annual rainfall is about 250 to:
✓ Q.82
C.
Page 6
A.
Family
B.
Species
C.
Popula on
D.
Community
B.
Secre ons
D.
Body cells
B.
Bahawal Nagar
D.
All a, b, c
Secretors have an gens in their A.
Kidneys
C.
Inters
✓
um
In southern punjab, deserts are present in: A.
Fort Abbas
C.
Khanpur
✓
When a trait appeared in F1 genera on is called
✓
A.
Dominant trait
B.
Recessive trait
C.
Both and recessive traits
D.
None of these
An exchange of segments between non-sister chroma ds of homologous chromosomes during meiosis is termed as :
✓
A.
Crossing over
B.
Hopping
C.
Taking over
D.
Segrega on
A person with blood type AB can donate blood to another one having blood type A.
O , A , B , AB
C.
B and AB
✓
B.
AB
D.
A and AB
The total aggregate of genes in a popula on at any one me is called the popula on's gene:
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Lake
C.
Pool
D.
Pond
B.
Epistasis
D.
Differen a on
A.
Pleiotropy
C.
Dominance
A.
Can perceivetwo colours
B.
Can't perceiveany colour
C.
Can perceive only blue colour
D.
Can perceive only red colour
B.
Short arm of Y-chromosome
D.
Long arm of X-chromosome
A.
Short arm of X-chromosome
C.
Long arm of Y-chromosome
✓
How new species arise
B.
The origin of life
C.
How adapta ons are inherited
D.
How ex nc ons occur
Darwin collected how many types of finches on Galapagos A.
10
B.
12
C.
13
D.
15
Darwin proposed a mechanism for evolu on, which he termed: A.
Ar ficial Selec on
C.
Both a & b
Q.109
Q.111
B.
Natural selec on
D.
None
A.
X-chromosome
B.
Y-chromosome
C.
Both a & b
D.
Autosomes
Phenotypic varia ons within the organisms of same genotype occurred A.
different sexes
B.
muta on
C.
exposure to different environments
D.
con nuous varia on
A single gene affects two or more traits the phenomena is called A.
Bombay Phenotype
C.
Epistasis
✓
B.
Plieotropy
D.
None of these
B.
Shogran
In Pakistan temperate moist condi ons are presents in: A.
Neelam valley
C.
Waziristan
✓
D.
Both a & b
Woman has XX chromosomes Both man and woman have XXY chromosomes
B.
Man has XY chromosomes
✓
D.
Both a and b
In human
The smallest biological unit that evolve over me is: A.
A par cular cell
B.
An individual organisms
C.
A species
D.
A popula on
The grasslands which do not have woody plants are known as:
✓
A.
Prairies
B.
Pampas
C.
Savanna
D.
Steppes
Endangered plant species have been recorded to more than:
✓ Q.110
✓
Pseudo-autosomal genes are present on
✓ Q.108
✓
A.
A. C. Q.107
✓
Darwin's theory, as presented in the Origin of species, is mainly concerned with
✓ Q.104
B.
SRY in located at the p of
✓ Q.103
Puddle
A blue cone monochormate
✓ Q.101
A.
Interac on of two loci
✓ Q.98
Page 7
A.
600
B.
400
C.
500
D.
300
B.
SRY gene
D.
SYR gene
Male determining factor in human is called A.
SRE gene
C.
RSY gene
✓
The rate of primary produc on is about, 700 - 1500 g/m2 annually in: A.
Desert
C.
Tropical grassland
✓
B.
Tundra
D.
Temperate grassland
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Gene c basis of ABO blood group system was explained by:
✓ Q.113
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C.
Bernstein
D.
Carl Correns
A.
dominance
B.
incomplete dominance
C.
over dominance
D.
codominance
A.
Acidifica on
C.
Corrosion
✓
B.
Deser fica on
D.
Eutrophica on
A.
Phenotype
B.
Genotype
C.
The en re genome
D.
Each allele
A.
Li oral zone
B.
Limne c zone
C.
Profundal zone
D.
None
How may gene pairs contribute to the wheat grain colour? A.
one
B.
two
C.
three
D.
four
XO syndrome in drosophilia is a
✓ Q.119
Levine
Light is insufficient to support photosynthesis in:
✓ Q.118
B.
Selec on acts directly on:
✓ Q.117
Landsteiner
While human ac vi es are reducing the extent of many biomes, they are causing the spread of deserts, a process called:
✓ Q.116
A.
A heterrozygote offspring quan ta vely exceeds the phenotypic expression of both the homozygote parents due to:
✓ Q.114
Page 8
A.
Sterile male
B.
Fer le male
C.
Sterile female
D.
Fer le female
B.
Y chromosome
D.
None of these
Male determining chromosome is known as A.
XY chromosome
C.
X chromosome
✓
Colour blindness is more common in men than women because A. Its allele is situated on the 'X' chromosome B. only C.
✓
D. Q.121
Q.122
Q.123
Q.124
Q.125
Point muta on occurs in
Q.127
A.
Sickle cell anemia
C.
Alkaptonuria
✓
B.
Phenylketonuria
D.
All
Root in plants and skeleton in animals support them on land against the force of: A.
A rac on
C.
Adhesion
✓
B.
Gravity
D.
Cohesion
Grassland ecosystems are found in: A.
Gilgit
C.
Waziristan
Best fit characteris cs of individuals is a point of A.
Descent with modifica on
C.
Acquired characteris cs
B.
North kallat
✓
D.
All a, b, c
✓
B.
Natural selec on
D.
biogeography
Neo Darwinism was developed in early
✓ Q.126
Its allele is dominant and is situated on the 'X' chromosome only
Its allele is recessive Its allele is recessive and is situated on the 'X' chromosome only
A.
1920s
B.
1930s
C.
1940s
D.
None
Darwin wrote a long essay on the origin of species and natural selec on in: A.
1858
C.
1811
✓
B.
1809
D.
1844
B.
Mammals
Fossils fishes are the earliest vertebrates with _______next. A.
Rep les
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A.
60%
C.
40%
Haemophilia is a serious gene c diseases in which
D.
Amphibians
A.
Blood clots very fast
C.
Forma on of red blood cells increases
✓ ✓
B.
30%
D.
50%
B. D.
Blood fails to clot or clots very slowly a er an injury Haemoglobin fails to absorb oxygen
B.
Lithospheric ecosystem
D.
Both a & b
The ecosystem present on land or soil is called: A.
Terrestrial
C.
Aqua c
✓
The processes that have transformed life on earth from its earliest forms to the vast diversity that is observed today are called: A.
Evolu on
B.
Emigra on
C.
Immigra on
D.
Inheritance
B.
Nic ta ng memebrane
D.
All a, b, c
In man the ves gial organs are: A.
Ear muscles
C.
Coccyx
✓
Colour blindness is a
✓
A.
Recessive trait in human on X chromosome
B.
Recessive trait in human on Y chromosome
C.
Dominant trait in human on X chromosome
D.
Dominant trait in human on Y chromosome
Number of Individuals of an area belonging to same species are
✓
A.
Popula on
B.
Gene pool
C.
Species
D.
Both a and b
B.
Rep les and Birds
D.
Rep les and mammals
The fossil remains of archaeopteryx shows characteris cs of A.
Amphibians
C.
Fish and amphibians
✓
The two linked genes A and B with a 30% recombina on frequency must be A.
15 units apart
C.
60 units apart
✓
B.
30 units apart
D.
90 units apart
B.
Adult blindness
D.
All of these
Diabetes is the leading cause of A.
Kidney failure
C.
Heart disease
✓
The succession of fossil forms a strong evidence in favour of:
✓
A.
Evolu on
B.
Muta on
C.
Gene c dri
D.
Demography
Genes for alpha and beta chains of hemoglobin are found on which chromosomes?
✓
A.
Chromosome 16 alpha; chromosome 11 beta
B.
Chromosome 11 alpha; chromosome 16 beta
C.
Chromosome 11
D.
Chromosome 16
Tritanopia is blindness of :
✓ Q.141
✓
If six cells out of 10, do crossing over what will be percentage of cross over gametes
✓
Q.132
Birds
Page 9
A.
Red Colour
B.
Green Colour
C.
Blue Colour
D.
Pink Colour
B.
Insect larvae
D.
All a, b, c
Li oral invertebrate animals include: A.
Small crustaceans
C.
Snail flatworms
✓
Remains of plants and animals lived in ancient geological me is called
✓
A.
Fossils
B.
Moid
C.
Cast
D.
None of these
B.
Bridges
D.
De Varies
Who for the first me found white eye mutant in drosophila ? A.
Morgan
C.
Correns
✓
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Q.145
Q.146
When the change in frequency of alleles at a locus occurs by chance it is called: Migra on
C.
Selec on
A.
Eyes
C.
Nasal cavity
Q.155
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Cerebrum
B.
Produndal zone
C.
Limne c zone
D.
Benthic zone
A.
Evolu on
B.
Catastrophism
C.
Random ma ng
D.
New-Drawinism
Light None
✓
B.
Nutrients
D.
Both a & b
A.
A
B.
B
C.
AB
D.
AB
A.
Andropogon
B.
Panicum
C.
Both a & b
D.
S pa
Which colour blindness is not sex linked A.
Green
B.
Red
C.
Blue
D.
None
The fossil remains of archaeopteryx were found from
✓
A.
Jurassic rocks
B.
Triassic rocks
C.
Cretaceous rocks
D.
Cenozoic rocks
What is the risk of a colour blind child in a family when mother is colour-blind but father is normal? A.
100%
B.
75%
C.
50%
D.
25%
Darwin observed differences among -------------------- collected from different con nents
✓
A.
Fauna and flora
B.
Only fauna
C.
Only flora
D.
Finches
When a person with A blood group is ma ed with B blood group person then one of the following cannot happen
✓
A.
AA
B.
Ab
C.
BO
D.
AO
B.
Homologous
D.
None
B.
Overdominance
D.
Mul ple allelism
Forelimbs of bat and armadilo would be A.
Analogous
C.
Ves gial
✓
Inheritance of 'ABO' blood group shows A.
Polyploidy
C.
Incomplete dominance
✓
In sub humid tropical grassland rate of primary produc on is more than:
✓ Q.159
D.
Which one is Tall grass:
✓ Q.154
Throat (pharynx)
Which blood group has no an bodies of ABO system?
✓
Q.153
B.
The produc vity of aqua c ecosystem is basically determined by:
✓
Q.152
Nonrandom ma ng
________ refers to the processes that have transformed life on earth from its earliest forms to the vast diversity that we observe today
✓
Q.151
Gene c dri
Li oral zone
C.
Q.150
✓
B. D.
A.
A. Q.149
✓
Open water area up to the light penetra on is:
✓
Q.148
A.
In human, Eustachian tube connects the middle ear with:
✓ Q.147
Page 10
A.
2000 g/m2
B.
3000 g/m2
C.
4000 g/m2
D.
6000 g/m2
Natural selec on can amplify or diminish only those varia ons that are: A.
Non-heritable
C.
Both a & b
✓
B.
Heritable
D.
None
Modern theory of synthesis is called
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Q.161
Q.162
A.
Darwinism
C.
Lamarckism
The study of animals referred as A.
Flora
C.
Birds
Sickle cell muta on affects A.
One beta chain
C.
Only alpha chain
Q.163
Evolu on is defined as
Q.164
History of race History and development of race with varia ons Which of the following processes can reduce varia ons?
Q.165
✓
A. C.
✓
A. C.
Q.167
Q.168
Q.170
✓
Q.172
Q.173
Q.174
Q.175
Q.176
✓
Neo Darwinism
D.
None
B.
Fauna
D.
Insects
B.
Both beta chains
D.
None of the alpha or beta chain
B.
Development of race
D.
Progressive history of race
Inbreeding
B.
Out breeding
Cross pollina on
D.
Hybridza on
A.
A
B.
B
C.
C
D.
All
A.
How new species arise
B.
The origin of life
C.
How Adapta ons evolve
D.
How ex nc ons occur
B.
46
D.
47
How many chromosomes are present in human A.
48
C.
49
✓
Protanopia are those who can / are A.
See red
B.
Green blind
C.
Red blind
D.
Blue blind
Armadillos, the armoured mammals live only in the: A.
Africa
C.
Europe
✓
B.
America
D.
Asia
How many pairs of sex chromosomes are present in human
✓ Q.171
✓
B.
Darwin's theory, as presented in the Origin of species, mainly concerned:
✓ Q.169
✓
The chances of which hemophilia is equal in males & females
✓ Q.166
Page 11
A.
Tow pairs
B.
Three pairs
C.
One pairs
D.
No paire
The change in frequency of alleles at a locus that occurs by chance is: A.
Gene pool
C.
Gene c wa
Haemophilia is of A.
Two types A B
C.
Three types A C D
✓ ✓
B.
Muta on
D.
Gene c dri
B.
Three types A B C
D.
None of these
Blood pressure is also an example of _______ trait
✓
A.
Mul factorial
B.
Qualita ve
C.
Single genic
D.
Both a & b
Who was in charge of invertebrate collec on at the History Meseum in Paris? A.
Linnaeus
C.
Wallace
✓
B.
Lamarck
D.
Lyell
Homogene s c acid is oxidized rapidly when exposed to air, turning the urine A.
White
C.
Blue
✓
B.
Purple
D.
Black
Water is stored for use during the period of drought in fleshy stems of:
✓
A.
Cac
B.
Euphorbia
C.
Both a & b
D.
None
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Darwin had an expedi on on beagle to ________ coastline
✓ Q.178
Q.179
Q.180
Q.181
Q.183
Q.184
A.
European
B.
North American
C.
South American
D.
African
B.
Convergent of evolu on
D.
None of these
B.
Homologous
D.
Homozygous
Wings of birds, bat and insects are the examples of A.
Evolu on
C.
Divergent evolu on
The flower parts of a flowering plant are: A.
Analogous
C.
Heterozygous
A.
Segrega on
C.
Non-disjunc on
Q.186
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Q.190
Q.191
Q.192
✓
B.
Independence
D.
Crossing over
A.
All living things were specially created
B.
They form a food chain
C.
All living things are related to each other
D.
They have undergone muta on
B.
Gametes
D.
Soma c cells
Mutatuons are inherited only if they occur in the A.
Gland cells
C.
Muscle cells
✓
Colour blindness genes are passes from
✓
A.
Woman to her son
B.
Man to his son
C.
Woman to her daughter
D.
Woman to her son
B.
Homologous structures
C.
Used by the embryos to breathe
B.
1809
D.
1945
The gill pouches of mammals and birds embryos are ✓ A. Support for "ontogeny recapitulates phylogeny" Evidence for the degenera on of unused body parts
Jean Bap ste Lamarck published his theory of evolu on in: A.
1757
C.
1859
✓
Allele for whiteness in Drosophila is :
✓
A.
Recessive
B.
Codominant
C.
Dominant
D.
Par ally Dominant
Linkage genes are composed of
✓ Q.188
✓
Similari es in the nature of protein, DNA and RNA have confirmed that
D. Q.185
✓
Most gametes have parental combina on of linked genes but some are different as a result of
✓ Q.182
Page 12
A.
groups affect the same characteris cs
B.
preset in the same nucleus
C.
on the same chromosomes
D.
all of the above
In certain areas, such as Ecuador, forest coverage has been reduced by: A.
50%
C.
78%
Archaeobacteria could tolerate temperatures up to : A.
140°C
C.
95°C
Which of the following statement is true A. Darwin collected 10 types of finches from galapagos island C. Darwin collected 20 types of plant species from Galapagos island
B.
67%
✓
D.
95%
✓
B.
120°C
D.
70°C
B.
Darwin collected 13 types of finches from Galapagos island Darwin collected 13 types of sparrow species from Galapagos island
✓
D.
It was the geographical distribu on of species that first suggested the idea of evolu on to:
✓
A.
Charles Darwin
B.
Alfred Wallace
C.
Charles Linnaeus
D.
J.B Lamarck
Ozone in the upper layer of atmosphere filters______ radia on: A.
Infra-red-radia ons
C.
β radia ons
✓
B.
γ radia ons
D.
Ultraviolet radia ons
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Some amoeboflagellate ingested cyanobacteria and led to the development of:
✓ Q.194
Q.195
Q.197
Q.198
Q.199
Q.201
Q.203
✓
Q.205
Q.206
Q.207
Vacuoles
A.
Linnaeus's
C.
Lamarck's
✓
B.
Darwin's
D.
Francis's
A.
Individual
B.
Species
C.
Popula on
D.
Community
A.
1500 mm
B.
2000 mm
C.
2500 mm
D.
3000 mm
B.
Cell membrane of liver cells
D.
Cell membrane of all body cells
A.
Cytoplasm of muscle cells
C.
Cell membrane of muscles and liver cells
✓
Which of these traits zigzags from meternal grand father through a carrier daughter to a grandson ? A.
autosomal
C.
Y-linked
✓
B.
X-linked
D.
X and Y linked
Towards the ends of the _______ century several naturalist have suggested that life had evolved along with the evolu on of earth. A.
Sixteenth
B.
Nineteenth
C.
Eighteenth
D.
Seventeenth
Evolu onary change is based mainly on the interac ons between popula ons of organisms and their: A.
Enemies
C.
Mates
✓
B.
Habitats
D.
Environments
Universal donors are A.
Recessive
B.
Rare
C.
Both
D.
Dominant
Flagella may have arisen through the inges on of prokaryotes similar to spiral-shaped bacteria called;
✓
A.
Spirochetes
B.
Vibrio
C.
Closteridium
D.
Salmonella
Haemophilia A.
A B are allelic dominant sex-linked
B.
A B are allelic recessive sex-linked
C.
A B are non-allelic recessive sex-linked
D.
A B are non-allelic dominant sex-linked
Coniferous forests located at high al tude are called:
✓
A.
Alpine
B.
Boreal
C.
Arc c
D.
Both a & b
The most threatened areas on the earth, have been reduced to 44% of their original extent are:
✓
A.
Tropical rain forests
B.
Temperature rain forests
C.
Carboniferous forests
D.
Deciduous rain forests
When one gene masks the effect of another gene the phenomena is called A.
Pleiotropy
C.
Bombay phenotype
✓
B.
Epistasis
D.
None of these
A phenotype which can't be expressed in heterozygous state but can only be expressed other in homo or hemi form, would be
✓ Q.208
Golgi apparatus
D.
Insulin receptors are present in
✓ Q.204
B.
Chloroplasts
In tropical and subtropical grassland, rain reaches about:
✓ Q.202
Mitochondria
C.
Natural selec on occurs through an interac on between the environment and the variability inherent in any:
✓ Q.200
A.
Alfred Wallace developed a theory of natural selec on essen ally iden cal to:
✓ Q.196
Page 13
A.
Dominant
B.
Bombay
C.
Recessive
D.
Ordinary
B.
Mul ple alleles
D.
All of these
By muta on two alternate forms of a gene is known as A.
Mul ple factors
C.
Mul genes
✓
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Northern coniferous forests are also called:
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✓
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B.
Taiga
D.
None
A.
Atlan c
B.
Pacific
C.
Indian
D.
North Pacific
A.
3
B.
4
C.
6
D.
7
B.
Point muta on
D.
Chromosomal aberra ons
A.
Inversion
C.
Dele on
✓
The processes that have transformed life an earth form its earliest forms to the vast diversity that we observe today, are collec vely referred as : A.
Evolu on
B.
Succession
C.
Revolu on
D.
All of above
B.
Flora
D.
All of these
The study of plants referred as A.
Fauna
C.
Fossils
✓
If all members of a popula on are homozygous for the same allele, that allele is said to be: A.
Mul ple allele
B.
Jumping gene
C.
Fixed in the gene
D.
Prefect gene
Which type of struggle for existence is more challenging
✓
A.
Intra-specific
B.
Inter-specific
C.
Among communi es
D.
None of these
Who was famous for his published on the "Principal of popula on". A.
Medel
C.
Cuvier
✓
B.
Malthus
D.
Lyell
The perennial plants are bushes or cac with large shallow root system in: A.
Grassland
C.
Tundra
✓
B.
Deserts
D.
Taiga
Temperatures may be below freezing point, up to 10 C in:
✓
A.
Coniferous alpine and boreal forests
B.
Tropical rain forests
C.
Grassland ecosystem
D.
Desert
B.
Atusomes
D.
Dictyosomes
B.
1.5 billion year ago
D.
1.2 billion year ago
All chromosomes other than sex chromosomes are called : A.
Linked chromosomes
C.
Autophagosommes
Eukaryotes are thought to hve evolved firstly about: A.
1.3 billion year ago
C.
1.7 billion year ago
✓ ✓
Acquired characteris c of an individual cannot be:
✓
A.
Inherited
B.
Lost
C.
Flourished
D.
Mutated
Remote homologies can be found in
✓ Q.224
Savanna
Muta on of one or two N-bases is
✓ Q.216
C.
✓
There are ________ total possible genotypes of blood group ABO system
✓
Q.214
Tundra
The ocean between Europe and North America
✓ Q.212
A.
Page 14
A.
Homologous organs
B.
Analogous organs
C.
Ves gial organs
D.
All of these
B.
Prokaryotes
D.
Fungi
Oldest known fossils are of: A.
Plants
C.
Eukaryotes
✓
Darwin collected 13 types of birds of :
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B.
Sparrows
D.
Finches
A.
DNA & fats
B.
DNA & RNA
C.
Proteins & RNA
✓
D.
DNA & Protein
A.
Complete Dominance
C.
Par al Dominance
✓
B.
Incomplete Dominance
D.
Both b and c
Man has ____________ linkage group
✓
A.
23
B.
21
C.
25
D.
46
An important ves gial organ of man is
✓
A.
Ear muscles
B.
Nasal membrane
C.
Colon
D.
Rectum
Annual rain fail in deserts is less than:
✓
A.
25 to 50 cm
B.
10 to 20 cm
C.
15 - 25 cm
D.
20 to 40 cm
B.
Natural selec on
D.
Catastrophism
Evolu onists believed in the theory of; A.
Ar ficial selec on
C.
Lamarckism
✓
What is the basis of polygenic inheritance A.
linkage
B.
polyploidy
C.
Con nuous varia on
D.
codominance
Ul mate source of all changes is :
✓
A.
Muta on
B.
Gene c dri
C.
Evolu on
D.
Migra on
Which of the following cross is carried to check the genotype fo an individuals showing a dominant phenotype ? A.
Check cross
C.
Criss Cross
The book The Origin of Species was published A.
By Lamarck in 1858
C.
By Watson in 1858
Insulin dependent diabetes mellitus is due to A.
Obesity
C.
Aging
✓ ✓ ✓
B.
Test Cross
D.
Self Cross
B.
By Darwin in 1859
D.
By Patrick in 1859
B.
Auto immunity
D.
Cancer
Which of the following traits is not sex-linked recessive ? A.
haemophilia
B.
colour blindness
C.
hypophosphatemic ricket
D.
m syndrome
Among the birds Darwin collected on Galapagos 13 type of _______ A.
Robbins
C.
Crow
✓
B.
Finches
D.
King fishers
Genes which don't se le at one place
✓ Q.240
Kingfishers
✓
The dominance rela ons of 4 O'clock plant can be described in terms of :
✓ Q.238
Robins
Evolu onary rela onship among species are reflected in their:
✓ Q.233
Page 15
A.
Walking genes
B.
Running genes
C.
Jumping genes
D.
All of these
The average rainfall is between 750 - 1500 mm in:
✓
A.
Temperate deciduous forests
B.
Coniferous alpine and boreal forests
C.
Tropical rain forests
D.
Grassland ecosystem
The water is shallow, and plants find abundant light, anchorage and adequate nutrients from the bo om sediments in:
✓
A.
Profundal zone
B.
Limne c zone
C.
Li oral zone
D.
None
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DNA stores all informa on coded in sequence in a linear order is known as
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✓
Q.251
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✓
Q.256
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Locus
B.
Gene
D.
None of these
A.
Green
B.
Red
C.
Blue
D.
All
A.
In which blood fails to clot from minor injury
B.
In which blood prepare clo ng factors for clot
C.
In which blood blocked the arteries
D.
None of these
A.
A
B.
B
C.
C
D.
Both a & b
Which phenomenon reduces the chances of gene c recombina on and varia ons among offspring ?
✓
A.
linkage
B.
crossing over
C.
independent assortment
D.
dominance
The idea of endosymbiont hypothesis was first proposed by:
✓
A.
Lynn marguils
B.
Wallace
C.
Karlene Schwartz
D.
Lamarck
Popula on is a localized group of individuals belonging to :
✓
A.
same species
B.
different species
C.
same community
D.
same stand
Who gave the word of genes A.
Fleming
B.
Correns
C.
Johannsen
D.
Avery
An organism with two iden cal alleles of a gene in a cell is called
✓
A.
Homozygous
B.
Dominant
C.
Heterozygous
D.
Hybrid
B.
Play
D.
Tree
According to Darwin the history of life is like a: A.
Dream
C.
Hierarchy
✓
The organs that func onally different and structurally alike are known as A.
Analogous organs
C.
Rudimentary organs
✓
B.
Homologous organs
D.
None of these
B.
Threatened species
D.
Endangered species
A species is likely to become endangered in the near future is: A.
Scarce species
C.
Rare species
✓
Which of the following traist is transmi ed directly from an affected to only its sons? A.
autosomal
B.
X-linked
C.
Y-linked
D.
X and Y linked
B.
11
D.
19
Secretors have dominant secretor gene "Se" on chromosome A.
9
C.
21
✓
Gene frequency can be altered by _______ factors.
✓ Q.257
C.
✓
Which type of hemophilia is due to disturbance in factor XI
✓ Q.255
Allele
Haemophilia is a disease
✓ Q.250
A.
Deuteranopia is _________ colour blindness
✓ Q.246
Page 16
A.
One
B.
Two
C.
Many
D.
Four
Most of the fossils are found in
✓
A.
Sedimentary rocks
B.
Sand stone
C.
Lime stone
D.
Kalsite
The parts of the body used extensively to cope with the environment become larger and stronger, while those that are not used deteriorate was argued by:
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Monogenic inheritance
C.
Pleiotropic inheritance
Alfred Wallace
D.
J.B Lamarck
✓
B.
Polygenic inheritance
D.
None of these
A.
Biochemistry
B.
Cell biology
C.
Molecular biology
D.
All a, b, c
A.
Ves gial
C.
Rudimentary
B.
Autosomal
D.
None of these
✓ ✓
A localized group of individuals belonging to the same species is called: A.
Community
C.
Clan
Rh factor is encoded by A.
2 genes which occupy 3 loci
C.
2 genes which occupy 2 loci
✓ ✓
B.
Popula on
D.
Both b & c
B.
3 genes which occupy 2 loci
D.
3 genes which occupy 3 loci
Alleles are A.
Homologous chromosomes
B.
Chromosomes that have crossed over
C.
Alternate forms of gene
D.
Linked genes
Felis bengalensis is commonly known as: A.
Bear cat
B.
Tiger cat
C.
Leopard cat
D.
Pussy cat
To prevent erythroblastosis foetalis mother is given Rh-an serum A.
During early pregnancy
B.
A er birth
C.
At both mes
D.
Not given
B.
5%
D.
1%
Fresh water ecosystem covers less than: A.
7%
C.
3%
✓
Queen victoria was having which kind of haemophilia
✓
A.
A
B.
B
C.
C
D.
None
B.
Bright red eyes
D.
Black eyes
Normal fruit flies have : A.
White eyes
C.
Light red eyes
✓
Which of the following character of phenotype are affected by genotype A.
skin colour
C.
height
What is the 5th amino acid in sickle cell beta chain A.
His dine
C.
Leucine
✓ ✓
B.
blood group an gens
D.
intelligence
B.
Proline
D.
Valine
A group of individuals that have the poten al to interbreed in nature is called:
✓ Q.273
A.
The chromosomes other than sex are called
✓ Q.267
Carolus linnaeus
B.
✓
Prokaryotes are the ancestors of all life as evident from:
✓ Q.266
Charles Darwin
Inheritance of colour of kernel in wheat is an example of
✓ Q.265
Page 17
A.
Popula on
B.
Community
C.
Species
D.
Clan
A.
Carrier of haemophilia gene
B.
Not carrier of haemophilia gene
C.
Both man and woman are carriers
D.
Son of man is carrier
Woman is
✓
Moderate temperature ranges from 4 C - 30 C in:
✓
A.
Temperate deciduous forests
B.
Tropical rain forests
C.
Coniferous alpine forests
D.
Coniferous boreal forests
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Archaebacteria tolerate temperatures up to:
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67 C
✓
40 C
D.
120 C
A.
Chromosome 9
B.
Chromosome 19
C.
x-chromosome
D.
y-chromosome
A.
Man
B.
Fungi
C.
Bacteria
D.
Viruses
A.
Past
B.
Present
C.
Future
D.
All a, b, c
Which of these represent the p of evolu onary tree which Darwin explained in " Descent with modifica on" A.
Man
C.
Angiosperms
✓
B.
Cow
D.
All
An -Rh an bodies appear in plasma
✓ Q.281
C.
B.
Darwin believed in unity in life, with all organisms related through descent from some common ancestor that lIved in the remote:
✓
Q.279
10 C
An example of natural selec on in ac on is the evolu on of an bio c resistance in:
✓ Q.278
A.
Color blindness, haemophilia and gout form linkage group onj
✓ Q.277
Page 18
A.
During first few months
B.
During last months
C.
Only when s mulated
D.
If Rh+individual mistakenly receives Rh-blood
The most common form that does not alter allele frequency, but lessens the propor on of heterozygous individuals is:
✓
A.
Inbreeding
B.
Crossbreeding
C.
Random breeding
D.
Breeding
When a haemophilic carrier woman marries a normal man, who among her offspring may be affected A.
all her children
C.
half of her daughter
✓
B.
all her daughter
D.
half of her sons
The gill pouches develop into the eustachian tubules that connect the middle ear with the:
✓
A.
Throat
B.
Neck
C.
Nose
D.
Larynx
Bap st Lamarck published his theory of evolu on in: A.
1808
C.
1810
The varia ons in blood group is an example of A.
Single gene trait
C.
Dominant gene trait
✓ ✓
B.
1809
D.
1801
B.
Mul ple allele trait
D.
All of these
Galapagos Islands visited by Darwin are near
✓
A.
South America
B.
Australia
C.
South Africa
D.
Europe
Biogeography was the geographical distribu on of:
✓
A.
Species
B.
Phyla
C.
Classes
D.
Genera
A gene pool consists of: A.
All the alleles exposed to natural selec on
C.
The en re genome of a reproducing individual
A single gene with mul ple phenotypic effects represents A.
Co-dominance
C.
Epistasis
Which enzyme deficiency leads to phenylketonuria A.
Phenylalanine oxidase
C.
Phenylalanine synthase
✓ ✓ ✓
B.
The total of all alleles present in a popula on
D.
All the gametes in a popula on
B.
Pleiotropy
D.
Crossing over
B.
Phenylalanine hydroxylase
D.
Phenylalanine carboxylase
Chances of haemophilia
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A.
In man is greater than woman
B.
In woman is greater than man
C.
Equal in both sexes
D.
None of these
In case of sickle cell anemia, in place of glutamic acid, _________ is found A.
His dine
C.
Proline
A.
Popula on ecology
C.
Demography
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✓
Q.305
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B.
Popula on gene cs
D.
Biometry
Prairies
B.
Pampas
C.
Savanna
D.
Steppes
B.
Pinus Wallichiana
D.
All a, b, c
Taxus baccata Berberis lyceum
✓
A.
420
B.
380
C.
250
D.
140
A.
Cytochrome a
B.
Cytochrome b
C.
Cytochrome c
D.
Cytochrome d
If husband and wife have 'O' blood groups they will have no child of A.
A
C.
AB
✓
B.
B
D.
All
B.
Aqua c snakes
D.
All a, b, c
B.
Vermiform appendix in carnivores
D.
Both b and c
Li oral vertebrates include: A.
Frogs
C.
Turtles
✓
Which of the following is true about ves gial organs A.
Back limbs in mammals
C.
Ear muscles in man
✓
The organ which become reduced or non-func onal in an organism but is func onal and well developed in alike form is called A.
Homologous organ
C.
Primordial organ
✓
B.
Ves gial organ
D.
Analogous organ
In the eighteenth century organisms were classified by: A.
Charles Darwin
B.
Alfred Wallace
C.
Carolus Linnaeus
D.
J.B Lamarck
A person having blood type O is universal donor because of A.
Absence of an bodies in blood
B.
Presence of an gen A only
C.
Absence of an gens on RBCs
D.
Presence of an gens B only
Haemophilia is generally appeared in male whereas female carry this gene but not affected females
✓
A.
the gene is carried by the X chromosome
B.
the gene is inac ve in the female
C.
gene is carried on the Y chromosomes
D.
none of the above
Penguin is a bird that lost the use of its wings by not flying, Such statement would express the views of
✓ Q.306
✓
A respiratory protein found in all aerobic species is:
✓ Q.304
Leucine
Enough protec ve ozone had built up to make life on land possible about-------million years ago:
✓ Q.303
D.
Some dominant trees of temperate deciduous forests are:
✓ Q.298
Valine
A.
C.
Q.297
B.
The grasslands in tropic climates have woody trees and are called:
A. Q.296
✓
An important turning point for evolu onary theory was the birth of:
✓ Q.295
Page 19
A.
Darwin
B.
Wallace
C.
Lamarck
D.
Huxley
A group of inter-breeding individuals belonging to par cular species and sharing a common geographic area is:
✓
A.
Popula on
B.
Community
C.
Clan
D.
Family
B.
Alfred Wallace
Among the scien sts who believed in divine crea on was: A.
Charles Darwin
✓
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✓
Q.316
Q.317
B.
Muta on
C.
Homozygous
D.
Histogram
B.
1707 - 1778
D.
1944 - 1929
Life span of Lamarck is: A.
1744 - 1829
C.
1797 - 1875
Q.319
Q.320
Q.321
Q.322
✓
Which of the following is not true from the chromosome pairing
✓
A.
XY-female
B.
XXY-female
C.
YXY-male
D.
XY-male
The first photosynthe c organisms probably used hydrogen sulphide as a source of hydrogen for reducing carbon dioxide to: A.
Proteins
B.
Fats
C.
Sugars
D.
All a, b, c
Darwin proposed a mechanisms for evolu on which he termed:
✓
A.
Natural Selec on
B.
Ar ficial selec on
C.
Automa c selec on
D.
None of these
B.
Dominant
D.
Adaptable
Frequency of a character increases when it is Recessive Mutated
✓
The presence of notochord, gill slits and dorsal hollow central nerve tube are the characteris c factures of A.
Fishes
C.
Invertebrate
✓
B.
Chordates
D.
All the animals
What will be the risk of heamophilia in sons if father is haemophilic and mother is normal
✓
A.
0%
B.
20%
C.
25%
D.
50%
What is the probability of having albino child if father and mother both are carrier(Aa)
✓
A.
25%
B.
30%
C.
50%
D.
75%
Emigra on and immigra on of members of a popula on cause disturbance in the:
✓ Q.318
J.B Lamarck
Linkage
C.
Q.315
D.
A.
A. Q.314
Carolus Linnaeus
The phenomenon of staying together of all the genes of chromosomes is called
✓ Q.312
Page 20
A.
Gene c dri
B.
Genotype
C.
Gene pool
D.
Gene tarn
Endangered species of plants have been recorded to more than: A.
200
C.
400
✓
B.
300
D.
500
What happens when both alleles of a gene pair independently express in a heterozygote? A.
dominance
C.
over dominance
B.
incomplete dominance
✓
D.
codominance
B.
130 C
✓
D.
120 C
B.
Damages brain cells
D.
All of these
B.
Glucokinase
D.
Both a & b
Archaebacteria can tolerate temperature upto: A.
100 C
C.
140 C
Bilirubin A.
Turns skin Yellow
C.
Causes jaundice
✓
Which can convert glucose to glucose 6 phosphate A.
Hexokinase
C.
Phospho fructokinase
✓
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Q.2
A.
Anatomy
C.
Analogy
Q.6
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Q.8
Q.9
Q.11
Q.12
Q.13
Q.14
Homology Palaeontology
Sex genes Autosomal genes
✓
B.
Dominant genes
D.
Pseudoautosomal genes
A.
Wallace
B.
Malthus
C.
Lyell
D.
Cuvier
Popula on is a localized group of individuals belonging to
✓
A.
Same species
B.
Different species
C.
Same community
D.
Same stand
B.
Neo Darwinism
D.
None
Modern theory of synthesis is called A.
Darwinism
C.
Lamarckism
✓
An example of natural selec on in ac on is the evolu on of an bio c resistance in A.
Man
C.
Viruses
✓
B.
Bacteria
D.
All of above
When a haemophilic carrier woman marries a normal man, who among her offspring may be affected A.
All her children
C.
Half of her daughters
✓
B.
All her daughters
D.
Half of her sons
Lamarck was incharge of invertebrate collec on at Natural History Museum is A.
Berlin
C.
California
✓
B.
Paris
D.
Brun
Essay on "Principle of popula on" was published by
✓ Q.10
B. D.
Essay on "Principles of geology" was published by
✓
Q.5
✓
X and Y linked genes are also called as C.
Q.4
Genetics
Similarity in characteris cs resul ng from common ancestry is known as
A. Q.3
Page 1
A.
Cuvier
B.
Mendel
C.
Malthus
D.
Darwin
B.
60%
✓
D.
95%
✓
B.
Ves gial organs
D.
All of the above
B.
Importance of quan ta ve characters
D.
Both A and B
In Ecuador, forest coverage has been reduced by A.
85%
C.
44%
The oldest homologous structures are A.
Homologous organs
C.
Analogous organs
Popula on gene cs emphasized on A.
Extensive gene c varia on within popula on
C.
Importance of qualita ve characters
✓
Which of these traits zigzags from maternal grand father through a carrier daughter to a grandson A.
Autosomal
C.
Y-linked
Study of distribu on of living things on earth is called A.
Compara ve anatomy
✓ ✓
B.
X-linked
D.
X and Y linked
B.
Biogeography
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✓ ✓
Q.28
✓
Popula on
D.
Family
B.
Prokaryotes
D.
Bacteria
A.
Dipnoi
C.
Archaeopteryx
✓
A.
Gene c Dri
B.
Gene c change
C.
Gene muta on
D.
Gene frequency
A.
Lynn Margulis
B.
Malthus
C.
Cuvier
D.
Darwin
B.
South American fossils
C.
13 types of finches
D.
Turtles
A.
Homologous organs
B.
Anatomous organs
C.
Analogous organs
D.
None of these
A.
600
B.
400
C.
500
D.
300
B.
1881
D.
1902
C. Darwin died in the year A.
1866
C.
1882
✓
Darwin theory of evolu on was mainly based on the evidence from A.
Geographical distribu on of species
C.
Compara ve anatomy
✓
B.
Fossil record
D.
Both A and B
Charles Darwin was born in Shrewsbury, in Western England in A.
1854
B.
1807
C.
1809
D.
1866
A heterozygote offspring quan ta vely exceeds the phenotypic expression of both the homozygote parents due to A.
Dominance
B.
Incomplete dominance
C.
Over Dominance
D.
Codominance
Oldest known vertebrate fossils belong to the class A.
Rel lia
B.
Amphibia
C.
Pisces
D.
Mammalia
According to endosymbiont hypothesis the aerobic bacteria developed into A.
Lysosomes
C.
Chloroplast
✓
B.
Mitachondria
D.
Nucleus
Gene c basis of ABO blood group system was explained by A.
Landsteiner
B.
Levine
C.
Bernstein
D.
Carl Correns
Cytochrome c, a respiratory protein is found in all
✓ Q.30
C.
Endangered plant species have been recorded to more than
✓ Q.29
Species
The structures or organs which are structurally alike but func onally different, called as
✓ Q.27
B.
Which of the following things were not collected by Darwin? A. Specimens of diverse faunas and floras of south America
✓ Q.26
Community
Endosymbiont hypothesis was first proposed by
✓ Q.25
Zoogeography
The change in frequency of alleles at a locus that occurs by chance is called
✓ Q.22
D.
A.
The oldest known fossils are
✓ Q.20
Compara ve embryology
Gene pool consists of all alleles t all gene loci in all individuals of the
✓ Q.16
Page 2
A.
Anaerobic species
B.
All eukaryotes
C.
Aerobic species
D.
All prokaryotes
B.
Taxonomy and biogeography
D.
All of above
Modern synthesis or Neo-Darwinism includes ideas from A.
Palaeontology
C.
Popula on gene cs
✓
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Rh factor or an gen was first studied in
✓ Q.32
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A.
Man
B.
Owl
C.
Monkey
D.
Fish
Allele for whiteness in Drosophilla is
✓
A.
Recessive
B.
Codominant
C.
Dominant
D.
Par ally dominant
Eukaryotes are thought to have evolved firstly about A.
1.3 billion years ago
C.
1.7 billion years ago
✓
Q.42
Same characters
C.
Different ancestors
D.
Different characters
B.
Genotypes
D.
All of above
A.
Genes
C.
Phenotypes
Q.45
✓
A.
Linkage
B.
Crossing over
C.
Independent assortment
D.
Dominance
Darwin proposed a mechanism for evolu on, which he termed
✓
A.
Natural selec on
B.
Special reac on
C.
Adapta on
D.
Descent with modifica on
B.
Bridges
D.
De Varies
Who for the first me found white eye mutant in Drosophila
Q.47
Morgan Correns
✓
Darwin collected how many types of finches on Galapagos A.
10
B.
12
C.
13
D.
15
Use and disuse of organs, supports the theory of
✓
A.
J.B Lamarck
B.
Darwin
C.
Cuvier
D.
None
Ul mate source of all changes is
✓
A.
Muta on
B.
Gene c Dri
C.
Evolu on
D.
Migra on
Darwin collected 13 types of birds of Robins Kingfishers
Archaeobacteria could tolerate temperatures up to A.
140°C
C.
95°C
B.
Sparrows
✓
D.
Finches
✓
B.
120°C
D.
70°C
Which of the following hypothesis involved the evolu on of eukaryo c cell from a prokaryo c cell A.
Endosymbiont hypothesis
C.
Vent hypothesis
Which of the following is a ves gial organ A. Ves ges of pelvic and leg bones in skeletons of whale
✓ Q.46
✓
Which phenomenon reduces the chances of gene c recombina on and varia ons among offspring
C.
Q.44
1.2 billion years ago
B.
A. Q.43
1.5 billion years ago
Same ancestor
Related to the allele frequencies are the frequencies of
✓
Q.41
B. D.
A.
C.
Q.40
✓
According to Darwin descent with modifica on means
A. Q.39
Page 3
D.
✓
B.
Membrane invagina on hypothesis
D.
Both A and B
B.
Vermiform appendix in carnivores
C.
Ear muscles in man
All of above
Most fossils are found in
✓
A.
Sedimentary rocks
B.
Modern rocks
C.
Igni ous rocks
D.
All of the above
The prokaryotes may have arisen more than
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B.
42 billion years ago
C.
3.5 billion years ago
D.
1.5 billion years ago
B.
Carolous Linnaeous
D.
Wallace
A.
Darwin
C.
Lamarck
✓
A.
2500
B.
300
C.
500
D.
1500
Which of the following factor cannot change the gene frequency
✓
A.
Random fer liza on
B.
Selec on
C.
Inbreeding
D.
Migra on
B.
America
D.
Australia
Armadillos are the armored mammals that live only in the A.
Africa
C.
Europe
✓
What happens when both alleles of a gene pair independently express in a heterozygote A.
Dominance
C.
Over dominance
✓
B.
Incomplete dominance
D.
Codominance
If all members of a popula on are homozygous for the sme allele, the allele is said to be A.
Dominanat allele
C.
Recessive allele
✓
B.
Fixed allele
D.
Mul ple allele
B.
Invasions from foreign species
D.
All of above
The main causes of ex nc on of species include A.
Climate change
C.
Pollu on
✓
The first person who argued from evidence that species were not created in their present form rather they had evolved from ancestral species was A.
Aristotle
B.
Lamarck
C.
Darwin
D.
Mendel
In humans gills are modified to form
✓
A.
Eustachian tubes
B.
Lungs
C.
Ear
D.
Throat
Which of the following can change the overall gene c structure of a popula on A.
Sexual recombina on
C.
Shuffling of alleles due to meiosis
✓
B.
Random fer liza on
D.
Migra on
Armadillos, the armoured mammals live only in
✓ Q.59
420 million years ago
Endangered species of plants have been recorded to more than
✓ Q.56
A.
Among the scien sts who believed in divine crea on as
✓ Q.50
Page 4
A.
Asia
B.
Europe
C.
America
D.
Africa
B.
1844
D.
1859
Darwin published " The Origin of Species" in A.
1840
C.
1858
✓
An exchange of segments between non-sister chroma ds of homologous chromosomes during meiosis is termed as
✓
A.
Crossing over
B.
Hopping
C.
Taking over
D.
Segrega on
Number of individuals of an area belonging to same species are
✓
A.
Popula on
B.
Gane Pool
C.
Species
D.
Both a and b
B.
Autosomes
D.
Dictyosomes
B.
Bright red eyes
All chromosomes other than sex chromosomes are called A.
Linked Chromosomes
C.
Autophagosommes
Normal fruit flies have A.
White eyes
✓ ✓
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75%
C.
50%
D.
25%
A.
A species
B.
A popula on
C.
An individual
D.
Cell
A.
Mendel
B.
Wallace
C.
Darwin
D.
Lamarck
A.
Margulis
C.
Linnaeus
✓
B.
Lamarck
D.
Cuvier
A.
Lamarck
B.
Linnaeus
C.
Darwin
D.
Lyell
B.
1812
D.
1809
A.
1822
C.
1817
✓
The total aggregate of genes in a popula on at any one me is called as A.
Polygenes
C.
Gene pool
✓
B.
Mul ple alleles
D.
All of above
Which of the following cross is carried to check the genotype of an individual showing a dominant phenotype A.
Check cross
C.
Criss cross
✓
B.
Test Cross
D.
Self cross
When a single gene has mul ple phenotypic effects, the phenomenon is called A.
Codominance
B.
Epistasis
C.
Pleiotropy
D.
Sex-linkage
The dominance rela ons of a 4 O'clock plant can be described in terms of A.
Complete dominance
C.
Par al dominance
✓
B.
Incomplete dominance
D.
Both B and C
Penguin is a bird that lost the use of its wings by not flying. Such statement would express the views of A.
Darwin
B.
Wallace
C.
Lamarck
D.
Huxley
The concept that all living things came into existence in their present forms especially created by Nature is called as
✓
A.
Theory of special crea on
B.
Theory of special selec on
C.
Theory of natural crea on
D.
Theory of natural selec on
Which of the following traits is not sex-linked recessive A.
Haemophila
B.
Colour Blindness
C.
Hypophosphatemic ricket
D.
Tfm syndrome
Which of the following traits is transmi ed directly from an affected father to only its sons
✓ Q.78
B.
Lamarck published his theory of evolu on in
✓ Q.77
100%
Wallace developed a Theory of Natural Selec on similar to that of
✓ Q.75
A.
The idea of inheritance of acquired characteris cs was presented by
✓ Q.73
Black eyes
Origin of species was wri en by
✓ Q.69
D.
A smallest biological unit that can evolve over me is
✓ Q.67
Light red eyes
What is the risk of a colour blind in a family when mother is colour blind but father is normal
✓ Q.65
Page 5
A.
Autosomal
B.
X-linked
C.
Y-linked
D.
X and Y linked
The most threatened areas on the earth are
✓
A.
Tropical rain forests
B.
Temperate deciduous
C.
Coniferous alpine boreal forests
D.
Tundra
Tritanopia is blindness of
✓
A.
Red Colour
B.
Green Colour
C.
Blue Colour
D.
Pink Colour
Q.80
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Page 6
The processes that have transformed life on earth from its earliest forms to the vast diversity that we observe today, are collec vely referred as
✓
Q.81
Q.82
A.
Evolu on
B.
Succession
C.
Revolu on
D.
All of above
The idea of endosymbiont hypothesis was first proposed by
✓
A.
Lynn Margulis
B.
Wallace
C.
Karlene Schwartz
D.
Lamarck
Natural selec on can amplify or diminish only those varia ons that are A. C.
Q.83
Q.85
Q.86
Different
✓
B.
Acquired
D.
Heritable
How many gene pairs contribute to the wheat grain colour
✓ Q.84
Similar
A.
One
B.
Two
C.
Three
D.
Four
Change in frequency of alleles at a locus that occurs by chance is called A.
Gene c equilibrium
C.
Gene selec on
✓
B.
Gene c dri
D.
Dele on
Hardy-Weinberg theorem explains the frequencies of genotypes of
✓
A.
Evolving popula on
B.
Non-evolving popula on
C.
Dominant popula on
D.
Ancient popula on
A localized group of individuals belonging to same species is called a A.
Community
C.
Organiza on
✓
B.
Popula on
D.
Clone
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