POST UTME CALEB UNIVERSITY 2018 Biology | Objective

Are you preparing for POST UTME CALEB UNIVERSITY exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2018 Biology (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1

In a closed system, the rate of oxygen consumption by a population of cells is directly proportional to the concentration of oxygen in the medium. If the initial concentration of oxygen is 10 mmol/L and the rate of consumption is 0.5 mmol/L/min, what is the concentration of oxygen after 10 minutes?

A. 8 mmol/L

Correct B. 6 mmol/L

C. 4 mmol/L

D. 2 mmol/L

Correct Answer: B

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Question 2

A 2-year-old child is diagnosed with a severe case of pneumonia caused by Streptococcus pneumoniae. The child's white blood cell count is 15,000 cells/μL, and the child is experiencing difficulty breathing. Which of the following is the most likely cause of the child's symptoms?

Correct A. Bacterial sepsis

B. Viral pneumonia

C. Fungal infection

D. Parasitic infection

Correct Answer: A

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Question 3

A diagram of the human eye is shown below. What is the function of the part labeled 'A'?

Correct A. To focus light on the retina

B. To detect movement

C. To regulate pupil size

D. To produce tears

Correct Answer: A

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Question 4

A diagram of the human circulatory system is shown below. What is the function of the part labeled 'B'?

A. To pump blood to the lungs

Correct B. To carry oxygenated blood to the body

C. To regulate blood pressure

D. To produce blood cells

Correct Answer: B

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Question 5

A diagram of the human respiratory system is shown below. What is the function of the part labeled 'C'?

A. To exchange oxygen and carbon dioxide

B. To regulate air pressure

Correct C. To warm and humidify air

D. To produce mucus

Correct Answer: C

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