POST UTME EKSU 2017 Biology | Objective

Are you preparing for POST UTME EKSU 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 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'?
A. 0.36
Correct B. 0.64
C. 0.72
D. 0.88

Correct Answer: B

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Question 2
A 2.5 kg block is attached to a horizontal, massless spring with a force cons\tant of 100 N/m. The block is displaced by 0.15 m from its equilibrium position and released from rest. What is the maximum speed of the block?
A. 0.5 m/s
Correct B. 1.0 m/s
C. 1.5 m/s
D. 2.0 m/s

Correct Answer: B

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Question 3
A plant cell has a cell wall, a large central vacuole, and a small amount of cytoplasm. Which of the following is NOT a characteristic of this cell?
A. Cell wall
B. Large central vacuole
C. Small amount of cytoplasm
Correct D. Mitochondria

Correct Answer: D

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Question 4
A 0.5 M solution of NaOH is mixed with a 0.5 M solution of HCl. What is the pH of the resulting solution?
A. 0
Correct B. 1
C. 7
D. 14

Correct Answer: B

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Question 5
A 10 kg block is placed on a frictionless surface and a horizontal force of 20 N is applied to it. What is the acceleration of the block?
A. 0.2 m/s^2
B. 0.5 m/s^2
C. 1.0 m/s^2
Correct D. 2.0 m/s^2

Correct Answer: D

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Question 6
In the context of hormonal coordination, what is the primary function of the hypothalamus?
A. Regulation of body temperature
B. Control of hunger and thirst
Correct C. Stimulation of reproductive hormones
D. Regulation of blood pressure

Correct Answer: C

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Question 7
A diagram of the human eye is shown below. Which part of the eye is responsible for detecting light?
A. Cornea
B. Iris
Correct C. Retina
D. Lens

Correct Answer: C

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Question 8
In the process of osmoregulation, what is the primary mechanism by which the kidneys regulate the concentration of ions in the blood?
Correct A. Reabsorption of ions in the proximal convoluted tubule
B. Secretion of ions in the distal convoluted tubule
C. Excretion of ions in the collecting duct
D. Regulation of ion balance through the hypothalamus

Correct Answer: A

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Question 9
A diagram of the human respiratory system is shown below. Which part of the system is responsible for exchanging oxygen and carbon dioxide?
A. Trachea
B. Bronchi
Correct C. Alveoli
D. Diaphragm

Correct Answer: C

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Question 10
In the context of microorganisms and diseases, what is the primary mechanism by which bacteria cause disease?
Correct A. Production of toxins
B. Invasion of host cells
C. Disruption of host cell membranes
D. Stimulation of host immune response

Correct Answer: A

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Question 11
A diagram of the human reproductive system is shown below. Which part of the system is responsible for producing sperm?
Correct A. Testes
B. Epididymis
C. Vas deferens
D. Prostate gland

Correct Answer: A

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Question 12
In the context of asexual reproduction, what is the primary mechanism by which some organisms produce offspring?
Correct A. Binary fission
B. Budding
C. Fragmentation
D. Parthenogenesis

Correct Answer: A

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Question 13
A diagram of the human nervous system is shown below. Which part of the system is responsible for transmitting signals from the brain to the muscles?
Correct A. Spinal cord
B. Nerve fibers
C. Muscles
D. Brain

Correct Answer: A

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Question 14
In the context of hormonal coordination, what is the primary function of the pituitary gland?
A. Regulation of growth and development
B. Control of hunger and thirst
C. Stimulation of reproductive hormones
D. Regulation of blood pressure

Correct Answer: VIEW ANSWER

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Question 15
In asexual reproduction, which of the following organisms is an example of a type that reproduces by budding?
A. Bacteria
Correct B. Fungi
C. Plants
D. Animals

Correct Answer: B

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Question 16
The xylem in plants is responsible for transporting which of the following subs\tances?
Correct A. Water and minerals
B. Nutrients and sugars
C. Hormones and waste products
D. Oxygen and carbon dioxide

Correct Answer: A

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Question 17
The process of mitosis in eukaryotic cells results in which of the following?
Correct A. Two daughter cells with the same number of chromosomes
B. One daughter cell with the same number of chromosomes
C. Two daughter cells with a different number of chromosomes
D. No change in the number of chromosomes

Correct Answer: A

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Question 18
The sense organ responsible for detecting changes in light intensity is the?
Correct A. Eye
B. Ear
C. Nose
D. Mouth

Correct Answer: A

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Question 19
The process of photosynthesis in plants involves the conversion of which of the following subs\tances into glu\cose?
Correct A. Carbon dioxide and water
B. Oxygen and water
C. Nitrogen and water
D. Sulfur and water

Correct Answer: A

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Question 20
The sense organ responsible for detecting changes in sound waves is the?
A. Eye
Correct B. Ear
C. Nose
D. Mouth

Correct Answer: B

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Question 21
The process of mitosis in eukaryotic cells results in which of the following?
Correct A. Two daughter cells with the same number of chromosomes
B. One daughter cell with the same number of chromosomes
C. Two daughter cells with a different number of chromosomes
D. No change in the number of chromosomes

Correct Answer: A

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Question 22
The sense organ responsible for detecting changes in smell is the?
A. Eye
B. Ear
Correct C. Nose
D. Mouth

Correct Answer: C

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Question 23
The process of photosynthesis in plants involves the conversion of which of the following subs\tances into glu\cose?
Correct A. Carbon dioxide and water
B. Oxygen and water
C. Nitrogen and water
D. Sulfur and water

Correct Answer: A

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Question 24
The sense organ responsible for detecting changes in taste is the?
A. Eye
B. Ear
C. Nose
Correct D. Mouth

Correct Answer: D

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Question 25
The process of mitosis in eukaryotic cells results in which of the following?
A. Two daughter cells with the same number of chromosomes
B. One daughter cell with the same number of chromosomes
C. Two daughter cells with a different number of chromosomes
D. No change in the number of chromosomes

Correct Answer: VIEW ANSWER

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