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Chapter 01
d. Internal organs of organisms
Correct Ans. D
Choose the most appropriate answer.
1. They are the remains or impressions of
living organisms preserved in rocks:
a.
b.
c.
d.
Tissues
Fossils
Calcium
Statutes
6. Pollution of our surroundings in the recent
past has resulted because of:
a.
b.
c.
d.
Biological Research
Rapid industrialization
Information Technology
Forestation
Correct Ans. b
Correct Ans. b
7. The statement made by a scientist, which
may be the possible answer to the problem.
2. It is the study of fossils and their
relationship to the evolution of life on earth:
a.
b.
c.
d.
embryology
taxonomy
physiology
None of these
Correct Ans. d
3. Man has been able to produce food in
greater quantities due to advancement in:
a.
b.
c.
d.
Mathematics
Space science
Physics
Biology
Correct Ans. d
4. Taxonomy is the study of:
a. Functions of different parts of
organisms
b. Naming and classification of
organisms
c. Hereditary characters
d. Structure and functions of cells
Correct Ans. b
5. Anatomy deals with the study of:
a. Relationship between organisms
and their environment
b. Development of an organism from
a fertilized egg or zygote
c. Structure and function of molecular
components of the cell
a.
b.
c.
d.
Deduction
Theory
Hypothesis
Law
Correct Ans. c
8. Which of the following is involved in the
spread of malaria ?
a.
b.
c.
d.
Bacterium
Bad Air
Virus
Mosquito
Correct Ans. d
9. People who slept outside in open spaces
suffered from malaria more frequently
than those who slept indoors, indicates
that:
a. Bad air is involved in the spread of
Malaria
b. Bacteria are involved in the spread
of Malaria
c. Mosquitoes are involved in the
spread of Malaria
d. Birds are involved in the spread of
Malaria
Correct Ans. c
10. The entry of Plasmodium into the blood of
Man was discovered by:
a. A. F. A. King
b. Laveran
c. Ronald Ross
d. Grassi
Correct Ans. (d)
Correct Ans. b
11. In case of typical attack, malarial patient
feels:
a.
b.
c.
d.
Very cold and chilly
Very Warm
Sleepy
Normal
Correct Ans. a
12. Sexual reproduction of the malaria parasite
occurs in :
a.
b.
c.
d.
Man
Mosquito
Red blood cells
Both a and b
Correct Ans. b
13. Inside human body Plasmodium attacks:
a.
b.
c.
d.
Nerve cells
Red blood cells
White blood cells
Kidney cells
Correct Ans. b
14. In the life cycle of Plasmodium fusion of
gametes and formation of gametes and formation
of zygote
take place in:
a.
b.
c.
d.
Body of Man
Body of Mosquito
Air
Water
Correct Ans. b
15. The part of Cinchona plant found
suitable for the treatment of Malaria was:
a.
b.
c.
d.
Seeds
Fruits
Leaves
Bark
16. When sporozoites of Plasmodium pass
from the blood to liver cells, they multiply for:
a.
b.
c.
d.
8 days
10 days
12 days
14 days
Correct Ans. (c)
17. Man can now be saved from fatal
diseases by using:
a.
b.
c.
d.
Vaccine
Bacteria
Antibiotics
Plasmodium
Correct Ans. (a)
18. The word malaria has been derived from
the combination of two words which are:
a. Latin
b. Italian
c. Greek
d. Arabic
Correct Ans. (b)
19. Which one of the following best
describes the scientific method?
a. Doing experiments in laboratories
b. Collecting all known facts on a
subject
c. Developing and testing hypothesis
d. Using sensitive electronic
measuring instruments
Correct Ans. (c)
20. Which of the following stages of
Plasmodium is diploid?
a. Merozoite
b. Sporozoite
c. Zygote (ookinete)
d. Gametocyte
Correct Ans. (c)
21. Which of the following stages of
Plasmodium is spindle shaped?
a.
b.
c.
d.
sporozoite
Merzoite
Gametocyte
Ookinete
Correct Ans. (a)
22. Which of the following forms of
Plasmodium is present in the saliva of
mosquito?
a.
b.
c.
d.
Merozoites
Sporozoites
Gametocytes
Zygote
Correct Ans. (b)
23.
Which of these attack red blood cells?
a.
b.
c.
d.
ookinetes
Gametocytes
Sporozoites
Merozoites
Correct Ans. (d)
24. Which of the following is not true of
malaria patient?
a.
b.
c.
d.
feels cold and chilly
feels headache
feels appetite
temperature rises up to 106 oF
Correct Ans. (c)
Chapter 2
1. Nucleus in plant cells was discovered by:
a.
b.
c.
d.
Dutrochet
Robert Brown
Robert Hooke
Schleiden
Correct Ans. (c)
2. The pushing out of materials by the cell
against the concentration gradient is:
a.
b.
c.
d.
Low transport
Passive transport
Active transport
Moderate transport
6. They provide support to the plant body:
a.
b.
c.
d.
Phloem cells
Parenchyma cells
Sclerenchyma cells
Chlorechyma cells
Correct Ans. (c)
7. Parenchyma cells are concerned with:
a.
b.
c.
d.
Secretion
Support
Carry Oxygen
Storage of surplus food
Correct Ans. (d)
Correct Ans. (c)
3. Robert Hooke examined thin slices of cork
made up of the bark of:
a.
b.
c.
d.
Pine
Sheesham
Oak
Mulberry
8. Substances cross the cell membrane more
easily when they are:
a.
b.
c.
d.
Water soluble
Protein soluble
Alcohol soluble
Lipid soluble
Correct Ans. (d)
Correct Ans. (c)
4. In thin slices of cork Robert Hooke
noticed.
a.
b.
c.
d.
Tiny creatures
Small holes
Small chambers
Bacteria
9. Many substances that are not needed
constantly enter the cell by:
a.
b.
c.
d.
Passive transport
Active transport
Negative transport
Fast transport
Correct Ans. (b)
Correct Ans. (c)
5. Henri Dutrochet confirmed.
a. Robert Brown observations on
Nucleus
b. Robert Hooke’s observations on
Cells
c. Schwann observations of cells
d. Schleiden observations on cells
Correct Ans. (b)
10. It is a true cell wall in a newly growing
cell:
a.
b.
c.
d.
Middle lamella
Secondary wall
Primary wall
Plasma membrane
Correct Ans. (c)
a.
b.
c.
d.
Four forms
Three forms
Two forms
One form
11. It is the first to be formed:
Correct Ans. (b)
a.
b.
c.
d.
Primary wall
Secondary wall
Tertiary wall
Middle lamella
17. The 60S and 40S subunits on attachment
with each other form:
a.
b.
c.
d.
Correct Ans. (a)
12. It is a site of certain metabolic pathways:
a.
b.
c.
d.
Cell wall
Plasma membrane
Cytoplasm
A&B
100S particle
90S particle
80S particle
70S particle
Correct Ans. (c)
18. Proteins are synthesized in the:
a.
b.
c.
d.
Correct Ans. (c)
13. The water percentage of cytosol in the
cytoplasm is:
Ribosomes
Mitochondria
Nucleus
Nucleolus
Correct Ans. (a)
a.
b.
c.
d.
50
60
70
90
19. They are absent in higher plants:
a.
b.
c.
d.
Correct Ans. (d)
Plastids
Golgi Apparatus
Cell Membranes
Centrioles
14. New Ribosomes are assembled in the :
Correct Ans. D
a.
b.
c.
d.
Nucleolus
Mitochondria
Endoplasmic Reticulum
Golgi Apparatus
20.
Amino acids (proteins) are present in the
cell walls of:
a.
b.
c.
d.
Correct Ans. (a)
15. Smooth Endoplasmic Reticulum helps to:
a.
b.
c.
d.
Synthesize proteins
Detoxify the harmful drugs
Prepare food
Decompose proteins
Gymnosperms
Bacteria
Mosses
Angiosperms
Correct Ans. B
21.
Which of the following organelles is
present in both prokaryotic and eukaryotic
cells?
Correct Ans. (b)
16. Morphologically Endoplasmic Reticulum
exists in:
a.
b.
c.
d.
Chloroplast
Ribosomes
Mitochondria
Golgi Complex
a.
b.
c.
d.
Correct Ans. B
None
One
Two
Three
Correct Ans. C
22.
Which of the following features is not
shared by prokaryotic and eukaryotic
cells?
a.
b.
c.
d.
27.
Ribosome
Cytoplasm
Cell membrane
Nuclear membrane
a.
b.
c.
d.
Correct Ans. D
23.
Which of the following cell organelles is
present in both plant and animal cells?
a.
b.
c.
d.
Which of the following molecules move
regularly from the nucleus to the
cytoplasm?
Glycogen
DNA
RNA
Cholesterol
Correct Ans. C
28.
Chlorophyll
Plasma membrane
Plastids
Cell wall
Which of the following cellular organelles
extracts energy from glucose and forms
ATP molecules:
a.
b.
c.
d.
Lysosome
Chloroplast
Mitochondrion
Chromoplast
Correct Ans. B
Correct Ans. C
24.
Which of the following pair is incorrect?
29.
a.
b.
c.
d.
Ribosome ______________
Protein synthesis
Chloroplast _____________
Photosynthesis
Mitochondria ____________
Fermentation
Plasma membrane___________
Osmosis
Correct Ans. C
a.
Aerobic cellular respiration
b.
Digesting part of the cell
c.
Synthesizing protein
d.
Synthesizing lipids
Correct Ans. B
30.
Plasma membrane
Nuclear envelope
Ribosome
Cell wall
Mitochondria are found:
a.
b.
c.
d.
25.
Which of the structures is not found in a
prokaryotic cell?
a.
b.
c.
d.
Lysosomes contain enzymes capable of:
in all cells
only in plant cells
only in animal cells
in all eukaryotic cells
Correct Ans. D
31.
Green pigments capable of capturing the
energy of sunlight are located within the:
Correct Ans. B
26.
How may membranes comprise the
nuclear envelop?
a.
b.
c.
d.
Golgi complex
Endoplasmic complex
Chloroplast
Cell wall
Correct Ans. C
36.
In the fluid mosaic membrane model the
lipid bilayer:
a.
b.
c.
d.
32.
The two types of cellular organelles that
transform energy are:
a.
b.
c.
d.
Chromoplasts and leucoplast
Mitochondria and chloroplast
Mitochondria and Chromoplasts
Chloroplasts and leucoplasts
is sandwiched between two protein
layers
has protein embedded in it
lies on top of a single protein layer
is covered by a single protein layer
correct ans. B
37.
An input of energy is required for which
one of the following?
a.
b.
c.
d.
diffusion
osmosis
passive transport
active transport
Correct Ans. B
Correct ans. D
33.
The plastids that give fruits and flowers
their orange and yellow colours are the:
a.
b.
c.
d.
38.
Which of the following cytoplamic
organelles is not bounded by membrane:
leucoplasts
chloroplasts
Chromoplasts
Proplasts
a.
b.
c.
d.
Mitochodrion
Lysosome
Ribosome
Plastids
Correct Ans. C
Correct Ans. C
34.
The main function of the plasma
membrane is to:
a.
b.
c.
d.
39.
synthesize ribosomes
Control what goes into and out of
the cell
Allow all kinds of substances to
enter the cell
Move the cell from place to place
Which of the following bodies is not
bounded by a double membrane structure?
a.
b.
c.
d.
mitochondrion
chloroplast
Lysosome
Nucleus
Correct Ans. C
Correct ans. B
40.
35.
Plant cells are connected by channels
through their walls called:
a.
b.
c.
d.
Plasmodesmata
desmosomes
middle lamella
non of these
Correct ans. A
Which of the following cell organelles
cause a decrease in the concentration of
organic material in the cell?
a.
b.
c.
d.
Golgi bodies
Chloroplast
Ribosome
Mitochondrion
Correct Ans. D
41.
Which of the following cell organelles is
not involved in the sequence of events
from synthesis of an enzyme to its
excretion?
d.
Correct Ans. D
46.
a.
b.
c.
d.
Ribosome
Lysosome
Golgi apparatus
Endoplasmic reticulum
Correct Ans. B
42.
A lipid molecule in the plasma membrane
has a head and two tails. The tails are
found:
a.
b.
c.
d.
At the surfaces of the membrane
In the interior of the membrane
Both at the surfaces and interior of
the membrane
None of these
Chloroplast
Active transport:
a.
b.
requires a protein carrier
moves a molecule against its
concentration gradient
c.
requires a supply of energy
d.
all of these
Correct Ans. d
47.
The nucleolus is largely composed of
rRNA and
a.
b.
c.
d.
lipid
Glucose
Wax
Protein
Correct Ans. D
Correct Ans. B
43.
Which of the following organelles and
their contents are incorrectly paired:
a.
b.
c.
d.
Ribosome – RNA
Mitochondrion – Chlorophyll
Lysosome – digestive enzymes
Nucleus – DNA
Correct Ans. B
44.
Which of the following properties is
incorrect for both mitochondria and
chloroplast:
a.
b.
c.
d.
Both have an electron transport
system
ATP synthesis
Both are present in all cells
Both are double membrane
structures
Correct Ans. C
45.
Which of the following cell organelles
release oxygen:
a.
b.
c.
ribosome
Golgi complex
Mitochondria
CHAPTER 3
Choose the most appropriate answer:
6.
1.
It is the most abundant carbohydrate in
nature:
a.
b.
c.
d.
a.
b.
c.
d.
Sucrose
Maltose
Starch
Cellulose
Correct Ans. D
7.
3.
Which of the following is polysaccharide:
a.
b.
c.
d.
Glucose
Glycogen
Maltose
Lactose
Protoplasm of plant cell is:
a.
b.
c.
sucrose
lactose
maltose
glucose
Correct Ans. D
Lipid
Wax
Protein
Carbohydrate
Correct Ans. C
2.
The most common monomer of
carbohydrates is a molecule of :
a.
b.
c.
d.
Silk is chemically:
d.
Less viscous than animal cell
More viscous than animal cell
Equal in viscosity to the animal
cell
None of these
Correct Ans. A
8.
In living cell, protein is:
a.
b.
c.
d.
The most abundant compound
The least abundant compound
The second most abundant
compound
The third most abundant compound
Correct Ans. C
Correct Ans. B
4.
On hydrolysis triglyceride yields
a.
b.
c.
d.
a glycerol and three fatty acids
a fatty acid and three glycerol
a glucose and three fatty acids
a maltose and two fatty acids
Correct Ans. A
5.
Cholesterol is:
a.
b.
c.
d.
diglyceride
saturated fatty acids
unsaturated fatty acids
steroid
9.
They catalyze biological reactions in the
form of enzymes:
a.
b.
c.
d.
Glucose
Sucrose
Proteins
Terpenoids
Correct Ans. C
10.
Amino Acids in Insulin molecules are
arranged in:
a.
b.
c.
d.
One polypeptide chain
Two Polypeptide chains
Three polypeptide chains
Four polypeptide chains
correct Ans. D
Correct Ans. B
a.
b.
c.
d.
11.
Four polypeptide chains take part in the
formation of:
a.
b.
c.
d.
12.
Cellulose
Silk
Hemoglobin
DNA
Correct Ans. C
17.
They are stored in plant and animal cells:
Correct Ans. C
a.
b.
c.
d.
Each beta chain of Hemoglobin contains:
Correct Ans. A
a.
b.
c.
d.
126 Amino Acids
156 Amino Acids
136 Amino Acids
146 Amino acids
Starch and Glycogen
Glucose and sucrose
Starch and cellulose
Fructose and glucose
18.
It is the most abundant carbohydrate in
nature:
a.
b.
c.
d.
Correct Ans. D
13.
Glucose and Galactose
Glucose and Maltose
Clucose and Fructose
Fructose and Galactose
Glucose
Fructose
Cellulose
Starch
Amino Acids are linked together by:
Correct Ans. C
a.
b.
c.
d.
Hydrogen Bonds
Ionic Bonds
Peptide bonds
None of these
19.
a.
b.
c.
d.
Correct Ans. C
14.
The manner in which different peptide
chains are connected determines the:
a.
b.
c.
d.
Size of protein molecule
Shape of protein molecule
Color of protein molecule
Both A & B
20.
Which of the following is true of
acylglycerols
a.
Hexoses
Trioses
Pentoses
Tetroses
Correct Ans. B
16.
b.
c.
d.
Glyceraldehyde is one of the:
a.
b.
c.
d.
Sucrose is formed of:
Glucose
Galactose
Starch
Cellulose
Correct Ans. D
Correct Ans. B
15.
Cotton fibers are made up of:
composed of glycerol and fatty
acids
easily soluble in water
act as enzymes
are hydrolyzed into glucose and
fructose
Correct Ans. A
21.
Terpenoides are:
a.
b.
c.
d.
Sucrose
Glucose
Waxes
Fructose
b.
Correct Ans. C
c.
d.
70% organic and 30% inorganic
compounds
60% organic and 40% inorganic
compounds
50% organic and 50% inorganic
compounds
Correct Ans. A
22.
Nucleic acids are formed of units called:
a.
b.
c.
d.
Amino acids
Nucleotides
Citric acids
Isoprenoid units
27.
Which of the following groups from the
nucleotides:
a.
Correct Ans. B
b.
23.
Typically a nucleotide is composed of:
c.
a.
b.
c.
d.
three components
four components
five components
two components
d.
Sugar __________ Nitrogenous
Base ___________ Vitamin
Sugar ___________ Vitamin
______ Phosphoric acid
Sugar ___________ Nitrogenous
base ________ Phosphoric acid
Phosphoric acid _________
Nitrogenous base _______ vitamin
Correct Ans. C
Correct Ans. A
24.
As compared to somatic cells the amount
of DNA in germ line cells (sperms and
ova) is almost:
a.
b.
c.
d.
ribose
glucose
cellulose
fructose
Correct ans. C
29.
H2O
Glucose + Fructose _________ Sucrose +
The function of tRNA is:
a.
b.
c.
d.
To carry genetic information’s
from DNA to ribosomes
To synthesize protein
Pick up amino acids and transfer
them to ribosomes
Constitute ribosomes
Correct Ans. C
26.
a.
b.
c.
d.
Equal
Double
One third
Half
Correct Ans. D
25.
28.
Which of the following is hydrolyzed into
simple unit:
In protoplasm dry matter consists about:
a.
90% organic and 10% inorganic
compounds
a.
b.
c.
d.
hydrolysis
condensation (dehydration)
denaturation
incorporation synthesis
Correct Ans. B
30.
The unique properties of each amino acid
are determined by its particular
a.
b.
c.
d.
R group
Amino group
Kinds of peptide bonds
Number of bonds to other amino
acids
Correct Ans. A
31.
DNA is unique among the organic
molecules of protoplasm in that it can:
a.
b.
c.
d.
form multipolymer complexes
come apart and re-form
withstand very high temperature
replicate itself
36.
Which of the following forms part of
coenzyme:
a.
b.
c.
d.
Correct Ans. D
32.
Nucleotides of DNA molecule varies due
to their:
a.
b.
c.
d.
glycerol attachments
nitrogenous bases
sugars
phosphates
Correct Ans. C
37.
by:
An enzyme promotes a chemical reaction
a.
b.
c.
d.
correct ans. B
33.
Diastase
Lipase
Vitamin
Lysine
Lowering the energy of activation
Causing the release of heat
Increasing molecular motion
Both A & B
Adenine is a:
Correct Ans. A
a.
b.
c.
d.
single ring compound
double ring compound
Triple ring compound
Multi-ring compound
38.
Which of the following releases greatest
amount of energy:
The function of an enzyme is to:
a.
b.
c.
d.
a.
Correct ans. B
Correct ans. B
34.
b.
c.
39.
Which of the following is an example of
carbohydrate:
Correct ans. B
a.
b.
c.
d.
The enzyme sucrase act on:
Correct ans. C
d.
35.
cause chemical reactions that
would not otherwise take place
change the rate of chemical
reactions.
Control the equilibrium point of
reaction
Change the direction of reaction
Carbohydrates
Lipid
Water
Nucleic acid
a.
b.
c.
d.
sucrose only
sucrose and starch
any disaccharide
glycogen
40.
enzymes
waxes
ribose
insulin
DNA molecule:
a.
b.
c.
Correct Ans. A
d.
has a sugar-phosphate backbone
is single stranded
has a certain sequence of amino
acids
has a uracil base in its nucleotide
Correct ans. A
41.
a.
Thymine
b.
Cytosine
c.
Adenine
d.
Uracil
Correct Ans. (a)
The functional group COOH is:
a.
b.
c.
d.
Acidic
Basic
Never ionized
All of these
47.
The linkages between two
monosaccharides is called:
a.
b.
c.
d.
Correct Ans. (A)
42.
Which of these is nondigestible by man:
a.
b.
c.
d.
cellulose
maltose
starch
glycogen
Correct Ans. (b)
48.
is:
Correct Ans. (a)
43.
c.
d.
contains hydrogen
contains double bonds between
carbon atoms
contains an acidic group
contains no double bonds
Distance between twist of DNA molecule
a.
b.
c.
d.
A fatty acid is unsaturated if it:
a.
b.
Ester
Glucoside
Peptide
Nucleotide
14 A
24 A
34 A
44 A
Correct Ans. (c)
49.
Which of the following is a complete
monomeric unit of DNA:
Correct ans. (b)
44.
a.
b.
c.
d.
Glucose in solution forms a ring called:
a.
b.
c.
d.
glucofuranose
ribofuranose
glucopyranose
ribopyranose
pentose sugar
phosphoric acid
nucleotide
adenine
Correct Ans. (c)
50.
The formula of glyceraldehydes is:
Correct Ans. (c)
a.
b.
c.
d.
45.
Which of the following is not soluble in
water:
a.
b.
c.
d.
Sucrose
Ribose
Glycerol
Glycogen
Correct Ans. (d)
46.
Which of the following is absent in the
nucleotides of RNA:
C3 H5 O3
C3 H6 O3
C3 H4 O3
C3 H6 O4
Correct Ans. (b)
51.
The number of Carbon in oleic acid is:
a.
b.
c.
d.
16
18
20
22
b.
c.
d.
Correct Ans. (b)
Carboxyl group
R-group
Hydrogen
Correct Ans. (c)
52.
Vitamin A is a:
a.
b.
c.
d.
protein
wax
terpenoid
carbohydrate
57.
Which of the following is resistant to
degradation ?
a.
b.
c.
d.
Correct Ans. (c)
53.
Which of the following is not true of
palmatic acid:
Correct Ans. (a)
58.
a.
b.
c.
d.
wax
sucrose
starch
triglyceride
saturated
unsaturated
unbranched
16 carbons
Beta Carotene is:
a.
b.
c.
d.
phospholipids
terpenoid
polysaccharide
wax
Correct ans. (b)
Correct Ans. (b)
54.
Which of these makes cellulose
nondigestable:
a.
b.
c.
d.
59.
Which of the following is a richer source
of chemical energy?
a polymer of glucose subunits
a fibrous protein
the linkage between the glucose
molecules
the peptide linkage
a.
b.
c.
d.
Correct Ans. (c)
Correct Ans. (c)
60.
55.
glucose
glycogen
lipids
proteins
Cholesterol is:
Which of these is not a lipid:
a.
b.
c.
d.
a.
b.
c.
d.
steroid
wax
polysaccharide
terpenoids
Diglyceride
Saturated fat
Unsaturated fat
Steroid
Correct Ans. (d)
Correct Ans. (c)
56.
Which of the following is variable in an
amino acid?
a.
Amino group
61.
by:
The structure of a protein can be denatured
a.
the polar bond of water molecule
b.
c.
d.
heat
the presence of oxygen gas
the presence of carbon dioxide gas
Correct Ans. (b)
CHAPTER 4
Correct ans. (b)
Choose the most appropriate answer:
6.
Which of these chromosomes have a very
short arm?
1.
Which of these established that the units of
inheritance are located on the
chromosome?
a.
b.
c.
d.
Sutton
Waldeyer
Watson and Crick
Strickberger
Correct Ans. (a)
2.
Which of the following determines the
shape of the chromosomes?
a.
b.
c.
d.
chromatids
chromatin material
shape of the centromeres
position of the centromere
Correct ans. (d)
3.
The morphology of the chromosome is
best studied during
a.
b.
c.
d.
interphase
prophase
telophase
metaphase
Correct ans. (d)
4.
Telocentric chromosomes have
centromere located at
a.
b.
c.
d.
one end
both ends
center
one side
Correct Ans. (a)
5.
Which of these chromosomes have
centromere located at one end?
a.
b.
c.
d.
acrocentric
Telocentric
Metacentric
Submetacentric
a.
b.
c.
d.
Telocentric
Metacentric
Acrocentric
Submetacentric
Correct Ans. (c)
7.
Which of the following chromosomes have
arms of unequal length?
a.
b.
c.
d.
Telocentric
Metacentric
Acrocentric
Submetacentric
Correct Ans. (d)
8.
Which of the following types of
chromosomes have arms of equal length?
a.
b.
c.
d.
Metacentric
Submetacentric
Acrocentric
Telocentric
Correct Ans. (a)
9.
The total chromosome complement of a
cell is called
a.
b.
c.
d.
Karyosome
Karyokinesis
Karyogamy
Karyotype
Correct Ans. (d)
10.
DNA and histones together form a
structure called
a.
b.
c.
d.
Centromeres
Nucleosome
Nucleoplasm
Centriole
Correct Ans. (b)
Correct Ans. (b)
11.
Which of the following number of
molecules of various types of histones
form Nucleosome?
a.
b.
c.
d.
16.
Which of the following is part of mitosis
in cells of seed plants?
8
10
16
20
a.
b.
c.
d.
Centrioles
Asters
Spindles
Cleavage furrows
Correct Ans. (a)
Correct Ans. (c)
12.
Which of these studied mitosis in plant
cells?
a.
b.
c.
d.
17.
In plants, meiosis occurs during the
formation of:
Strassburger
Flemming
Sutton
Waldeyer
a.
b.
c.
d.
gametes
seeds
spores
zygote
Correct Ans. (a)
Correct Ans. (c)
13.
Which of these studied mitosis in animal
cells?
a.
b.
c.
d.
Strassburger
Flemming
Sutton
Waldeyer
Correct Ans. (b)
14.
During mitosis the process of cytoplasmic
division is called
a.
b.
c.
d.
Cytomeiosis
Cytoplasmosis
Cytokinesis
Cytomitosis
Correct Ans. (c)
15.
DNA replication occurs in which phase of
the cell cycle?
a.
b.
c.
d.
prophase
interphase
metaphase
Telophase
18.
The prophase I of Meiosis completes in
a.
b.
c.
d.
Two stages
Three stages
Four stages
Five stages
Correct Ans. (d)
19.
The number of chromosomes in a
fertilized egg is:
a.
b.
c.
d.
half as many as in unfertilized egg
the same as in sperm
twice the number as in a sperm
twice the number as in somatic cell
Correct Ans. (d)
20.
All the somatic cells of a diploid organism
originate from a single cell called
a.
b.
c.
d.
gamete
autosome
spore
zygote
Correct Ans. (d)
c.
d.
pachytene
diplotene
Correct Ans. (c)
21.
If at the end of meiosis, each of the four
daughter cells has four chromosomes, how
many chromosomes were in the mother
cell?
a.
b.
c.
d.
2
4
8
16
26.
During what phase of meiosis tetrads are
form?
a.
b.
c.
d.
prophase I
prophase II
metaphase I
metaphase II
Correct Ans. (a)
Correct ans. (c)
22.
At what phase of meiosis are homologous
chromosomes separated?
a.
b.
c.
d.
Prophase I
Anaphase I
Prophase II
Anaphase II
27.
During what phase of meiosis the nuclear
envelop breaks down?
a.
b.
c.
d.
prophase I
metaphase
anaphase I
telophase I
Correct Ans. (b)
Correct Ans. (b)
23.
The process by which homologous
chromosomes being to pair with each other
is called.
a.
b.
c.
d.
chiasma
interkinesis
crossing over
synapsis
Correct Ans. (d)
24.
25.
The points at which crossing over has
taken place between homologous
chromosomes are called
a.
Chiasmata
b.
Centromeres
c.
Synapsis
d.
Centrosomes
Correct Ans. (a)
Crossing over occurs during
a.
b.
leptotene
zygotene
CHAPTER 5
Choose the most appropriate answer:
6.
1.
Which of the following is caused by
bacteria?
a.
b.
c.
d.
a.
b.
c.
d.
Tetanus
Measles
Malaria
Ringworm
Virus
Fungi
Bacteria
Both A & B
Correct Ans. (c)
Correct Ans. (a)
7.
2.
Food can be preserved when pH of the
medium is:
a.
b.
c.
d.
They fix atmospheric Nitrogen:
In lytic life cycle bacterial cell:
a.
b.
c.
d.
acidic
basic
neutral
none of these
Continues its normal life processes
Bursts and dies
Starts division
Forms endospore
Correct Ans. (b)
8.
Amino acids are present in the cell wall of:
Correct Ans. (a)
3.
They play a role in the making of dairy
products:
a.
b.
c.
d.
Viruses
Bacteria
Algae
Plasmodium
a.
b.
c.
d.
Bryophytes
Fungi
Bacteria
Gymnosperms
Correct ans. (c)
9.
Inside photosynthetic bacteria,
Chlorophyll is:
Correct ans. (b)
4.
Viruses belong to the group:
a.
b.
c.
d.
Prokaryotes
Eukaryotes
Monera
None of these
10.
In blue-green algae nitrogen fixation
occurs in specialized cells called:
Common cold is caused by:
a.
b.
c.
d.
Bacteria
Viruses
Fungi
Plasmodium
Localized in Chloroplast
Present inside Mitochondria
Dispersed in the cytoplasm
Absent
Correct Ans. (c)
Correct Ans. (d)
5.
a.
b.
c.
d.
Correct Ans. (b)
a.
b.
c.
d.
Harmogonia
Akinetes
Heterocysts
Zygospores
Correct Ans. (c)
c.
d.
11.
Under ideal condition a bacterial cell
divides about every 20 minutes. It takes
200 minutes to fill a culture tube. How
much time will it take to fill a test tube of
double size.
a.
b.
c.
d.
polysaccharide
sucrose
(c)
Correct ans.
16.
Avery and his colleagues confirmed that
the transforming material is that:
a.
b.
c.
d.
400 minutes
220 minutes
240 minutes
300 minutes
RNA
DNA
Protein
Lipid
Correct Ans. (b)
Correct Ans. (b)
17.
12.
A virus that can reproduce without killing
its host is called:
a.
b.
c.
d.
13.
a.
b.
c.
d.
a.
b.
c.
d.
lytic virus
retroactive virus
temprate virus
virion
Correct Ans. (c)
When a bacteriophage, in its lytic phase
carries some of the bacterium’s partially
digested chromosome with it to another
host cell, the process is called:
transformation
transduction
transportation
conjugation
Which of these is found in viruses:
cell membrane
ribosome
nucleic acid
tail and head
Correct Ans. (c)
18.
Which of the following is a true statement:
a.
b.
c.
d.
viruses carry with them their own
ribosome
new viral ribosomes form after
viral DNA enters the cell
viruses use the host ribosomes for
protein synthesis
none of these
Correct Ans. (c)
Correct Ans. (b)
14.
Which of the following is not true of
organisms in the kingdom Monera ?
a.
b.
c.
d.
they reproduce by mitosis
no cellulose cell wall
no nuclear envelop
have prokaryotic cellular
organization
Correct Ans. (a)
15.
19.
Which of the following is an example of a
viral disease:
a.
b.
c.
d.
Tuberculosis
AIDS
Anthrax
Tetanus
Correct Ans. (b)
20.
The elimination of bacteria from a medium
is called:
Slimy capsule of bacteria is made by:
a.
b.
lipid
protein
a.
b.
c.
inoculation
sterilization
staining
d.
fermentation
Correct Ans. (b)
26.
Which of the following character of living
things is found in vrisues?
a.
b.
c.
d.
21.
by:
respiration
genetic recombination
photosynthesis
all of these
Bacteria survive unfavourable condition
Correct Ans. (b)
a.
b.
c.
d.
endospore
fission
conjugation
moving
27.
Which of the following is present in the
cytoplasm of prokaryotes?
a.
b.
c.
d.
Correct Ans. (a)
22.
Which of the following is nonliving
character of virus?
Mitochondria
Ribosome
Endoplasmic reticulum
All of these
Correct Ans. (b)
a.
b.
c.
d.
genetic recombination
mutation
reproduction
crystallization
Correct Ans. (d)
23.
Which of the following is not a viral
disease?
a.
small pox
b.
tetanus
c.
mumps
d.
measles
28.
Bacterial are haploid organisms because
the number of chromosomes in their cells
is:
a.
b.
c.
d.
2
4
8
None of these
Correct Ans. (d)
29.
Which of the following is present in the
cytoplasm of bacterial cell?
Correct Ans. (b)
24.
Polio virus is:
a.
b.
c.
d.
rod-shaped
tadpole shaped
spiral
spherical
Correct Ans. (d)
25.
Which of the following is a viral disease?
a.
b.
c.
d.
Malaria
Crown gall
Mumps
Pneumonia
Correct Ans. (c)
a.
b.
c.
d.
Glycogen
Protein
Fats
Starch
Correct Ans. (d)
30.
Cell membrane of bacterial cell
invaginates producing structure called:
a.
b.
c.
d.
Polysome
Endosome
Mesosome
Centrosome
Correct Ans. (c)
31.
The chlorophyll of photosynthetic
bacterial is localized in:
a.
b.
c.
d.
36.
In blue-green algae photosynthesis takes
place in:
nucleus
chloroplast
mitochondria
none of these
a.
b.
c.
d.
Chloroplast
Chromoplast
Extensive system of membranes
located at the router edge
Mitochondria
Correct Ans. (d)
Correct Ans. (c)
32.
For the preparation of food,
chemosynthetic bacteria use:
a.
b.
c.
d.
37.
Which of the following diseases of plants
is caused by bacterial?
solar energy
chemical energy
nuclear energy
thermal energy
a.
b.
c.
d.
Rust
Crowngall
Smut
Powdery mildew
Correct Ans. (b)
Correct Ans. (b)
33.
Curing of tobacco involves:
a.
b.
c.
d.
Fungi
Algae
Cyanobacteria
Bacteria
38.
Which of the following is cultivated in rice
fields for the increase of soil fertility?
a.
b.
c.
d.
Correct Ans. (d)
34.
The conversion of atmospheric nitrogen
into nitrates by bacteria is called:
Correct Ans. (a)
39.
a.
b.
c.
d.
Anabaena
Chlamydomonas
Rhizobium
Rhizopus
Nitrification
Nitrogen fixation
Denitrification
Bacteria
Unicellular blue-green algae reproduce by:
a.
b.
c.
d.
fragmentation
conjugation
cell division
hormogonia
Correct Ans. (b)
Correct Ans. (c)
35.
In the retting of flax and hempcellulose
fibers are freed by bacteria which
decompose:
a.
b.
c.
d.
cellulose
pectin
starch
glycogen
40.
Which of the following is enlarged resting
cell with thickened walls, large food
reserve and DNA?
a.
b.
c.
d.
trichome
hormogonium
ovum
akinete
Correct Ans. (b)
Correct Ans. (d)
41.
Which of the following is not true of
Nostoc?
a.
b.
c.
d.
Autotroph
Filamentous
Unicellular
Heterocyst
Correct Ans. (c)
42.
by:
Nutrients are returned to the environment
a.
b.
c.
d.
producers
decomposers
herbivores
carnovores
Correct Ans. (b)
CHAPTER 6
Choose the most appropriate answer:
1.
In majority of the Fungi the chief
component of the cell wall is:
43.
Which of the following is caused by
bacteria?
a.
b.
c.
d.
a.
b.
c.
d.
chicken pox
leprosy
ring worm
AIDS
Cellulose
Lignin
Protein
Chitin
Correct Ans. (d)
2.
Cellulose is absent in the cell wall of most:
Correct Ans. (b)
a.
b.
c.
d.
Fungi
Algae
Pteredophytes
Bryophytes
Correct Ans. (a)
3.
The hyphae of Rhizopus are :
a.
b.
c.
d.
Non-septate
Septate
Uninucleate
Non of these
Correct Ans. (a)
4.
Rhizopus is:
a.
b.
c.
d.
Parasite
Sporophyte
Tracheophyte
Saprophyte
Correct Ans. (a)
10.
Correct Ans. (d)
5.
The spores of Rhizopus are:
a.
b.
c.
d.
Motile
Non-motile
Flagellate
Naked
(b)
a.
b.
c.
d.
Correct Ans.
7.
Amanita
Rhizopus
Penecillium
Neurospora
11.
Mycorrhiza is association of:
a.
Root-fungus
b.
Stem-fungus
c.
Alga-fungus
d.
Bacteria-fungus
Correct Ans. (a)
12.
Mycorrhizal association is:
Correct Ans. (c)
a.
b.
c.
d.
Smut is caused by:
Correct Ans. (b)
a.
b.
c.
d.
Bacteria
Virus
Plasmodium
Fungi
Correct Ans. (d)
8.
Which of the following is a human disease
caused by Fungi?
a.
b.
c.
d.
9.
Isogamy
Anisogamy
Oogamy
Karyogamy
Correct Ans. (d)
6.
Which of the following is used in cheese
production:
a.
b.
c.
d.
Sexual reproduction in which small male
gamete is motile while the large female
gamete is immotile is called:
Powdery mildew
Ring worm
Rusts
Downy mildew
13.
Parasitic
Symbiotic
Saprophytic
Chlorophytic
Sporophyte generation produces:
a.
b.
c.
d.
Gametes
Zygote
Embryo
Spores
Correct Ans. (d)
14.
The chromosome number in the gametes
of Ulva is:
Correct Ans. (b)
a.
b.
c.
d.
Ulva is:
Correct ans. (d)
a.
b.
c.
d.
Unicellular
Filamentous
Tubular
None of these
Diploid
Triploid
Teraploid
Monoploid
15.
The number of chromosomes in the cells
of the Sporophyte plant body of Ulva is:
a.
Diploid
b.
c.
d.
16.
Correct Ans. (a)
a.
b.
c.
d.
Euglena is an animal because it lacks:
Correct Ans. (c)
a.
b.
c.
d.
17.
Triploid
Teraploid
Monoploid
Nucleus
Chloroplast
Cell wall
Cell membrane
Correct Ans. (c)
Mycelium is a term used for:
Correct Ans. (d)
23.
Stolon
Sporangiophore
Rhizoids
Rhizophores
starch
glucose
lipid
glycogen
Amanita is:
a.
Useful
b.
Edible
c.
Poisonous
d.
None of these
Correct Ans. (c)
Root-like hyphae of Rhizopus are called:
a.
b.
c.
d.
24.
In which of the following reproductive
organs are not surrounded by sterile cells?
a.
b.
c.
d.
Correct Ans. (c)
19.
In Rhizopus food is stored in the form of:
a.
b.
c.
d.
a.
Mass of spores
b.
Mass of sporangia
c.
Mass of hyphae
d.
Zoospores
Correct Ans. (c)
18.
22.
Poisonous
Non-edible
Delicious
None of these
Thallophytes
Bryophytes
Pteriodophytes
Spermatophytes
Pyrenoid is involved in:
Correct Ans. (a)
a.
b.
c.
d.
conversion of sugar into starch
Conversion of starch into sugar
Synthesis of protein
Photosynthesis
25.
a.
b.
c.
d.
Correct Ans. (a)
20.
Stigeoclonium is:
a.
b.
c.
algae
mosses
liverworts
fungi
Correct Ans. (d)
26.
The saprophytes
Correct Ans. (c)
a.
b.
c.
d.
Morels and truffles are:
Correct Ans. (c)
d.
21.
Fresh water unicellular green alga
Fresh water multi cellular bluegreen alga
Fresh water multi cellular green
alga
Marine multi cellular green alga
Which of the following lack chlorophyll?
live on living organic matter
prepare their own food
live on non-living organic matter
do not need food
27.
Which of the following is not the asexual
method of reproduction in fungi?
a.
b.
c.
d.
32.
Which of the following anchor the
Rhizopus and absorb nutrients?
a.
b.
c.
d.
fragmentation
budding
spore formation
conjugation
Stolon
Rhizoids
Sporangiophores
None of these
Correct Ans. (b)
Correct Ans. (d)
28.
Which of the following is common method
of asexual reproduction in yeasts?
a.
b.
c.
d.
33.
Which of the following form a network
over the surface of the food?
a.
b.
c.
d.
budding
binary fission
multiple fission
spore formation
stolon
rhizoids
Sporangiophores
All of these
Correct Ans. (a)
correct Ans. (a)
34.
The dome shaped structure formed in the
sporangium of Rhizopus is called:
29.
Which of the following is included in
sexual reproduction?
35.
a.
b.
c.
d.
meiosis
fusion of haploid nuclei
formation of zygote
all of these
a.
crown
b.
corona
c.
columella
d.
calyptra
Correct Ans. (c)
Each gametangium in Rhizopus contains:
a.
b.
c.
d.
One nucleus
Two nuclei
Many nuclei
No nucleus
Correct Ans. (d)
Correct Ans. (c)
30.
The hyphae of Rhizopus are:
a.
b.
c.
d.
without nuclei
Uninucleate
Binucleate
Multinucleate
Correct Ans. (d)
31.
Which of the following constitute the body
of Rhizopus?
a.
Stolon
b.
Sporangiophores
c.
Rhizoids
d.
All of these
Correct Ans. (d)
36.
Which of the following is adaptation of
fungi for terrestrial mode of life?
a.
b.
c.
d.
production of zoospores
heterotrophic mode of nutrition
presence of cell wall
absence of flagellated spores
Correct Ans. (d)
37.
Which of the following is not true of
zygospore of Rhizopus?
a.
b.
c.
without a wall
has diploid nuclei
has a thick wall
d.
resistant to unfavourable condition
a.
b.
c.
d.
Correct Ans. (a)
38.
Which of the following has been used
extensively in understanding the principles
of inheritance?
a.
b.
c.
d.
Rhizopus
Agaricus
Neurospora
Penecillium
Correct Ans. (a)
44.
Which of the following is useful activity of
fungi?
a.
b.
c.
Correct Ans. (c)
d.
39.
Epidermophyton
Penecillium
Rhizopus
Agaricus
decomposition of food
causing diseases
recycling nutrient by decomposing
organic compounds
destroying of timbers
Which of the following is edible?
Correct Ans. (c)
a.
Amanita
b.
Morels
c.
Rhizopus
d.
All of these
Correct Ans. (b)
40.
Which of the following causes rusts in
cereals?
45.
Which of the following is not present in
Chlamydomonas?
a.
b.
c.
d.
a.
Rhizopus
b.
Penecillium
c.
Puccinia
d.
Neurospora
Correct Ans. (c)
41.
Which of the following causes smut in
wheat?
a.
b.
c.
d.
cup-shaped chloroplast
eye spot
nucleus
central vacuole
Correct Ans. (d)
46.
Phytophthora
Ustilago
Agaricus
Aspergillus
Which of the following is the method of
asexual reproduction in Chlamydomonas?
a.
b.
c.
d.
budding
fragmentation
Akinetes formation
Zoospore formation
Correct Ans. (b)
Correct Ans. (d)
42.
Which of the following diseases is not
caused by fungi?
a.
b.
c.
d.
potato blight
fire-blight
powdery mildew
downy mildew
Correct ans. (b)
43.
Athletes foot disease in man caused by:
47.
Meiosis in Stigeoclonium occurs:
a.
b.
c.
d.
before gamete formation
after gamete formation
in the zygote
during zoospore formation
Correct Ans. (c)
48.
Which of the following genera exhibits an
alternation of generations, with haploid
and diploid multicellular phase?
b.
c.
d.
a.
b.
c.
d.
Correct Ans. (c)
Chlamydomonas
Stigeoclonium
Ulva
Euglena
53.
49.
Which of the following is mismatched?
a.
b.
Correct Ans. (c)
saprophyte
Sporophyte
Parasite
Rhizopus_______ heterotrophic
Pink bread mold ______
Penecillium
Stigeoclonium ______
heterotrichous
Ulva ______ marine
In which of the following multicellular
haploid phase alternates with unicellular
diploid phase?
c.
a.
b.
c.
d.
Correct Ans. (b)
Chlamydomonas
Stigeoclonium
Ulva
Euglena
(c)
Correct Ans.
d.
54.
Which of the following is the
characteristic of all fungi?
a.
b.
c.
d.
50.
Which of the following statement is true of
Fungi Imperfecti?
a.
b.
c.
d.
produce gametes
reproduce sexually
have sexual phase
lack sexual phase
autotrophic
parasitic
saprophytic
heterotrophic
Correct Ans. (d)
55.
The fusion of two motile dissimilar
gametes is called:
Correct Ans. (d)
a.
b.
c.
d.
Isogamy
Anisogamy
Oogamy
somatogamy
Correct Ans. (b)
51.
Zygotes of species in the group
Thallophyta
a.
b.
c.
d.
do not develop into embryo with in
the parent plant
are flagellated
have triploid nuclei
form from the union of diploid
cells
56.
Zygospores are generally absent in a
culture of Rhizopus hyphae developed
from a single spore due to:
a.
b.
c.
d.
deficiency of nutrients
excess of nutrients
presence of plus and minus strains
absence of plus and minus strains
Correct Ans. (d)
Correct Ans. (a)
52.
Where there is alternation of generation,
the diploid multicellular plant is called:
a.
gametophyte
CHAPTER 7
Choose the most appropriate answer:
6.
1.
They retain zygote after fertilization in the
female reproductive organ which develops
into an embryo:
a.
b.
c.
d.
a.
b.
c.
d.
Algae
Fungi
Cyanobacteria
Bryophytes
Correct Ans. (d)
Unicellular
Bicellular
Tricellular
Multicellular
Correct Ans. (d)
7.
The large nonmotile egg formed in
heterogamy is full of:
2.
It is much more uniform habitat and better
supplied with nutrients:
a.
b.
c.
d.
The sex organs of moss plant are:
a.
b.
c.
d.
Land
Air
Water
Ice
stored food
water
air
waste matter
Correct Ans. (a)
8.
Embryos are present in all:
Correct Ans. (c)
3.
The reproductive organs of moss plants are
located on the:
a.
b.
c.
d.
Side of stem
Base of stem
Tip of stem
Axil of leaves
a.
b.
c.
d.
Bryophytes
Vascular plants
Algae
Both A & B
Correct Ans. (d)
9.
The zygote in moss plant divides and
produces:
Correct Ans. (c)
4.
The dominant generation in Bryophytes is:
a.
b.
c.
d.
Sporophyte
Gametophyte
Saprophyte
Tracheophyte
Correct Ans. (b)
5.
Antheridium produces:
a.
b.
c.
d.
Eggs
Sperms
Spores
Zygotes
Correct Ans. (b)
a.
b.
c.
d.
Sperms
Eggs
Embryo
Spores
Correct ans. (c)
10.
In moss plant, spore on germination
develops into:
a.
b.
c.
d.
Sporophyte
Gametophyte
Liverworts
Pteredophytes
Correct Ans. (b)
d.
all of these
Correct ans. (d)
11.
In Moss plant:
a.
b.
c.
d.
Gametophyte is dependent on
Sporophyte
Sporophyte is dependent on
gametophyte
Both are independent from each
other
Both are dependent on each other
for food
Correct Ans. (b)
12.
16.
Which of the following is an example of
liverworts?
a.
b.
c.
d.
Funaria
Marchantia
Ulva
Penecillium
Correct Ans. (b)
17.
The diffusion of oxygen and carbon
dioxide in bryophytes take place through the:
Alternation of generation:
a.
b.
c.
d.
Increases the chances of survival
Decreases the chances of survival
Does not affect survival
None of these
a.
b.
c.
d.
epidermal cells
stomata
pores in the epidermis
cuticle
Correct Ans. (c)
Correct Ans. (a)
13.
Meiosis (reduction division) in moss plant
occurs:
a.
b.
c.
d.
Before gametes formation
Before spore formation
After spore formation
After gametes formation
18.
The female sex organs in moss plant are
called:
a.
b.
c.
d.
archegonia
antheridia
sporangia
oogonia
Correct Ans. (a)
Correct ans. (b)
14.
Which of the following have unicellular
reproductive organs?
a.
b.
c.
d.
mosses
algae
liverworts
Pteredophytes
19.
Which of the following are produced in
archegonia?
a.
b.
c.
d.
sperms
eggs
ovules
spores
Correct Ans. (b)
Correct Ans. (b)
15.
Which of the following characteristics are
adopted by organisms for life on land?
a.
b.
c.
multicellular plant body
heterogamy
formation of embryos
20.
Which of the following produces embryo
with in the parent plant?
a.
b.
c.
d.
Rhizopus
Ulva
Funaria
Stigeoclonium
Correct Ans. (c)
c.
d.
opposite electric charges
none of these
Correct Ans. (b)
21.
is:
The alternation of generation in moss plant
a.
b.
c.
d.
22.
isomorphic
heterosporic
isogamic
heteromorphic
Correct Ans. (d)
a.
b.
c.
d.
The gametophyte of a moss plant is:
Correct Ans. (d)
a.
b.
c.
d.
Monoploid
Diploid
Triploid
Polyploidy
Correct Ans. (a)
23.
Which of the following is mismatched in
bryophytes?
a.
b.
c.
d.
archegonia _____ eggs
Antheridia _____ spores
Bryophytes ___ non __vascular
plants
Gametophyte ____ dominant
Correct Ans. (b)
24.
A moss sperm moves by means of:
a.
b.
c.
d.
pseudopodia
one flagellum
two flagella
none of these
Correct Ans. (c)
25.
by:
26.
Embryonic development of the bryophyte
zygote takes places in the:
The bryophyte sperm attracted to the egg
a.
b.
moving currents of water
chemical secretions
protonema
sporogonium
Antheridium
archegonium
CHAPTER 8
Choose the most appropriate answer:
1.
They are non-vascular plants:
a.
b.
c.
d.
6.
are:
Hosrsetails
Conifers
Club mosses
Liverworts
a.
b.
c.
d.
Correct Ans. (d)
2.
They are water conducting cells of xylem
tissue:
a.
b.
c.
d.
The branches of primitive vascular plants
U-shaped
V-shaped
Y-shaped
W-shaped
Correct Ans. (c)
7.
Xylem in the stem of primitive vascular
plants is:
parenchyma
sclera chyma
trachieds
sieve tubes
a.
b.
c.
absent
external to phloem
none of these
Correct Ans. (C)
Correct Ans. (c)
3.
It is dominant generation in tracheophytes:
a.
b.
c.
d.
Gametophyte
Saprophyte
Sporophyte
Thallophyte
Correct Ans. (c)
4.
It is the oldest vascular plants:
a.
b.
c.
d.
Psilotum
Selaginella
Lycopodium
Equisetum
8.
is:
The number of veins in Megaphyllous leaf
a.
b.
c.
d.
One
Two
Three
Many
Correct Ans. (d)
9.
The first step in the evolution of
Megaphyllous leaf is called:
a.
b.
c.
d.
Webbing
Formation of out growth
Planation
Plantation
Correct Ans. (a)
Correct Ans. (c)
5.
It is a fossil vascular plant:
a.
b.
c.
d.
Rhynia
Psilotum
Pinus
Lycopodium
Correct Ans. (a)
10.
In Selaginella, roots are produced from
leafless branches called:
a.
b.
c.
d.
Rhizoids
Rhizomorph
Rhizophores
Sporophore
Correct Ans. (c)
b.
c.
d.
Female gametophyte
Male Sporophyte
Female Sporophyte
Correct Ans. (b)
11.
The stem of Selaginella does not contain:
a.
b.
c.
d.
12.
xylem
Phloem
Cambium
Epidermis
17.
of:
Correct Ans. (c)
a.
b.
c.
d.
Male gametophyte develops from:
Correct Ans. (d)
a.
b.
c.
d.
Archegonium
Antheridium
Megaspore
Microspore
Embryo
Spore
Zygote
Seed
18.
Integumented mega sporangium in which
megaspore is retained is called:
a.
b.
c.
d.
Correct Ans. (d)
13.
Pollen tube is required for the production
Ovule
Seed
Embryo
Pollen tube
The embryo of Selaginella develops into:
Correct Ans. (a)
a.
b.
c.
d.
Gametophyte
Thallophyte
Saprophyte
Sporophyte
19.
a.
b.
c.
d.
Correct Ans. (d)
14.
In Selaginella the embryo develops into:
Root, stem, leaves and cotyledons
Root, stem, leaves and flowers
Root, stem, leaves and seeds
Root, stem, leaves and fruits
Production of two types of spores is called:
Correct Ans. (a)
a.
b.
c.
d.
Microspory
Megaspory
Homospory
Heterospory
Correct Ans. (d)
15.
20.
Primitive vascular paints had sporangia at:
a.
b.
c.
d.
Axils of leaves
Bases of branches
Tips of branches
Both A & B
All seed plants are:
Correct Ans. (c)
a.
b.
c.
d.
Homosporous
Isogamous
Heterosporous
None of these
Correct Ans. (c)
16.
Megaspore develops into:
a.
Male gametophyte
21.
Which one of the following is necessary
for the development of seed?
a.
b.
c.
d.
introduction of Heterospory
retention of the megaspore within
mega sporangium
development of pollen tube
all of these
Correct Ans. (d)
c.
d.
produce flowers
non of these
Correct Ans. (b)
22.
Which of the following are non-vascular
plants?
a.
b.
c.
d.
23.
is
club mosses
ferns
mosses
conifers
27.
Which of the following do not have true
leaves?
Correct Ans. (c)
a.
b.
c.
d.
In tracheophyte the Sporophyte generation
Correct Ans. (d)
a.
b.
c.
d.
dependent
dominant
without leaves
without roots
28.
The oldest known vascular plants were
widespread about
a.
b.
c.
d.
Correct Ans. (b)
24.
Which of the following is not the character
of gametophyts in tracheophyte?
a.
b.
c.
d.
large
reduced
short lived
small
29.
In which of the following only the stem
performs the function of photosynthesis?
a.
b.
c.
d.
25.
Which of the following do not produce
seeds?
Correct Ans. (d)
26.
The Pteredophytes are also called lower
vascular plants because they:
a.
b.
contain cambium
do not produce seeds
Psilotum
Selaginella
Lycopodium
Equisetum
Correct Ans. (a)
30.
ferns
club mosses
horse tails
all of these
300 million year ago
400 million years ago
500 million year ago
600 million year ago
Correct Ans. (a)
Correct Ans. (a)
a.
b.
c.
d.
Psilotum
Selaginella
Equisetum
Lycopodium
Which of the following number of rows of
leaves are present on the stem of
Selaginella?
a.
b.
c.
d.
two
four
five
six
correct Ans. (b)
31.
Which of the following is not the part of
Selaginella plant?
a.
b.
c.
d.
Stem
Root
Seed
Leaves
a.
b.
c.
d.
insects
water
pollen tube
air
correct Ans. (b)
Correct Ans. (c)
32.
Reproductive leaves produced at the ends
of upright branches in Selaginella are
called:
a.
b.
c.
d.
sporophylls
sporangia
sporocarps
spermatia
37.
Which of the following are trends towards
seed habit exhibited by Selaginella?
a.
b.
c.
d.
Correct Ans. (a)
33.
In Selaginella, sporangia are produced:
a.
b.
c.
d.
at the lower margins of leaves
on the lower surface of leaves
in the axils of sporophyll
on the upper surface of sporophylls
Correct Ans. (c)
34.
Heterospory
Presence of pollen tube
Non-flagellated sperms
Dependency on water for
fertilization
Correct Ans. (a)
38.
In which of the following sporangium is
enveloped in a leaf?
a.
b.
c.
d.
Equisetum
Psilotum
Selaginella
Lycopodium
Megaspores are produced inside
Correct Ans. (d)
a.
b.
c.
d.
microsporangia
megasporangia
archegonia
antheridia
Correct Ans. (b)
35.
Meiosis in Selaginella occurs
a.
b.
c.
d.
before zygote germination
before gametes formation
before spores formation
after spore formation
correct Ans. (c)
36.
In Selaginella sperms are transported to
the egg through
39.
The sporangia of horsetail (Equisetum)
cones are produced
a.
b.
c.
d.
in the axils of leaves
on the tip of branches
on little branches
enveloped in leaf
Correct Ans. (c)
40.
In which of the following sporangia are
not properly protected?
a.
b.
c.
d.
Pines
Psilotum
Selaginella
Lycopodium
Correct Ans. (b)
c.
d.
41.
Which of the following is not the character
of seed plants?
a.
b.
c.
d.
Heterospory
Presence of pollen tube
Dependency on water for
fertilization
Development of seed
vessels that transport fluids
no independent life
correct Ans. (c)
46.
In Selaginella, of the two cells formed by
the first division of zygote, only one
develops into an embryo while the other
grows into an elongated structure called.
a.
b.
c.
d.
Correct Ans. (c)
rhizophore
radical
suspensor
prothallus
Correct Ans. (c)
42.
Which of the following are the
characteristics of the ovule?
a.
b.
c.
d.
presence of integument
retention of megaspore
maturation into seed
all of these
Correct Ans. (d)
43.
CHAPTER 9
Choose the most appropriate answer:
1.
Which of the following belongs to
Gymnosperm group:
Which of the following helped the seed
plants to adapt to a wide variety of
environments?
a.
b.
c.
d.
Heterospory
Presence of roots
No dependency on external water
for fertilization
Production of leaves
a.
b.
c.
d.
Cedrus
Wheat
Sugar cane
Tobacco
Correct Ans. (a)
2.
are:
The leaves produced by the Pinus plant
Correct Ans. (c)
a.
b.
c.
d.
44.
Sperms are transported to the egg in seed
plants through?
a.
b.
c.
d.
water
pollen tube
insects
air
Correct Ans. (b)
45.
A plant in the division Tracheophyta has a
Sporophyte with
a.
b.
isogametes
flagellated and motile eggs
One type
Two types
Three types
Four types
Correct Ans. (b)
3.
Pinus produces:
a.
b.
c.
d.
Cones
Fruits
Flowers
None of these
Correct Ans. (a)
4.
The numb of microsporangia in each
sporophyll of male cone of Pinus is:
a.
b.
c.
d.
5.
One
Two
Three
Four
Correct Ans. (d)
10.
They lack secondary growth:
Correct Ans. (b)
a.
b.
c.
d.
Megaspore divides by mitosis and forms:
Correct Ans. (c)
a.
b.
c.
d.
Male gametophyte
Male Sporophyte
Female gametophyte
Female Sporophyte
Correct Ans. (c)
11.
Gymnosperms
Angiosperms
Pteredophytes
Both A & B
Which of the following produce flowers?
a.
b.
c.
d.
Bryophytes
Pterdophytes
Gymnosperms
Angiosperms
Correct Ans. (d)
6.
new:
The seed of Pinus germinates and forms
12.
When calyx and corolla are not
distinguishable, they are collectively called:
a.
b.
c.
d.
7.
Sporophyte
Micro gametophyte
Thallophyte
Mega gametophyte
a.
b.
c.
d.
Correct Ans. (a)
The endosperm in Angiosperm is:
a.
b.
c.
d.
Monoploid
Triploid
Diploid
Teraploid
Correct Ans. (d)
13.
The Endosperm in Gymnosperms is:
a.
b.
c.
d.
Triploid
Diploid
Monoploid
Tetraploid
14.
Pine
Pea
Mustard
None of these
In Cassia fistula the inflorescence is:
a.
b.
c.
d.
Antheridia are produced by:
a.
b.
c.
d.
Corymb
Umbel
Capitulum
Spike
Correct Ans. (d)
Correct Ans. (c)
9.
It is a racemose inflorescence in which the
main axis is elongated and the flowers are
sessile:
a.
b.
c.
d.
Correct Ans. (b)
8.
Panicle
Pedicel
Protoplast
Perianth
Typical raceme
Typical cyme
Umbel
Catkin
Correct Ans. (a)
15.
A branched raceme is called:
a.
b.
c.
d.
Panicle
Capitulum
Umbel
Corymb
a.
b.
c.
d.
Correct Ans. (a)
16.
In which of the following, flowers are
sessile and crowded together on a short
axis?
a.
b.
c.
d.
Solanaceae
Poaceae (Graminae)
Brassicaceae
Leguminosae
Correct Ans. (b)
21.
Female gametophyte of an angiosperm
consists of:
a.
b.
c.
d.
Umbel
Corymb
Panicle
Capitulum
3 cells
5 cells
7 cells
9 cells
Correct Ans. (c)
Correct Ans. (d)
22.
The male gametophyte of an angiosperm
consists of:
a.
one cell
b.
2 cells
c.
3 cells
d.
4 cells
17.
Iberis (Candytuft) is an example of:
a.
b.
c.
d.
18.
Spike
Catkin
Corymb
Cyme
23.
Endosperm mother cell is:
Correct Ans. (c)
a.
b.
c.
d.
In Euphorbia, the inflorescence is:
Correct Ans. (b)
a.
b.
c.
d.
Uniparous
Biparous
Multiparous
None of these
Correct Ans. (c)
19.
Correct Ans. (c)
Monoploid
Diploid
Triploid
Tetraploid
24.
Their cotyledons absorb the endosperm
tissue and are greatly enlarged:
a.
b.
c.
d.
Castor oil
Rice
Corn
Bean
In wind pollinated flowers the petals are:
Correct Ans. (d)
a.
b.
c.
d.
Large
Coloured
Scented
Small and dry
Correct Ans. (d)
20.
Triticum aestivum belongs to the family:
25.
The protective covering (integument) of
the ovule is transformed into:
a.
b.
c.
d.
Embryo
Cotyledon
Hypocotyl
Seed coat (testa)
Correct Ans. (d)
d.
26.
Which of the following produces winged
fruits ?
Correct Ans. (d)
32.
a.
b.
c.
d.
Monera
Guavas
Cocklebur
Dodonaea
Coconut
Ovary is oblique in:
a.
b.
c.
d.
Brassicaceae (Cruciferae)
Solanaceae
Leguminosae
Graminae
Correct Ans. (c)
Correct Ans. (b)
27.
It is an underground stem that is short,
thickened, and fleshy containing food
material:
a.
b.
c.
d.
33.
Raphanus sativus is the botanical name of:
a.
b.
c.
d.
Rhizome
Tuber
Corm
Bulb
Turnip
Tomato
Radich
Mustard
Correct Ans. (c)
Correct Ans. (c)
29.
Which of the following type of stem is
found in iris:
a.
b.
c.
d.
30.
Rhizome
Tuber
Corm
Bulb
34.
Their roots contain nitrogen fixing
bacteria:
a.
Tomato
b.
Potato
c.
Legumes
d.
Maize
Correct Ans. (c)
35.
the
The sporangia of conifers are located on
Correct Ans. (a)
a.
b.
c.
d.
Potato is an example of
Correct Ans. (b)
a.
b.
c.
d.
Rhizome
Tuber
Corm
Bulb
36.
The microspore of conifers divides by
mitosis to produce a
a.
b.
c.
d.
Correct Ans. (b)
31.
Organisms in this kingdom are made of
prokaryotic cells:
a.
b.
c.
Protista
Plantae
Fungi
tips of needles
scales of the cones
bases of the needles
axils of the branches
multicellular embryo
male Sporophyte
male gametophyte
female gametophyte
Correct Ans. (c)
37.
The plant body of a Pinus is
a.
gametophyte
b.
c.
d.
saprophyte
Sporophyte
Parasite
Correct Ans. (c)
38.
In Pinus plant megaspore
a.
b.
c.
d.
is released from the asporangium
before germination
is never released from the mega
sporangium
is released from the mega
sporangium after germination
develops into male gametophyte
Correct Ans. (b)
39.
In how much time the process of seed
formation is completed in Pinus?
a.
b.
c.
d.
one year
two years
three years
four years
Correct Ans. (c)
42.
Which of the following characters is not
shared by both the Gymnosperms and
Angiosperms?
a.
b.
c.
d.
presence of vessels
pollen tube
seed production
Heterospory
Correct Ans. (a)
43.
Which of these is not the characteristic of
an Angiosperm?
a.
b.
c.
d.
enclosed seed
presence of archegonia
double fertilization
triploid endosperm
Correct Ans. (b)
44.
Which of the following is an example of
spike?
a.
b.
c.
d.
Brassica
Achyranthus
Iberis
Cassia
Correct Ans. (b)
40.
Which of the following is not shared by
both the Pteridophytes and Gymnosperms?
a.
b.
c.
d.
presence of vascular tissues
presence of archegonia
presence of antheridia
dominant Sporophyte generation
Correct Ans. (c)
41.
Which of the following characters are
shared by both the Gymnosperms and
Angiosperms?
a.
b.
c.
d.
Heterospory
Seed production
Pollen tube formation
All of these
Correct Ans. (d)
45.
Which of the following is an example of
Biparous cyme?
a.
b.
c.
d.
Silene
Tradescantia
Begonia
Euphorbia
Correct Ans. (a)
46.
In which of the following endosperm is
involved in the process of fertilization?
a.
b.
c.
d.
Gymnosperms
Pteredophytes
Angiosperms
Algae
Correct Ans. (c)
d.
47.
Which of the following is part of an
embryo?
a.
b.
c.
d.
hypocotyls
radical
epicotyl
all of these
Correct Ans. (d)
52.
In the life cycle of angiosperms meiosis
occurs
a.
b.
c.
d.
Correct Ans. (d)
48.
Which of the following is not part of an
embryo?
a.
b.
c.
d.
cotyledon
endosperm
plumule
epicotyl
53.
Which of the following is not the part of
Sporophyte of an angiosperm?
a.
b.
c.
d.
In which of the following the endosperm
tissue continues to grows as the ovule
matures into a seed?
corn
bean
pea
gram
sperm
roots
leaves
stem
Correct Ans. (a)
54.
a.
b.
c.
d.
during seed formation
before seed formation
after spore formation
during gametes formation
Correct Ans. (b)
Correct Ans. (b)
49.
all of these
The corn grain is a/an
a.
b.
c.
d.
seed
embryo
spore
fruit with a single seed
Correct Ans. (a)
Correct Ans. (d)
50.
Which of the following is not the feature
of flowers pollinated by wind?
a.
b.
c.
d.
small petals
abundance of pollen grains
production of nectar
large feathery structure of the tip of
pistils
Correct Ans. (c)
51.
Which of the following is the character of
insect pollinated flowers?
a.
b.
c.
large petals
coloured petals
production of nectar
55.
The number of cotyledons present in bean
seed is:
a.
b.
c.
d.
one
two
three
four
Correct Ans. (b)
56.
Which of the following is the number of
cotyledons in corn seed?
a.
b.
c.
one
two
three
d.
four
b.
c.
d.
Correct Ans. (a)
57.
The fruits of which of the following are
provided with hooks?
Correct Ans. (b)
62.
a.
b.
c.
d.
Dodonaea
Cocklebur
Coconut
Grapes
Correct Ans. (b)
58.
Which of the following generally
possesses only primary wood?
a.
b.
c.
d.
Monocotyledons
Gymnosperms
Dicotyledons
All of these
Correct Ans. (a)
59.
Which of the following fruits are
parthenocarpic?
a.
b.
c.
d.
apples
oranges
mangoes
bananas
Correct Ans. (d)
water storage cells
reproductive cells
dead cells
Which of the following is reduced if the
leaves are succulents in the succulent
plants?
a.
b.
c.
d.
stem
roots
flowers
fruits
Correct Ans. (a)
63.
Which of the following is not the
characteristic of the succulents?
a.
b.
c.
d.
well developed cuticle
low rate of transpiration
volume of the shoot is less in
proportion to the surface exposed
volume of the shoot is great in
proportion to the surface exposed
Correct Ans. (d)
64.
Which of the following has stored food in
the form of sugars?
a.
b.
c.
d.
stem tuber
bulb
corm
rhizome
Correct Ans. (b)
60.
In which of the following the thalamus
forms the edible part of the fruit?
a.
b.
c.
d.
pea
apple
grapes
mango
65.
Which of the following established rules
for binomial nomenclature?
a.
b.
c.
d.
H.C. Gram
C. Linnaeus
R. Whittaker
Stanley
Correct Ans. (b)
Correct Ans. (b)
61.
The chief characteristic of the succulents is
that the bulk of the plant body is composed
of
a.
food storage cells
66.
Which of the following established five
kingdom system of the living organisms?
a.
Stanley
b.
c.
d.
C. Linnaeus
Lederberg
R. Whittaker
a.
b.
c.
d.
Cicer arietinum
Iberis amara
Zea mays
Capsicum annum
Correct Ans. (d)
Correct Ans. (d)
67.
Which of the following is not the
characteristic of Gymnosperm?
a.
b.
c.
d.
72.
In which of the following families
Gynoecium consists of only one pistil?
stem
root
flower
leaf
a.
b.
c.
d.
Leguminosae (Fabaceae)
Solanaceae
Brassicaceae
None of these
Correct Ans. (c)
Correct Ans. (a)
68.
Which of these is an example of uniparous
cyme?
a.
b.
c.
d.
Euphorbia
Tradescantia
Ipomoea
Achyranthes
Correct Ans. (b)
69.
Which of the following is the approximate
number of species in the family
Brassicaceae (Cruciferae)?
a.
b.
c.
d.
2000
3000
4000
5000
73.
Which of the following are adapted to
survival under conditions of a limit supply
of water?
a.
b.
c.
d.
Bryophytes
Hydrophytes
Xerophytes
Mesophytes
Correct Ans. (c)
74.
Which of the following has hollow stem
between the nodes?
a.
b.
c.
d.
Poaceae (Graminae)
Solanaceae
Leguminosae
All of these
Correct Ans. (b)
Correct Ans. (a)
70.
Sisymbrium irio belongs to the family
a.
b.
c.
d.
Solanaceae
Fabaceae
Brassicaceae (Cruciferae)
Poaceae
Correct Ans. (c)
71.
Which of the following belongs to the
family Solanaceae?
75.
In which of the following flowers are
produced in dense spikes?
a.
b.
c.
d.
Solanaceae
Leguminosae
Brassicaceae
Graminae
Correct Ans. (d)
76.
Which of these is mismatched?
Correct Ans. (b)
a.
b.
c.
d.
77.
pollen grain _______ male
gametophyte
sunflower ________ umbel
Gymnosperm _________ cones
Potato _______ stem tuber
81.
All embryophytes have life cycle with
Correct Ans. (b)
a.
b.
c.
d.
Which of these is found in seed plants?
Correct Ans. (d)
a.
b.
c.
d.
complex vascular system
pollen grain to replace swimming
sperm
retention of the megaspore with in
the mega sporangium
all of these
seeds
flowers
fruits
alternation of generation
82.
Which of the following contains stored
food for the germination of embryo?
a.
b.
c.
d.
stigma
endosperm
pollen grain
root
Correct Ans. (d)
Correct Ans. (b)
78.
Which of these is mismatched?
a.
b.
c.
d.
anthers _______ produces
microsporangia
pistil ______ produces pollen
ovule ______ becomes seed
ovary _____ becomes fruit
83.
In which of the following food is not
stored in the endosperm of the seed?
a.
b.
c.
d.
corn
castor oil
bean
wheat
Correct Ans. (b)
Correct Ans. (c)
79.
Which of the following is monocot
family?
a.
b.
c.
d.
Cruciferae
Solanaceae
Leguminosae
Graminae
84.
Which of the following stores food in the
cotyledon of the seed?
a.
b.
c.
d.
corn
wheat
castor oil
bean
Correct Ans. (d)
Correct Ans. (d)
80.
Which of the following are seedless
vascular plants?
a.
b.
c.
d.
mosses
horsetails
liverworts
legumes
85.
Which of these does not develop from the
zygote of an angiosperm?
a.
b.
endosperm
cotyledon
c.
d.
radical
plumule
Correct Ans. (a)
86.
Which of these remain underground during
hypogeal mode of germination?
a.
b.
c.
d.
plumule
cotyledon
epicotyl
none of these
Correct Ans. (b)
87.
c.
d.
radicle
hypocotyl
Correct Ans. (b)
91.
In the seeds of leguminous plants, food is
stored in the
a.
b.
c.
d.
endosperm
testa
taegmen
cotyledons
Correct Ans. (d)
Phylogeny describes a species
a.
b.
c.
d.
reproductive compatibilities with
other species
evolutionary history
morphological similarities with
other species
geographic distribution
Correct Ans. (d)
88.
Of all the taxa, the only one that exists in
nature as a biologically cohesive unit is
the:
a.
b.
c.
d.
species
genus
order
kingdom
Correct Ans. (a)
89.
The part of the embryo between the point
of attachment of cotyledons and the radicle
is called the:
a.
b.
c.
d.
hypocotyls
epicotyl
suspensor
plumule
Correct Ans. (a)
90.
The part of the axis of embryo above the
attachment of cotyledon is called the
a.
b.
plumule
epicotyl
CHAPTER 10
Choose the most appropriate answer:
6.
1.
Which of the following is the asexual
method of reproduction in Protozoa?
a.
b.
c.
d.
2.
Which of the following sexual method of
reproduction is absent in Protozoa?
a.
b.
c.
d.
Oogamy
Isogamy
Anisogamy
Conjugation
Correct Ans. (a)
3.
Which of these is shelled protozoan?
a.
b.
c.
d.
Plasmodium
Paramecium
difflugia
Amoeba
Correct Ans. (c)
4.
Which of these is not the characteristic of
Proifera?
a.
b.
c.
d.
aquatic habitat
pores
Multicellular
Presence of organs
Correct Ans. (d)
5.
Members of the porifera reproduce
sexually by
a.
b.
c.
d.
a.
b.
c.
d.
Isogamy
An-isogamy
Oogamy
Budding
Correct Ans. (d)
Oogamy
Isogamy
As-isogamy
Somatogamy
Correct Ans. (a)
Which of these is a fresh water sponge?
Sycon
Leucosolenia
Spongilla
Euplectella
Correct Ans. (c)
7.
Coelenterates are:
a.
b.
c.
d.
predominantly freshwater
predominantly marine
predominantly terrestrial
terrestrial and freshwater
Correct Ans. (b)
8.
Which of these is not the character of
Coelenterates?
a.
b.
c.
d.
primitive plan of organization
no left and right sides of the body
radical symmetry
bilaterial symmetry
Correct Ans. (d)
9.
The sac-like internal digestive cavity of
coelenterates is called:
a.
b.
c.
d.
enteron
nematocytes
exeron
stomach
Correct Ans. (a)
10.
Which of these is the characteristic of
coelenterates?
a.
b.
c.
d.
digestive cavity with a single
aperture
presence of nematocytes
presence of tentacles
all of these
Correct Ans. (d)
11.
The units of the colonies of coelenterates
is called:
a.
b.
c.
d.
zoospores
zooids
cysts
akinetes
16.
Which of these develops from the
mesoderm?
a.
b.
c.
d.
Correct Ans. (b)
12.
Which of the following is polymorphism
in coelenterates?
a.
b.
c.
d.
production of one type of zooids
production of two types of zooids
production of may types of zooids
all of these
Correct Ans. (a)
17.
Organisms possessing true body cavity are
called:
a.
b.
c.
d.
Correct Ans. (c)
13.
Which of these are sexually reproductive
zooids?
a.
b.
c.
d.
medusae
hydroids
nematocytes
none of these
18.
Which of these are acoelomatic
triploblastic animals?
a.
b.
c.
d.
14.
Which of the following produce hard
exoskeletion?
jelly fish
Hydra
Obelia
Corals
19.
Which of the following character is
exhibited by platyhelminthes?
a.
b.
c.
d.
15.
Which of these develops from the
endoderm?
eggs without yolk
simple reproductive system
all are parasites
none of these
Correct Ans. (d)
20.
nervous system
lining of the gut
reproductive system
skeleton
corals
porifera
platyhelminthes
protozoans
Correct Ans. (c)
Correct Ans. (d)
a.
b.
c.
d.
acoelomata
coelomata
monoblastic
diplobalstic
Correct Ans. (b)
Correct Ans. (a)
a.
b.
c.
d.
circulatory system
integumentary system
nervous system
digestive system
Which of these belong to platyhelminthes?
a.
b.
c.
d.
Ascaris
Fasciola
Trichinella
Hydra
Correct Ans. (b)
Correct Ans. (b)
Correct Ans. (c)
21.
Trichinella belongs to:
a.
b.
c.
d.
protozoa
platyhelminthes
nematode
coelenterate
26.
Which of the following has segmented
body?
a.
b.
c.
d.
Correct Ans. (c)
22.
Which of the following has a body cavity
called pseudocoelom?
a.
b.
c.
d.
platyhelminthes
coelenterate
protozoa
nematode
Correct Ans. (d)
27.
23.
Which of the following is parasite in the
intestine man?
Fasciola
Plasmodium
Taenia
Planaria
Presence of cuticle around the body
Segmented body
Lack of blood vascular system
Presence of true body cavity
Correct Ans. (c)
28.
Which of these possesses true body cavity
(coelom)?
a.
b.
c.
d.
Correct Ans. (c)
24.
Which of these belong to the phylum
nematoda?
Annelia
Nematoda
Platyhelminthes
Coelenterata
Correct Ans. (a)
29.
a.
b.
c.
d.
Which of these is not true of Annelida?
a.
b.
c.
d.
Correct Ans. (d)
a.
b.
c.
d.
coelenterate
protozoa
platyhelminthes
annelida
planaria
dracunculus
corals
planaria
Which of these is an example of Annelida?
a.
b.
c.
d.
Ascaris
Chaetopteris
Trichinella
Taenia
Correct Ans. (b)
Correct Ans. (c)
25.
Which of the following causes sleeping
sickness?
a.
b.
c.
d.
vorticella
Ascaris
Trypanosome
Taenia
30.
Of all the animal species in the animal
kingdom the number of arthropod species
constitutes almost:
a.
b.
c.
75%
50%
25%
d.
10%
c.
d.
Nematoda
Echinodermata
Correct Ans. (a)
Correct Ans. (d)
31.
The number of pairs of legs in insects are:
a.
b.
c.
d.
one
two
three
four
36.
Which of these is not true of
Echinodermata?
a.
b.
c.
d.
Correct Ans. (c)
32.
coelomata
bilaterally symmetrical
absence of brain
absence of head
Mollusks are:
Correct Ans. (b)
a.
b.
c.
d.
presence of envelop around the
body
highly organized body with
complex systems
segmented body
bilaterally symmetrical body
37.
a.
b.
c.
d.
Correct Ans. (c)
33.
Which of the following protozoans lives in
the gust termites and helps them digest
cellulose?
Plasmodium
Amoeba
Trichonympha
Trypanosome
Which of these is the habitat of mollusca?
Correct Ans. (c)
a.
b.
c.
d.
freshwater
marine
mountains
all of these
38.
a.
b.
c.
d.
Correct Ans. (d)
34.
Most sponges are
bilaterally symmetrical
radially symmetrical
vertically symmetrical
asymmetrical
Coiled shell is present in
Correct Ans. (d)
a.
b.
c.
d.
bivalves
gastropods
cephalopods
all of these
Correct Ans. (b)
35.
Which of the following are exclusively
marine?
a.
b.
Mollusca
Annelida
39.
Water exits from a sponge through the
a.
b.
c.
d.
spicule
osculum
choanocyte
choanocyte
Correct Ans. (b)
40.
Which of the following is a radially
symmetrical animal?
a.
b.
c.
d.
Planaria
Rotifer
Fluke
Sea anemone
Correct Ans. (d)
41.
The body cavity of roundworms is called
a.
b.
c.
d.
acoelom
pseudo-acoelom
pseudo coelom
coelom
Correct Ans. (c)
CHAPTER 11
Choose the most appropriate answer:
1.
The characters of vertebrates are:
a.
b.
c.
d.
Correct Ans. (d)
7.
presence of vertebral column
internal living skiliton
three main body parts
all of these
a.
b.
c.
d.
Correct Ans. (d)
2.
Vertebrates are:
a.
b.
c.
d.
8.
bilaterally symmetrical
radially symmetrical
vertically symmetrical
asymmetrical
Which of these is not true of Pisces?
a.
b.
c.
d.
sharks
eel
pike
rohu
Correct Ans. (a)
9.
Which of the following is the character of
amphibians?
presence of gills for breathing
tail as organ of locomotion
undeveloped skull
absence of middle ear
a.
b.
c.
d.
4.
Which of these are regarded as the first of
the vertebrates?
living both in water and on land
cold blooded
least numerous of the terrestrial
vertebrates
all of these
Correct Ans. (d)
10.
bony fishes
jawless fishes
cartilaginous fishes
all of these
Which of these is not true of amphibians?
a.
b.
Correct Ans. (b)
5.
Which of these has cartilaginous skeleton?
a.
b.
c.
d.
Correct Ans. (c)
a.
b.
c.
d.
dogfish
trout
pike
none of these
Correct Ans. (d)
Correct Ans. (a)
3.
Which of the following are without jaws?
c.
d.
breathing by gills in the larval
stage
breathing by lunge in the adult
stage
mostly internal fertilization
cold blooded
Sharks belong to
Correct Ans. (c)
a.
b.
c.
d.
6.
cartilaginous fishes
bony fishes
jawless fishes
none of these
Correct Ans. (a)
Jellyfish fish belongs to
a.
bony fishes
b.
cartilaginous fishes
c.
jawless fishes
d.
none of these
11.
Salamander is an example of
a.
b.
c.
d.
bony fishes
jawless fishes
amphibians
cartilaginous fishes
Correct Ans. (c)
Correct Ans. (b)
12.
Which of the following is not the character
of amphibians?
17.
a.
b.
c.
d.
cold blooded
do not depend on water for
reproduction
hibernate in winter
breath by gills in the larval stage
a.
b.
c.
d.
Correct Ans. (b)
13.
Reptiles are
a.
b.
c.
d.
18.
warm blooded
cold blooded
with internal fertilization
with a scaly skin
Which of these is not true of reptiles?
a.
b.
c.
d.
19.
In reptiles amnion and allantois are extra
membranes of:
a.
b.
c.
d.
20.
Which of these is an example of
amphibian?
a.
b.
c.
d.
Correct Ans. (c)
a.
b.
c.
d.
dipods
tetrapods
pentapods
polypods
egg
sperm
zygote
embryo
Correct Ans. (d)
fertilization is internal
eggs are large shelled
lay eggs in water
cold blooded
16.
Which of the following is the character of
reptiles?
do not lay eggs
lay eggs in water
lay eggs on land
eggs are without yolk
Correct Ans. (c)
Correct Ans. (d)
a.
b.
c.
d.
Which of the following is true of reptiles?
a.
b.
c.
d.
internal fertilization
predominantly terrestrial
tetrapods
dependent on water for
reproduction
15.
Which of these is not the character of
reptiles?
imperfectly two chambered
imperfectly three chambered
imperfectly four chambered
eight chambered
Correct Ans. (c)
Correct Ans. (b)
14.
The heart of reptiles is
sea horse
rohu
newt
snake
Correct Ans. (c)
21.
Which of these is extinct reptile?
a.
b.
c.
d.
Turtles
Brontosaurus
Snake
Alligator
Correct Ans. (b)
22.
Which of these do the Reptiles and Aves
not share?
a.
Similar embryonic development
b.
Presence of forelimbs
c.
Shelled eggs
d.
Scales on hind limbs
Correct Ans. (b)
23.
Correct Ans. (b)
28.
Which of these is not the mammalian
character?
a.
presence of hairs
b.
right aortic arch
c.
diaphragm
d.
well developed large brain
Correct Ans. (b)
Which of these is not true of birds?
a.
b.
c.
d.
cold blooded
heavy bones
weak pectoral muscles
all of these
29.
Which of these is not true of the egg laying
mammals?
a.
b.
c.
d.
Correct Ans. (d)
24.
feeding young with milk
presence of hairs
diaphragm
right aortic arch
Which of the following birds cannot fly?
Correct Ans. (d)
a.
b.
c.
d.
Rhea
Cassowary
Penguin
All of these
30.
Which of these are the placental
mammals?
a.
b.
c.
d.
Correct Ans. (d)
25.
In mammals fertilization is
a.
b.
c.
d.
absent
internal
external
both internal and external
Correct Ans. (c)
31.
The ear of mammals is divided into
a.
b.
c.
d.
three parts
four parts
five parts
six parts
Metatherians
a.
b.
c.
d.
Correct Ans. (b)
26.
prototherians
metatherians
eutherians
all of these
lay eggs
have to teeth in the adult
do not have true placenta
have spiny skin
Correct Ans. (c)
32.
Flying mammals are included
a.
b.
c.
d.
Correct Ans. (a)
27.
The skin of mammals is provided with
sweat glands for
Rodentia
Chiroptera
Primates
Cetacean
Correct Ans. (b)
a.
b.
c.
d.
respiration
temperature regulation
oily secretion
blood movement regulation
33.
Elephants are included in
a.
b.
carnivore
perissodactyla
c.
d.
artiodactyla
proboscidia
Correct Ans. (d)
34.
Artiodactyla include
a.
moles
b.
cattle
c.
horses
d.
wolves
Correct Ans. (b)
35.
In Which of the following young are born
in rudimentary conditions?
a.
b.
c.
d.
kangaroos
zebras
elephants
bats
CHAPTER 12
DIVERSITY IN FUNCTION PLANTS WATER
RELATIONS:
PHOTOSYNTHESIS
Correct Ans. (a)
Choose the most appropriate answer:
36.
The vertebrates are
a.
b.
c.
d.
all unisexual
all hermaphrodite
some unisexual and some
hermaphrodite
all neuter (without sex)
1.
The water of guttation is forced out of the
leaves by:
a.
b.
c.
d.
Diffusion
Root Pressure
Imbibition
Active transport
Correct Ans. (a)
Correct Ans. (b)
2.
The movement of solvent molecules
through a semi-permeable membrane from
a region of low solute concentration to a
region of high solute concentration is:
a.
b.
c.
d.
Diffusion
Plasmolysis
Osmosis
Active transport
Correct Ans. (c)
3.
The osmotic pressure of a solution
a.
b.
increases with increase in
concentration of solute
decrease with increase in
concentration of solute
c.
d.
remains unchanged with increase
in concentration of sol
none of these
b.
c.
d.
Correct Ans. (a)
4.
The transport of substances from a region
of its lower concentration to its higher
concentration is called:
a.
b.
c.
d.
Translocation
Guttation
Osmosis
Correct Ans. (b)
9.
Which of the following conducts water
inside plant body?
a.
b.
c.
d.
Osmosis
Imbibition
Active transport
Passive transport
phloem
xylem
cortex
pith
Correct Ans. (b)
Correct Ans. (c)
5.
The taking up of a liquid by a substance
with the resultant swelling in volume is
called:
a.
b.
c.
d.
10.
The exudation of water drops from the
leaves of intact plants is:
Plasmolysis
Imbibitions
Diffusion
Active transport
a.
b.
c.
d.
Correct Ans. (b)
6.
Germination of seed involves the rupturing
of seed coat because of:
a.
b.
c.
d.
guttation
transpiration
evaporation
transportation
Correct Ans. (a)
11.
In which of the following assimilates
move along the concentration gradient?
a.
b.
c.
d.
Osmosis
Imbibitions
Diffusion
Active transport
sieve tubes
xylem vessels
trachieds
fibers
Correct Ans. (a)
Correct Ans. (b)
12.
7.
The shrinkage of protoplasm due to exosmosis of water from the cell is called:
a.
b.
c.
d.
Osmosis
Deplasmolysis
Plasmolysis
Imbibition
a.
b.
c.
d.
Correct Ans. (c)
8.
The process where by water moves
through the plants is known as :
a.
Transpiration
Which of the following percentage of
transpiration usually occurs through the
stomata?
30%
50%
60%
90%
Correct Ans. (d)
13.
The combined area of total stomatal pores
as compared to the total leaf area is
almost:
a.
b.
c.
d.
1-2%
3-4%
5-6%
7-8%
b.
c.
d.
CO2
Glucose
None of these
Correct Ans. (a)
Correct Ans. (a)
19.
14.
The number of stomata per square
centimeter of leaf surface of tobacco leaf is
almost:
a.
b.
c.
d.
Chlorophylls c, d and e are present in:
a.
b.
c.
d.
1200
2100
12000
21000
Angiosperms
Gymnosperms
Bacteria
Algae
Correct Ans. (d)
Correct Ans. (c)
15.
The processes involved in stomatal
transpiration are:
a.
b.
c.
d.
2
4
8
6
20.
Chlorophyll is a large molecule with a
central core of:
a.
b.
c.
d.
Correct Ans. (a)
16.
When leaf cells are fully turgid, the
transpiration rate is:
Correct Ans. (d)
21.
a.
b.
c.
d.
Iron
Sulphur
Nitrogen
Magnesium
high
medium
low
not affected
Chlorophyll mainly absorbs red light and:
a.
b.
c.
d.
Green light
Yellow light
Blue light
Orange light
Correct Ans. (a)
Correct Ans. (c)
17.
The rate of water evaporation doubles for
every temperature rise of:
a.
b.
c.
d.
10 oC
20 oC
5 oC
25 oC
Correct Ans. (a)
18.
Oxygen gas released during
photosynthesis is comes from:
a.
Water
22.
In the photo system II, high energy
electrons of chlorophyll molecule are
accepted by:
a.
b.
c.
d.
PC
PQ
NAD
ATP
Correct Ans. (B)
23.
During light reaction of photosynthesis,
ATP formation occurs when electrons are
transported between cytochrome:
a.
b.
c.
d.
28.
The wave lengths of red light are in the
range of:
a and b
b and c
b and f
c and f
a.
b.
c.
d.
Correct Ans. (c)
24.
High energy electrons in photo system I
are transferred from FRS to:
a.
b.
c.
d.
400-500 nm
500-550 nm
600-650 nm
700-750 nm
Correct Ans. (d)
29.
ATP
PC
NADP
PQ
Which of the following are the principal
photoreceptors in the chloroplast of green
plants?
a.
b.
c.
d.
Correct Ans. (C)
Chlorophyll b and c
Chlorophyll a and b
Chlorophyll and d
Chlorophyll d and c
Correct Ans. (b)
25.
As a first identifiable product of the dark
reaction is:
a.
b.
c.
d.
PGA
PGAL
Glucose
RuBP
30.
The sequence of electron acceptors in the
light reaction is
a.
b.
c.
d.
Correct Ans. (c)
26.
PQ---cyf f---cyt b----PC
PQ---PC---Cytb----Cyt f
PQ---PC---Cyt f----Cytb
PQ---Cyt b---Cyt f----PC
Light reaction of photosynthesis occurs in:
Correct Ans. (d)
a.
b.
c.
d.
Granum
Stroma
Mitochondria
Leucoplast
Correct Ans. (a)
27.
The break down of water molecule
(photolysis) in photosynthesis occurs during:
a.
b.
c.
d.
light reaction
dark reaction
Glycolysis
Krebs cycle
Correct Ans. (a)
31.
Which of the following is the source of
hydrogen in the glucose molecule formed
during photosynthesis?
a.
b.
c.
d.
Water
CO2
ATP
NADP
Correct Ans. (a)
32.
Which of the following are products of
light reaction?
a.
NADPH2 and Water
b.
c.
d.
NADPH2 and ATP
ADP and ATP
NADPH2 and Glucose
c.
d.
equal
none of these
Correct Ans. (b)
Correct Ans. (b)
33.
In the dark reaction, ATP and NADPH2
react with:
a.
b.
c.
d.
RuBP
PGA
PGAL
Glucose
38.
The wavelengths of visible light are longer
than the wavelengths of
a.
b.
c.
d.
infrared
ultraviolet
microwaves
radio waves
Correct Ans. (b)
Correct Ans. (c)
34.
Chlorophyll “a” occurs in all
Photosynthetic plants except:
a.
b.
c.
d.
Green algae
Blue green algae
Angiosperms
Pigment containing bacteria
39.
The wavelengths of visible light are
shorter than the wavelengths of
a.
b.
c.
d.
infrared
ultraviolet
x-rays
gamma rays
Correct Ans. (a)
Correct Ans. (d)
35.
When the fluid outside a cell has a greater
concentration of a given molecule than the
fluid inside the cell, the external fluid is
a.
b.
c.
d.
36.
isotonic
hypertonic
hypotonic
ultratonic
Correct Ans. (b)
The osmotic pressure of pure water is:
a.
b.
c.
d.
0
1
10
100
Correct Ans. (a)
37.
The water potential of all solutions as
compared to pure water is always:
a.
b.
higher
lower
40.
Which of the following colours of light
work best for photosynthesis?
a.
b.
c.
d.
Red
Yellow
Blue
Both a and c
Correct Ans. (d)
41.
Which of the following is the worlds most
common protein?
a.
b.
c.
d.
cellulose
ribulose biphosphate carboxylase
insulin
diastase
Correct Ans. (b)
42.
Photophosphorrylation in a chloroplast is
mot similar to which of the following
mitochondrial reaction?
b.
a.
b.
c.
d.
d.
c.
substrate-level phosphorylation
oxidative phosphorylation
oxidative decarboxylation
hydrolysis
Correct Ans. (a)
47.
Correct Ans. (b)
43.
A photosystem is an assemblage of
pigment molecules together ranging from
a.
b.
c.
d.
48.
With the increase of ions in the xylem its
water potential becomes
45.
a.
b.
c.
d.
Cyt. F
Cyt. B
ATP
NADP
Correct Ans. (d)
phosphoglyceric acid
glucose
carbon dioxide
plastoquinone
49.
Water potential of a liquid increases when
solute concentration
a.
b.
c.
d.
Increases
Decreases
Remains unchanged
None of these
Correct Ans. (b)
50.
Which of the following is not true of the
exudation of water?
a.
b.
Correct Ans. (b)
c.
46.
more positive
more negative
zero
neutral
Correct Ans. (b)
Which of the following is obtained from
phosphoglyceraldehyde in the dark
reaction of photosynthesis?
a.
b.
c.
d.
imbibition
Plasmolysis
Deplasmolysis
Diffusion
Correct Ans. (b)
44.
The final acceptor of electrons during the
light reaction of photosynthesis is:
a.
b.
c.
d.
Which of the following would occur when
a plant cell is packed in a fluid with high
osmotic concentration than the cell sap?
a.
b.
c.
d.
10 – 100
100 – 200
200 – 400
400 – 500
Correct Ans. (c)
osmotic pressure is equal to turgor
pressure
osmotic pressure is less than the
turgor pressure
both a and c
Which of the following conditions in a
plant cell would increase the uptake of
water?
d.
water drops come out through
stomata
water drops come out through
hydathodes
water is forced out of the leaves by
root pressu
water drops are not formed by dew
Correct Ans. (a)
a.
osmotic pressure is higher than the
turgor pressure
51.
until
Water in the xylem vessel will ascend up
a.
b.
c.
d.
its cohesive and adhesive strength
is more than the gravitational pull
gravitational pull is higher then the
cohesive and adhesive strength of
water
sufficient water is available in the
soil
it is used in the photosynthesis
a.
b.
c.
d.
2%
20%
30%
50%
Correct Ans. (a)
56.
Which of the following products of light
reaction of photosynthesis is not used in
the dark reaction?
Correct Ans. (a)
a.
b.
c.
d.
52.
Plants do not store carbohydrates as
glucose because it
a.
b.
c.
d.
dissolves in water, thereby altering
the osmotic bala
attracts insects herbivores
is an unstable molecule
would replace ribose in DNA
synthesis
Correct Ans. (a)
53.
Which of the following processes is
responsible for the entry of water into root
hair?
a.
b.
c.
d.
wall pressure
osmotic pressure
turgor pressure
atmospheric pressure
Correct Ans. (b)
ATP
NADPH2
Oxygen
None of these
Correct Ans. (c)
57.
The empirical formula of chlorophyll a is:
a.
b.
c.
d.
C55 H72 O5 N4 Mg
C55 H70 O5 N3 Mg
C56 H72 O66 N4 Mg
C55 H74 O5 N5 Mg
Correct Ans. (a)
58.
Which of the following is true of
chlorophyll?
a.
b.
c.
d.
absorbs all types of waves of
sunlight
containing iron atom in the center
containing magnesium atom in the
center
present in all cells of green plants
Correct Ans. (c)
54.
Which of the following forces are
responsible for the ascent of water in plant
body?
a.
b.
c.
d.
55.
atmospheric pressure
root pressure
transpiration pull
both b and c
Correct Ans. (d)
Of the total sunlight reaching the earth, the
percentage used in the photosynthesis is:
59.
The most effective light absorbed by the
chlorophyll is:
a.
b.
c.
d.
yellow
orange
green
none of these
Correct Ans. (d)
60.
Photosystem I has an absorption spectrum
of wavelengths of around
a.
b.
c.
d.
600 nm
650 nm
680 nm
700 nm
Correct Ans. (d)
61.
Which of the following is not necessary
for photosynthesis?
a.
b.
c.
d.
CO2
Chlorophyll
H2O
Oxygen
Correct Ans. (d)
62.
In photosystem II, the electrons lost by
reaction center are replaced by electrons
from
a.
b.
c.
d.
H2O
C2 O
Photosystem I
ATP
Correct Ans. (a)
CHAPTER 13
6.
Choose the most appropriate answer:
1.
In animals the product of anaerobic
respiration is:
a.
b.
c.
d.
Butyric acid
Alcohol
Glucose
Lactic acid
Correct Ans. (d)
2.
The process of Glycolysis takes place in:
a.
b.
c.
d.
Mitochondria
Cytoplasm
Stroma
Granum
Correct Ans. (b)
3.
In electron transport chain, one pair of
electrons passing from NADreduced to
oxygen produces
a.
b.
c.
d.
4 ATP
3 ATP
2 ATP
1 ATP
Correct Ans. (B)
4.
From which of the following plants gain
weight?
a.
b.
c.
d.
Respiration
Transpiration
Photosynthesis
Fermentation
Correct Ans. (c)
5.
In which of the following cells elongate
parallel to the long axis of the stem or
root?
a.
b.
c.
d.
Correct Ans. (b)
7.
Spiral thickenings of the walls of cells
occur in:
a.
b.
c.
d.
Parenchyma
Chlorenchyma
Xylem vessels
Cortex
Correct Ans. (c)
8.
The molecule which actually enters the
Krebs cycle is:
a.
b.
c.
d.
Pyruvic acid
Acetyl-CoA
Oxao acetic acid
Fumaric acid
Correct Ans. (b)
9.
In the Krebs cycle oxaloacetic acid reacts
with:
a.
b.
c.
d.
Pyruvic acid
Citric acid
Acetyl-CoA
Succinic acid
Correct Ans. (c)
10.
One ATP molecule is generated during the
Krebs cycle in the step:
Cambium is responsible for increase in:
a.
a.
b.
c.
d.
b.
Length
Photosynthesis
Diameter
Transpiration
Pith
Trachieds
Cortex
Parenchyma
c.
d.
citric acid ----------- Alpha
Ketoglutatic acid
Alpha Ketoglutatic acid ------Succinic acid
Succinic acid ---------------Fumaric acid
Fumaric acid----------- Malic acid
Correct Ans. (c)
Correct Ans. (b)
11.
It involves the liberation of Oxygen and
absorbtion of CO2
a.
b.
c.
d.
16.
Which of these increases the growth rate
of isolated cells in a test tube?
Aerobic respiration
Anaerobic respiration
Photosynthesis
Both A & B
a.
b.
c.
d.
Auxins
Cytokinins
Gibberellins
None of these
Correct Ans. (c)
Correct Ans. (b)
12.
At the end of the electron transport chain
during respiration, electrons are accepted
by:
a.
b.
c.
d.
17.
Chrysanthemum indicum is a:
a.
b.
c.
d.
NAD
FAD
Oxygen
Hydrogen
Short day plant
Long day plant
Day neutral plant
Both A & B
Correct Ans. (a)
Correct Ans. (c)
13.
During growth fibers elongate greatly:
a.
b.
c.
d.
18.
Thigmotropism is a growth movement in
response to:
At right angle to the long axis
Parallel to the long axis
Obliquely to the long axis
In all directions
a.
b.
c.
d.
Correct Ans. (b)
14.
Which of these is the naturally occurring
auxins?
a.
b.
c.
d.
sunlight
gravity
water
touch
Correct Ans. (d)
19.
Indole acetic acid
2, 4-D
Abscisic acid
Butyric acid
Which one of the following properties are
shared by photosynthesis and aerobic
respiration?
a.
b.
c.
d.
CO2 consumption
ATP synthesis
O2 release
Glucose synthesis
Correct Ans. (a)
Correct Ans. (b)
15.
The application of Auxin in small amount:
20.
a.
b.
c.
d.
Stimulate the growth of leaves
Retard the growth of leaves
Suppress the growth of leaves
Does not affect the growth of laves
The function of cellular respiration is to
a.
b.
c.
d.
make ATP
make NADPH
get rid of glucose
get rid of carbon dioxide
Correct Ans. (d)
Correct Ans. (a)
21.
Each chemical reaction in cellular
respiration requires
26.
a.
b.
c.
d.
a molecule of ATP
a molecule of FAD
a molecule of NAD
a specific enzyme
a.
b.
c.
d.
Correct Ans. (d)
22.
How many molecules of oxygen gas are
used during the Glycolysis of one glucose
molecule?
non
1
6
38
The term anaerobic means
Correct Ans. (a)
a.
b.
c.
d.
with glucose
with oxygen
without glucose
without oxygen
27.
Phosphoglyceraldehyde is oxidized during
Glycolysis. What happens to the hydrogen
atoms that are removed during this
oxidation?
Correct Ans. (d)
a.
b.
c.
23.
Which of the following processes makes
direct use of oxygen?
a.
b.
c.
d.
Glycolysis
Fermentation
Electron transport chain
Krebs cycle
Correct Ans. (c)
24.
How many ATP molecules are formed
during one turn of Kreb’s cycle?
a.
b.
c.
d.
zero
1
2
3
d.
They oxidize NAD
They reduce NAD
They are transferred to Pyruvic
acid
They are eliminated in the form of
methane
Correct Ans. (b)
28.
During the first step of Glycolysis, glucose
is converted to glucose phosphate. The
phosphate group comes from
a.
b.
c.
d.
inorganic phosphate
phospholipids of the membrane
ADP
ATP
Correct Ans. (d)
Correct Ans. (b)
25.
Glycolysis is a process found in
a.
b.
c.
d.
only eukaryotic cells
only prokaryotic cells
only most muscle cells
virtually all cells
Correct Ans. (d)
29.
Which of the following is not true of
Glycolysis?
a.
b.
c.
d.
substrate level phosphorylation
takes place
the end products are carbon dioxide
and water
ATP is formed
ATP is used
Correct Ans. (b)
30.
Which of the following is not formed
during alcohol fermentation?
a.
acetyl coenzyme A
b.
Pyruvic acid
c.
Ethanol
d.
Carbon dioxide
b.
c.
d.
Oxidation of Pyruvic acid
The Krebs cycle
Electron transport
Correct Ans. (d)
Correct Ans. (a)
31.
Which of the following is the end product
of anaerobic respiration in animals?
36.
a.
b.
c.
d.
ethyl alcohol
lactic acid
carbon dioxide
water
a.
b.
c.
d.
Correct Ans. (b)
32.
In the conversion of Pyruvic acid to acetyl
coenzyme A, Pyruvic acid is:
a.
b.
c.
d.
oxidized
reduced
broken into one carbon fragment
isomerized
At the end of the Krebs cycle, most of the
energy removed from the glucose
molecule has been transferred to:
a.
b.
c.
d.
NADH2 and FADH2
ATP
Oxaloacetic acid
Citric acid
Correct Ans. (a)
34.
In the electron transport system, the final
acceptor electrons is
a.
b.
c.
d.
cytochrome c
cytochrome a
oxygen
FAD
32 ATP
36 ATP
38 ATP
40 ATP
Correct Ans. (b)
37.
During electron transport, each molecule
of FADH2 produces a maximum of
a.
b.
c.
d.
Correct Ans. (a)
33.
How may ATP molecules are formed
inside mitochondria from the breakdown
of one glucose molecule?
2 ATP
3 ATP
6 ATP
8 ATP
Correct Ans. (A)
38.
Fatty acids enter cellular respiration as:
a.
b.
c.
d.
one carbon fragment
two carbon fragments
three carbon fragments
long chain carbon
Correct Ans. (b)
39.
In a eukaryotic cell, the Krebs cycle and
electron transport chain take place
a.
b.
c.
d.
on the rough endoplasmic
reticulum
in the cytoplasm
with in the nucleus
within the mitochondria
Correct Ans. (c)
Correct Ans. (d)
35.
In aerobic respiration, most of the ATP is
synthesized during
a.
Glycolysis
40.
The main advantage of aerobic respiration
over anaerobic respiration is that:
a.
b.
c.
d.
less carbon dioxide is released
more energy is released from each
glucose molecule
fats and proteins are not used
more carbon dioxide is released
Correct Ans. (b)
b.
c.
d.
Correct Ans. (b)
46.
Cytokinins stimulate cell
a.
b.
c.
d.
41.
A molecule of ADP differs form a
molecule of ATP in that it has
a.
b.
c.
d.
diamine instead of thymine
fever phosphate groups
more phosphate groups
more energy
47.
When its terminal bud is moved, plant
grows more
a.
b.
c.
d.
42.
Shoot apical meristem cells are distinct
from other stem cells because of their
small size
enlarged water vacuole
thick cell wall
triploid nuclei
tall
bushy
slowly
rapidly
Correct Ans. (b)
48.
Which of the following delays the normal
process of aging in leaves?
a.
b.
c.
d.
Correct Ans. (a)
43.
division
enlargemen
wall thickening
turgor
Correct Ans. (a)
Correct Ans. (b)
a.
b.
c.
d.
enlargement
differentiation
turgor
auxins
gibberellins
insulin
Cytokinins
New leaves are formed from the
Correct Ans. (d)
a.
b.
c.
d.
shoot apical meristem
vascular cambium
lateral buds
pericycle
Correct Ans. (a)
44.
Most of a plant’s auxin is produced in its
a.
b.
c.
d.
leaves
lateral buds
shoot apex
root apical meristem
49.
is
Ethylene is an unusual hormone in that it
a.
b.
c.
d.
a gas
solid
transported by the xylem
transported by the phloem
Correct Ans. (a)
50.
An important effect of ethylene is to cause
maturation of
Correct Ans. (c)
45.
The main effect of auxin is to stimulate
a.
division
a.
b.
c.
d.
leaf primordial
flower
fruit
stem
Correct Ans. (c)
51.
a.
b.
c.
d.
If a short day plant is grown under
conditions of long nights and short days
and the dark period is interrupted in the
middle by a brief exposure to red light, the
plant will
Correct Ans. (c)
56.
a.
b.
c.
d.
I-II
I-IV
I-III
III-IV
wilt
flower
fail to flower
die
The asexual production of seeds is called
a.
b.
c.
d.
fragmentation
fertilization
parthenocarpy
apomixes (parthenogenesis)
Correct Ans. (c)
Correct Ans. (d)
52.
If a long day plant is grown under
conditions of long nights and short days
and the dark period is interrupted in the
middle by a brief exposure to red light, the
plant will
a.
b.
c.
d.
53.
Which of these is not true of fermentation
(anaerobic respiration)?
d.
net gain of only 2 ATP
occurs in the cytoplasm
NADH donates electrons to the
electron transport system
Beings with glucose
Correct Ans. (c)
54.
The transfer of high energy phosphate
bonds to ADP by the substrate is called:
a.
b.
c.
d.
a.
b.
c.
d.
die
flower
fail to flower
wilt
Correct Ans. (b)
a.
b.
c.
57.
A hormone that controls closure of
stomata in response to water stress is
oxidative phosphorylation
substrate level phosphorylation
photophosphorylation
carboxylation
Correct Ans. (b)
gibberellins
Abscisic acid
Auxins
Cytokinins
Correct Ans. (b)
58.
Which of the following cellular organelles
extracts energy from carbohydrates and
forms ATP molecules?
a.
b.
c.
d.
Lysosome
Chloroplast
Mitochondrion
Chromoplast
Correct Ans. (c)
59.
The value of respiratory quotient of amino
acids is
a.
b.
c.
d.
0
1
more than 1
less than 1
Correct Ans. (c)
60.
The primary plant body is covered with a
layer of cells called
55.
Which of the above properties are shared
by fermentation, aerobic respiration and
photosynthesis?
a.
b.
cuticle
epidermis
c.
d.
periderm
ground tissue
Correct Ans. (b)
61.
the
Root hairs are formed from extension of
a.
b.
c.
d.
ground tissue
periderm
epidermis
cuticle
Correct Ans. (c)
62.
Secondary growth involves activity of the
a.
b.
c.
d.
root tips
shoot tip
apical meristem
lateral meristem
Correct Ans. (d)
63.
The function of root cap is to
a.
b.
c.
d.
produce embryonic cells
protect the root apical meristem
from damage
absorb water
absorb minerals
Correct Ans. (b)