POST UTME UI 2017 Biology | Objective

Are you preparing for POST UTME UI exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2017 Biology (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1
In the context of osmoregulation, what is the primary function of the kidneys in maintaining the balance of electrolytes and water in the body?
A. To regulate blood pressure
B. To remove waste products from the blood
Correct C. To maintain the balance of electrolytes and water in the body
D. To regulate body temperature

Correct Answer: C

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Question 2
A diagram of a plant cell is shown below. What is the function of the cell wall?
Correct A. To provide structural support to the cell
B. To regulate the movement of materials in and out of the cell
C. To maintain the cell's shape
D. To produce energy for the cell

Correct Answer: A

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Question 3
In the context of genetics, what is the term for the process by which an organism's genetic information is passed from one generation to the next?
A. Mutation
B. Genetic drift
C. Natural selection
Correct D. Heritability

Correct Answer: D

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Question 4
A diagram of the human nervous system is shown below. What is the function of the cerebellum?
A. To regulate body temperature
Correct B. To control movement and balance
C. To process sensory information
D. To produce hormones

Correct Answer: B

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Question 5
In the context of cell structure, what is the term for the process by which a cell divides into two daughter cells?
Correct A. Mitosis
B. Meiosis
C. Binary fission
D. Endosymbiosis

Correct Answer: A

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Question 6
In a eukaryotic cell, the process of cell division that results in the production of four daughter cells, each with the same number and kind of chromosomes as the parent cell, is known as
Correct A. Mitosis
B. Meiosis
C. Binary Fission
D. Endosymbiosis

Correct Answer: A

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Question 7
The process by which cells become specialized in structure and function to perform specific tasks is known as
Correct A. Differentiation
B. Mitosis
C. Meiosis
D. Apoptosis

Correct Answer: A

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Question 8
The tissue that connects, supports, and binds other tissues and organs together is known as
Correct A. Connective Tissue
B. Epithelial Tissue
C. Muscular Tissue
D. Nervous Tissue

Correct Answer: A

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Question 9
The process by which an organism's genetic information is passed from one generation to the next is known as
A. Heritability
Correct B. Inheri\tance
C. Evolution
D. Mutation

Correct Answer: B

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Question 10
The theory that all living organisms share a common ancestor is known as
A. Evolutionary Theory
Correct B. Common Descent Theory
C. Phy\logenetic Theory
D. Bio\logical Theory

Correct Answer: B

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Question 11
In a population of 1000 bacteria, 80% are susceptible to a particular antibiotic, 15% are resis\tant, and the remaining 5% are intermediate. If 200 bacteria are exposed to the antibiotic, how many will be killed?
A. 120
Correct B. 150
C. 180
D. 200

Correct Answer: B

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Question 12
A plant grows from a seed in a controlled environment. The initial height of the plant is 5 cm. After 2 days, the plant grows to 7 cm. After 4 days, the plant grows to 10 cm. What is the rate of growth of the plant?
A. 1 cm/day
B. 2 cm/day
Correct C. 3 cm/day
D. 4 cm/day

Correct Answer: C

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Question 13
A diagram of a cell is shown below. What is the function of the part labeled 'A'?
Correct A. Mitochondria
B. Nucleus
C. Endoplasmic reticulum
D. Lysosome

Correct Answer: A

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Question 14
A diagram of a circuit is shown below. What is the total resis\tance of the circuit?
A. 10 ohms
B. 20 ohms
Correct C. 30 ohms
D. 40 ohms

Correct Answer: C

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Question 15
A diagram of a plant is shown below. What is the function of the part labeled 'B'?
A. Root
B. Stem
Correct C. Leaf
D. Flower

Correct Answer: C

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Question 16
In a eukaryotic cell, the process of cell division that results in the production of four daughter cells, each with the same number and kind of chromosomes as the parent cell, is known as
Correct A. Mitosis
B. Meiosis
C. Binary Fission
D. Endosymbiosis

Correct Answer: A

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Question 17
The sense organ responsible for detecting changes in light intensity is the
Correct A. Eye
B. Ear
C. Nose
D. Tongue

Correct Answer: A

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Question 18
The process by which plants convert light energy into chemical energy is known as
Correct A. Photosynthesis
B. Respiration
C. Transpiration
D. Osmosis

Correct Answer: A

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Question 19
The genetic material that is responsible for the transmission of traits from one generation to the next is
Correct A. DNA
B. RNA
C. Protein
D. Carbohydrate

Correct Answer: A

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Question 20
The process by which an organism grows and develops from a \single cell is known as
A. Mitosis
B. Meiosis
Correct C. Binary Fission
D. Endosymbiosis

Correct Answer: C

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Question 21
In a population of Drosophila melanogaster, the frequency of the recessive allele 'a' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype 'AA'?
Correct A. 0.64
B. 0.36
C. 0.48
D. 0.16

Correct Answer: A

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Question 22
A 5% solution of glu\cose in water has a density of 1.05 g/mL. If 250 mL of this solution is diluted to 500 mL with water, what is the concentration of glu\cose in the final solution?
A. 2.5%
Correct B. 3.125%
C. 4%
D. 5%

Correct Answer: B

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Question 23
A plant with the genotype 'Rr' is crossed with a plant with the genotype 'RR'. What is the probability that the offspring will have the genotype 'rr'?
Correct A. 0.25
B. 0.5
C. 0.75
D. 1

Correct Answer: A

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Question 24
A 2.5 L solution of 0.1 M NaCl is diluted to 5 L. What is the concentration of NaCl in the final solution?
A. 0.05 M
Correct B. 0.025 M
C. 0.01 M
D. 0.005 M

Correct Answer: B

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Question 25
A plant with the genotype 'Tt' is crossed with a plant with the genotype 'tt'. What is the probability that the offspring will have the genotype 'TT'?
Correct A. 0.25
B. 0.5
C. 0.75
D. 1

Correct Answer: A

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