2024 JAMB BIOLOGY: 2024 JAMB UTME CBT Questions and Answers (5677)
2024 JAMB UTME CBT Questions and Answers Password/Pin/Code: 5677.
JAMB Biology Answers
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A. 2.
B
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D
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C
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D
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C
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A
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B
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C
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D
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A
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D
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B
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C
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C
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C
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C
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C
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A
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C
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C
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C
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C. 47.
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C
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B
50. A
Welcome to official 2024 Biology JAMB answer page. We provide 2024 Biology JAMB Questions and Answers on Essay, Theory, OBJ midnight before the exam, this is verified & correct JAMB Bio Expo. JAMB Biology Questions and Answers 2024. JAMB Bio Expo for Theory & Objective (OBJ) PDF: verified & correct expo Solved Solutions, 2024 JAMB UTME CBT Questions and Answers. 2024 JAMB EXAM Biology Questions and Answers
1.
The gall bladder of a mammal has a duct
connected to the A. duodenum B. liver C. pancreas D. small intestine
2.
The opening of the stoma is controlled by the
A. presence of guard cells B. decrease in solute
concentration in the guard cells C.
increase in solute concentration in the guard cells D. presence of a pore.
Use the diagram below
to answer questions 3 and 4
3.
Yam is used in this set-up because it
A. act as
a semi-permeable membrane B. act as a storage organ C. is permeable to the salt
solution D. is a plant material
4.
Which of the following results is to be expected
If the set-up is left for several hours? A. Movement of water from the salt
solution
B. Decrease in the size of the yam C.
Movement of the salt solution into the water D. Decrease in the volume of water
inside the yam.
5.
The eggs of birds contain relatively larger
quantities of yolk than those of amphibians and reptiles because A. embryonic
development is longer in birds
B. birds lay shelled eggs C. birds are
generally bigger in size D. those of birds are fertilized internally.
6.
In the internal structure of plants, a wide pith
in the centre is common to
A. dicot
root and monocot stems B. dicot stems and monocot stems C. dicot stem and
monocot roots D. dicot roots and monocot roots.
7.
If a nursing mother is not producing enough
milk, her hormonal system is probably deficient in A. testosterone B. thyroxin
C. insulin D. prolactin Use the diagram
below to answer questions 8 and 9
8.
labelled II is the
A. hinge
joint B. suture joint C. sliding joint
D. ball-and-socket joint
9.
The bones labelled II are called
A. thoracic
vertebrae B. lumbar vertebrae C. cervical vertebrae D. sacral vertebrae.
10.
The breakdown of fats and oils into simpler
absorbable compounds is catalyzed by the group of enzymes called A. peptidases
B. amylases C. lipases D. hydrolases
11.
The two key cations involved in the action
potential of nervous transmissions are
A. Mg2
and K+ B. Na+ and Fe2+ C. Fe2+ and
Mg2+ D. Na+ and K +
Use the diagram
below to answer questions 12 and 13
12.
The part labelled II is the
A. anther B. style C. filament D.
stigma
13.
The process of pollination involves the transfer
of pollens from
A. III
to IV B. IV to I C. II to III D. I to II
14.
The anaerobic fermentation of a glucose molecule
yields
A.
pyruvic acid and alcohol B. 38 ATP molecules
C. water and carbon (IV) oxide D. 2ATP
molecules and alcohol
Use the diagram below to answer
questions 15 and 16
15.
The function of the part labelled III is to
A.
produce oil for the skin B. carry blood and
nitrogenous waste C. contract to pull the hair erect
D. conduct nervous impulses
16.
The sweat gland is the structure labelled
A.
IV B.
III C. II D. I
17.
The type of reproduction that is common to both Hydra and yeast is
A. grafting
B. budding C. conjugation D. binary fission
18.
Epigeal germination of a seed is characterized
by
A.
lack of growth of the hypocotyls B. more rapid
elongation of the hypocotyls than the epicotyl
C. more rapid elongation of the epicotyl than the hypocotyl
D. equal growth rate of both the hypocotyl and epicotyl.
19.
All living cells require water because it A. is
a medium that neutralizes acids in cells
B.
is the main source of energy for the cells
C.
prevents the development of diseases in cell
D. is a
medium for all metabolic reactions.
20.
The surface of an alveolus in a mammals is well
supplied with tiny blood vessels known as
A. capillaries B. arteries
C. arterioles D. venules
21 Nervous
control differs from hormonal control in that the former
A. is a slower process B. involves only chemical transmission
C. has no specific pathway D. produces
short-term changes
22.
Identical twins inherit their genes from A. one
egg and two sperms B. two eggs and a sperm
C. the same egg and sperm D. different eggs and sperms
23.
Paternity disputes can most accurately be
resolved through the use of
A.
DNA analysis B. fingerprinting C. tongue-rolling
D. blood group typing
24.
Sex-linked genes are located on
A. X-and
Y-chromosomes B. homologous chromosomes C. X- chromosomes D. Y- chromosome.
25.
In a Mendelian cross of red and white varieties
of the four o’clock plant, the F1 generation expresses incomplete
dominance by having flowers which are A. multicoloured B. pink C. red D. white
26.
Insects are considered the most successful among
the invertebrates because they
A.
survive in various environmental conditions
B. possess
the ability to change their forms C. possess exoskeletons D. have wing for
flight
27.
The absence of special food and water-conducting
systems restricts the body size in A the bryophytes and the pteridophyes
B. the thallophytes and the
pteridophytes C. liverworts, mosses and ferns D. algae, liverworts and mosses.
28.
A peculiar characteristic of mammals is that
they
A.
have sebaceous glands B. have teeth C. are warm-
blooded D. have lungs.
29.
The rods in the retina of the eye are examples
of A. organs B. cells C. systems D. tissues
30.
The larval stage of a mosquito is called A.
caterpillar B. maggot C.wriggler D. grub
31.
The most common characteristic of the fungal
hyphae is the possession of
A.
cell-like partitions formed by cross-walls
B.
cell-like compartments with one nucleus each
C.
a multicellular mycelium in the substrate
D. cell
walls that are both rigid and chitinous
Use the diagram below to answer question 32
and 33.
32.
The part labelled II is responsible for A
respiration B. protein synthesis C. excretion
D. photosynthesis
33.
The endoplasmic reticulum is represented by the
part labelled
A. III B. VI C.
I D. II
34.
The function of the long-winged reproductives in
a termite colony is to
A.
protect the young B. participate in swarming
C. feed the young D. disperse the population
35. A plant-like feature in glena is the
A. large vacuole B. gullet C. pellicle D. pigment spot
36.
Which of the following is an example of
intraspecific competition?
A.
Yam and potato shoots growing out through the
same window B. A lizard and an ant-eater chasing an i nsect C. Aworker
termiteand a soldier in a limited space
D. A hawk and an eagle targeting the same chicken
37.
The spots and stripes of the leopard and tiger
are examples of
A. warning
colouration B. countershading C. cryptic colouration D. disruptive colouration
38.
Rodents gnaw on food with their
A. strong
jaws B. flat-ridged teeth C. chisel-like front teeth D. molar teeth.
39.
An evidence of the relationship between living
organisms and their extinct relatives can best be obtained from
A.
palaeontology B. embryology C. comparative
anatomy D. comparative physiology.
40.
Plants survive hot dry conditions by
A. producing
numerous leaves B. having numerous stomata C. having evergreen leave D. storing
water in large parenchyma cells.
41.
A caterpillar and an aphid living in different
parts of the same plant can be said to
A. be
in similar microhabitats B. occupy different ecological niches C. occupy the
same ecological niche D. be in different habitats
42.
The progressive loss of energy at each level in
a food chain leads to
A.
a decrease in biomass at each successive level
B. an
increase in the number of organisms at each successive level C. an increase in
the total weight of living matter at each successive level D. an increase in
biomass at each successive level
43.
The soil type that will be most difficult to
plough in a wet season is one that is
A. sandy B. loamy C.
silty D. clayey
Use the table below to answer questions 44 and 45
44.
Which of the zones is likely to be a desert?
A. III B. IV
C. I D. II
45.
High relative humidity will be expected in zones
A. II and III B. II and IV C. I and IV D. I and III
46.
One adaptation of reptiles to water loss is the
presence of A. long tails B. long sticky tongues C. keratinous scales
D. claws on limbs.
47.
The scarcity of food causes a sudden decrease in
population size by
A. minimizing
the rate of competition B. raising the mortality rate C. bringing about
immigration D. decreasing the reproductive rate
48.
The association between termites and the
cellulose- digesting protozoan in their guts is an example of
A. mutualism
B. saprophytism C. commensalism D. parasitism
49.
A state in Nigeria that is most susceptible to
desert encroachment is
A. Kaduna B. Kastina
C. Kwara D. Taraba
50.
A farm practice that results in the loss of soil
fertility is
A.
continuous cropping B. mixed farming
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