POST UTME UNILAG 2017 Biology | Objective

Are you preparing for POST UTME UNILAG 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 eco\logical succession, what is the primary mechanism driving the transition from a pioneer community to a climax community?
A. Niche partitioning
B. Predation and competition
C. Mutualism and symbiosis
Correct D. Environmental disturbance

Correct Answer: D

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Question 2
A plant with the genotype RrYy is crossed with a plant having the genotype RrYy. What is the probability that the offspring will have the genotype RrYy?
A. 1/4
Correct B. 1/2
C. 3/4
D. 1

Correct Answer: B

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Question 3
A diagram of a neuron is shown below. Identify the part labeled A.
A. D\endrite
B. Axon
Correct C. Cell body
D. Myelin sheath

Correct Answer: C

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Question 4
A population of bacteria is growing exponentially. If the initial population is 100 and the growth rate is 20% per hour, what will be the population after 3 hours?
A. 1000
B. 2000
C. 4000
Correct D. 8000

Correct Answer: D

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Question 5
A diagram of a titration setup is shown below. What is the purpose of the burette?
A. To measure the volume of the acid
Correct B. To measure the volume of the base
C. To mix the acid and base
D. To measure the pH of the solution

Correct Answer: B

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Question 6
The diagram below shows the structure of a mitochondrion. Which part is responsible for the synthesis of ATP?
Correct A. The matrix
B. The cristae
C. The outer membrane
D. The intermembrane space

Correct Answer: A

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Question 7
A patient has been diagnosed with a bacterial infection. Which of the following antibiotics would be most effective against this type of infection?
A. Penicillin
B. Erythromycin
C. Ciprofloxacin
Correct D. Vancomycin

Correct Answer: D

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Question 8
The diagram below shows the structure of a plant cell. Which part is responsible for photosynthesis?
A. The cell wall
B. The vacuole
Correct C. The chloroplast
D. The cytoplasm

Correct Answer: C

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Question 9
A patient has been diagnosed with a viral infection. Which of the following antiviral medications would be most effective against this type of infection?
A. Ribavirin
B. Oseltamivir
Correct C. Acyclovir
D. Amantadine

Correct Answer: C

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Question 10
The diagram below shows the structure of a neuron. Which part is responsible for transmitting signals to other neurons?
A. The d\endrite
Correct B. The axon
C. The cell body
D. The synapse

Correct Answer: B

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Question 11
In a eukaryotic cell, the process of mitosis is initiated by the breakdown of the nuclear envelope, which is triggered by the activation of the
Correct A. Spindle fibers
B. Centrioles
C. Telophase
D. Prophase

Correct Answer: A

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Question 12
The process of photosynthesis in plants involves the conversion of light energy into chemical energy, which is stored in the form of
A. ATP
B. NADPH
Correct C. Glu\cose
D. Oxygen

Correct Answer: C

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Question 13
The hormone insulin is produced by the
A. Pituitary gland
Correct B. Pancreas
C. Adrenal gland
D. Thyroid gland

Correct Answer: B

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Question 14
The process of diffusion occurs when particles move from an area of high concentration to an area of low concentration, resulting in
A. Osmosis
B. Active transport
Correct C. Passive transport
D. Endosmosis

Correct Answer: C

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Question 15
The process of mitosis is divided into four stages: prophase, metaphase, anaphase, and
Correct A. Telophase
B. Cytokinesis
C. Interphase
D. Meiosis

Correct Answer: A

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Question 16
The diagram below represents the structure of the human eye. 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 17
The process of excretion in humans involves the removal of waste products from the body through the kidneys. What is the primary function of the kidneys in this process?
Correct A. To filter the blood
B. To regulate blood pressure
C. To produce hormones
D. To absorb nutrients

Correct Answer: A

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Question 18
The diagram below represents the structure of the human heart. Which part of the heart pumps blood to the lungs?
A. Left Ventricle
Correct B. Right Ventricle
C. Tricuspid Valve
D. Mitral Valve

Correct Answer: B

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Question 19
The process of osmoregulation in humans involves the regulation of the concentration of solutes in the body fluids. What is the primary mechanism by which the kidneys regulate the concentration of solutes in the urine?
A. By adjusting the amount of water reabsorbed
Correct B. By adjusting the amount of solutes reabsorbed
C. By adjusting the amount of ions reabsorbed
D. By adjusting the amount of glu\cose reabsorbed

Correct Answer: B

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Question 20
The diagram below represents the structure of the human blood vessel. Which part of the blood vessel is responsible for regulating blood pressure?
Correct A. Artery
B. Vein
C. Capillary
D. Venules

Correct Answer: A

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Question 21
The process of classification of living things involves the grouping of organisms based on their characteristics. What is the primary criterion used in the classification of living things?
Correct A. Morpho\logy
B. Physio\logy
C. Biochemistry
D. Genetics

Correct Answer: A

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Question 22
The diagram below represents the structure of the human cell. Which part of the cell is responsible for protein synthesis?
A. Nucleus
B. Mitochondria
Correct C. Ribosomes
D. Lysosomes

Correct Answer: C

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Question 23
The process of evolution involves the change in the characteristics of a population over time. What is the primary mechanism by which evolution occurs?
A. Natural Selection
B. Genetic Drift
C. Mutation
D. Gene Flow

Correct Answer: VIEW ANSWER

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Question 24
In a eukaryotic cell, the Golgi apparatus is responsible for which of the following functions?
A. Protein synthesis
B. Lipid synthesis
Correct C. Protein modification and transport
D. Cell signaling

Correct Answer: C

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Question 25
Which of the following types of tissue is primarily responsible for the production of connective tissue?
A. Epithelial tissue
Correct B. Connective tissue
C. Muscle tissue
D. Nervous tissue

Correct Answer: B

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