UTME 2025 Biology | Objective

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Question 1 View Details
A plant which grows on another plant without apparent harm to the host plant is called
A. a parasite
Correct B. an epiphyte
C. a saprophyte
D. a predator
E. a hermaphrodite

Correct Answer: B

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Question 2 View Details
In the above diagram the cell which controls the opening and closing of stomatal pore is
A. 1
B. 2
C. 3
Correct D. 4
E. 5

Correct Answer: D

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Question 3 View Details
Which of the following hormones is produced during fright or when agitated?
A. Insulin
Correct B. Adrenalin
C. Thyroxine
D. Pituitrin
E. Progesterone

Correct Answer: B

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Question 4 View Details
Spirogyra reproduces vegetatively by
A. spore production
Correct B. fragmentation
C. multiple fission
D. budding
E. binary fission

Correct Answer: B

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Question 5 View Details
What is the part marked X called?
A. Pulmonary artery
B. Pulmonary vein
C. Vena cava
Correct D. Main aorta
E. Hepatic artery

Correct Answer: D

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Question 6 View Details
A tapeworm has no alimentary canal because
A. it is autotrophic
B. it does not feed
C. it has no enzymes
Correct D. its body absorbs digested food
E. the suckers on the scolex suck blood

Correct Answer: D

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Question 7 View Details
Herbs differ from shrubs because they
A. do not produce fruits
B. are useful to herbalists
Correct C. do not become woody
D. are only annuals
E. are only perennials

Correct Answer: C

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Question 8 View Details
The figure above represents a quill feather. The structure labelled 'M' is the
Correct A. quill
B. rachis
C. superior umbilicus
D. inferior umbilicus
E. aftershaft

Correct Answer: A

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Question 9 View Details
A man with a normal hemoglobin (AA) marries a woman who has sickle-cell haemoglobin (SS). They have a child who has a sickle-cell trait. Which of the following genotypes could be associated with the child's haemoglobin?
A. AA
B. OO
C. AO
Correct D. AS
E. SS

Correct Answer: D

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Question 10 View Details
Partially digested food ready to leave the stomach is referred to as
Correct A. chyme
B. curd
C. glycogen
D. paste
E. roughage

Correct Answer: A

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Question 11 View Details
The three important organs that are situated close to the stomach are
A. kidney, liver and gall bladder
B. pancreas, liver and kidney
C. liver, kidney and spleen
Correct D. gall bladder, pancreas and spleen

Correct Answer: D

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Question 12 View Details
Gestation in mammals is the period
A. required for growth after birth
B. between the formation of the foetus and birth
Correct C. of development from zygote to birth
D. before the formation of the zygote

Correct Answer: C

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Question 13 View Details
If a plant, homozygous for round and yellow (RR;YY), is crossed with a wrinkled green type (rryy), all of the resulting seeds will be
A. blue and wrinkled
Correct B. round and yellow
C. wrinkled and yellow
D. round and greenish-yellow

Correct Answer: B

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Question 14 View Details
The main waste products formed in plants are
A. alkaloids, tannins and resins
B. water, alkaloids and carbon dioxide
C. oxygen, carbon dioxide and alkaloids
Correct D. water, carbon dioxide and oxygen

Correct Answer: D

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Question 15 View Details
In a dicotyledonous stem, each companion cell is found beside the
A. endodermal cell
B. xylem vessel
Correct C. sieve tube
D. pericyclic fibre

Correct Answer: C

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Question 16 View Details
The type of placentation shown in the figure above is
A. parietal
Correct B. marginal
C. axile
D. free-central

Correct Answer: B

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Question 17 View Details
What would be the result of the first filial generation (F₁) and the second filial generation (F₂) of a monohybrid cross between pure line normal-winged Drosophila flies and pure line short-winged flies, if the gene for the normal wing is dominant?
A. F₁ flies all short-winged and F₂ flies all normal-winged.
B. F₁ flies all normal-winged and F₂ flies all short-winged
C. F₁ flies all short-winged and three-quarters of F₂ flies are short-winged
Correct D. F₁ flies all normal-winged and three-quarters of F₂ flies are normal-winged.

Correct Answer: D

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Question 18 View Details
Which of the following are non-green plants?
A. Euglena
Correct B. Fungi
C. Spirogyra
D. Angiosperms

Correct Answer: B

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Question 19 View Details
The structure labelled 5 is
A. sweat gland
B. sebaceous gland
Correct C. blood vessel
D. nerve fibre

Correct Answer: C

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Question 20 View Details
In the illustration above, the genotypes of the offsprings are
A. 1 heterozygous smooth : 2 homozygous smooth : 1 wrinkled
Correct B. 1 homozygous smooth : 2 heterozygous smooth : 1 wrinkled
C. 2 homozygous smooth : 2 wrinkled
D. 3 heterozygous smooth : 1 wrinkled

Correct Answer: B

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Question 21 View Details
Green plants are distinguished from other living organisms by their ability to
A. make use of water
B. make use of oxygen
C. respond to sunlight
Correct D. manufacture their own food.

Correct Answer: D

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Question 22 View Details
During the bending of the arm, the biceps muscle
Correct A. contracts and the triceps muscle relaxes
B. relaxes and the triceps muscle contracts
C. and the triceps muscle contract
D. and the triceps muscle relax.

Correct Answer: A

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Question 23 View Details
The type of vegetative reproduction illustrated in the diagram is
A. grafting
Correct B. adventitious bud
C. sucker
D. aerial layering.

Correct Answer: B

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Question 24 View Details
The sequence of the biomes in Nigeria from Port Harcourt to Damaturu is
Correct A. estuarine → rain forest → Guinea savannah → Sahel savannah
B. rain forest → Guinea savannah → estuarine → desert
C. estuarine → Guinea savannah → rain forest → Sahel savannah
D. rain forest → estuarine → Guinea savannah → desert

Correct Answer: A

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Question 25 View Details
The biological factor that is unique to each individual is the
Correct A. DNA
B. eye colour
C. blood group
D. RNA.

Correct Answer: A

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