UTME 2024 Biology | Objective

Are you preparing for UTME exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2024 Biology (Objective) questions designed to simulate the real exam environment.

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Question 1
In which one of the following groups of organisms do all the members have asexual methods of reproduction?
A. A green filamentous alga, a flowering plant and a bird
B. A toad (or frog), Amoeba and Mucor (or Penicillium)
C. A flowering plant, tapeworm (or Ascaris) and a green filamentous alga
Correct D. Amoeba, Mucor (or Penicillium) and a green filamentous alga.

Correct Answer: D

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Question 2
Magnesium is utilized in the formation of
A. ATP
B. glucose
C. amino acids
Correct D. chlorophyll.

Correct Answer: D

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Question 3
If the bark and phloem tissues of a woody shoot are peeled off by ringing, the whole plant will eventually die because
A. water does not reach the leaves
B. water and salts remain below the ringed portion
C. there is a withdrawal of water from the root by soil
Correct D. manufactured food does not reach the roots

Correct Answer: D

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Question 4
Which of the following is NOT a function of the liver?
A. Regulation of blood sugar
B. Storage of iron
C. Formation of bile
Correct D. Excretion of urea from the blood.

Correct Answer: D

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Question 5
In the enzymic reactions \( \text{Starch} \xrightarrow[\text{amylase}]{} \text{sugar} \) starch is referred to as the
Correct A. substrate
B. product
C. enzyme
D. enzyme-substrate complex.

Correct Answer: A

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Question 6
In a positive phototropic response of a coleoptile, the region of greatest curvature is brought about by the
A. movement of auxins away from the region of curvature
B. even distribution of auxins in all parts of the coleoptile
C. inhibition of growth by auxins in the region of smaller curvature
Correct D. concentration of auxins in the region of curvature.

Correct Answer: D

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Question 7
Which of the following is INCORRECT? The prothallus of a fern
A. is a flattened heartshaped structure
B. is green because its cells contain chloroplasts
Correct C. is the dominant plant
D. bears the sexual organs.

Correct Answer: C

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Question 8
The maize grain is a fruit and not a seed because it
A. has a large endosperm
Correct B. is formed from an ovary
C. is a monocotyledon
D. has no plumule and radicle.

Correct Answer: B

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Question 9
If a person is bitten by a snake on the leg, it is advisable for him to
A. keep moving so that the venom will ooze out with bleeding
B. Wash the wound with water containing antiseptic
C. bandage the wound so that germs do not get in through it
Correct D. keep still and apply a tourniquet above the wound.

Correct Answer: D

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Question 10
In which of the following crosses will all the female offspring be colour blind?
Correct A. Colour blind mother x colour blind father
B. Colour blind mother x normal father
C. Carrier mother x colour blind father
D. Carrier mother x normal father.

Correct Answer: A

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Question 11
Which of these groups of animals is likely to be found in fresh water?
A. Blood worm, pond skater and scorpion
Correct B. Blood worm, pond skater and dragonfly larva
C. Pond skater, scorpion and dragonfly larva
D. Pond skater, blood worm and ant-lion.

Correct Answer: B

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Question 12
There will be agglutination when the
A. Group A, serum mixes with Group A, erythrocytes
Correct B. Group A, serum mixes with Group B, erythrocytes
C. Group AB, serum mixes with Group O, erythrocytes
D. Group B, serum mixes with Group B, erythrocytes.

Correct Answer: B

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Question 13
Which of the following constitutes pollution?
A. Droppings from birds
Correct B. Loud disco music
C. A pack of cigarettes
D. Refuse in an incinerator

Correct Answer: B

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Question 14
A food web is more stable than a food chain because
A. it contains more organisms
B. it has greater energy source
C. it is not easy to destroy
Correct D. every organism has an alternative source.

Correct Answer: D

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Question 15
Fossil records found in sedimentary rocks offer some explanation for the theory of evolution because
Correct A. the deposits have remains of organisms characteristic of when they were formed
B. different strata have remains of organisms of the same kind
C. only organisms with strong parts are fossilized
D. most animal and plant fossils bear little resemblance to present day living specimens.

Correct Answer: A

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Question 16
Which of the following is the correct order of the vertebrae along the spinal column?
A. Axis → atlas → thoracic → lumbar → cervical → sacral
B. Atlas → cervical → axis → thoracic → lumbar → sacral
Correct C. Atlas → axis → cervical → thoracic → lumbar → sacral
D. Axis → atlas → cervical → thoracic → sacral → lumbar.

Correct Answer: C

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Question 17
The soil swallowed by the earthworm to form the worm cast is ground up in the
A. clitellum
B. prostomium
C. mouth
Correct D. gizzard.

Correct Answer: D

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Question 18
\( 2 \mathrm{H}_{2} \mathrm{O} \rightarrow 2 \mathrm{H}_{2}+\mathrm{O}_{2(\mathrm{~g})} \). The equation above represents a part of the light stage of photosynthesis. Which of the following must be present for this reaction to occur?
A. Enzyme and light energy
B. Carbondioxide and light energy
Correct C. Light energy and chlorophyll
D. Chlorophyll and enzyme.

Correct Answer: C

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Question 19
After a heavy rainfall and the formation of a large pond, the most likely sequence of changes in the vegetation of the pond is
A. Euglena ← water lily ← Spirogyra ← grass
B. water lily ← Spirogyra ← grass ⟵ Euglena
C. Spirogyra ← Euglena ← grass ← water lily
Correct D. Euglena ← Spirogyra ← water lily ⟵ grass.

Correct Answer: D

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Question 20
In which of the following groups of animals is the malpighian tubule found?
A. Lizards, snakes and frogs
Correct B. Crickets, houseflies and grasshoppers
C. Millipedes, centipedes and scorpions
D. earthworms, roundworms and flatworms.

Correct Answer: B

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Question 21
The modes of nutrition in Nitrobacter, Ascaris and Homosapiens respectively are
A. photosynthetic, parasitic and holozoic
Correct B. chemosynthetic, parasitic and holozoic
C. photosynthetic, parasitic and heterophytic
D. chemosynthetic, holophytic and holozoic

Correct Answer: B

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Question 22
The legs and beak of an egret resemble those of the heron because they
A. both feed on fishes
B. are both birds
Correct C. occupy similar niche
D. occupy the same trophic level

Correct Answer: C

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Question 23
For heterotrophic organisms, competition is least caused by the inadequacy of
A. mates
B. space
Correct C. light
D. nutrients

Correct Answer: C

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Question 24
A person that is obese must avoid meals containing
A. carrots and oranges
Correct B. margarine and butter
C. beef and beans
D. rice and yam

Correct Answer: B

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Question 25
Organisms I, II, III and IV have surface/volume ratios of \( 1: 2,1: 3 \), \( 1: 4 \) and \( 1: 5 \) respectively. The organism that is likely to have the most complex transport system is
Correct A. IV
B. III
C. I
D. II

Correct Answer: A

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