POST UTME RHEMA UNIVERSITY 2022 Biology | Objective

Are you preparing for POST UTME RHEMA UNIVERSITY exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2022 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 xylem transport, what is the primary mechanism by which water and minerals are transported from the roots to the leaves of a plant?
Correct A. Transpiration pull
B. Root pressure
C. Capillary action
D. Osmosis

Correct Answer: A

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Question 2
A 25-year-old male patient presents with symptoms of fatigue, weakness, and shortness of breath. His hemoglobin level is 7.5 g/dL. What is the primary cause of his anemia?
Correct A. Iron deficiency anemia
B. Vitamin B12 deficiency anemia
C. Folate deficiency anemia
D. Sickle cell anemia

Correct Answer: A

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Question 3
A diagram of a plant's root system is shown below. What is the primary function of the root hairs?
Correct A. To absorb water and minerals from the soil
B. To anchor the plant in the soil
C. To produce hormones that regulate plant growth
D. To store food for the plant

Correct Answer: A

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Question 4
A 35-year-old female patient presents with symptoms of weight loss, fatigue, and weakness. Her thyroid-stimulating hormone (TSH) level is 20 μU/mL. What is the primary cause of her hyperthyroidism?
Correct A. Graves' disease
B. Toxic multinodular goiter
C. Subacute thyroiditis
D. Thyroid cancer

Correct Answer: A

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Question 5
A diagram of a human brain is shown below. What is the primary function of the cerebellum?
A. To regulate body temperature
Correct B. To control movement and balance
C. To process sensory information
D. To store memories

Correct Answer: B

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Question 6
In the context of cellular respiration, what is the primary function of the mitochondria?
A. To synthesize proteins
B. To store genetic information
Correct C. To generate energy for the cell
D. To regulate cell growth

Correct Answer: C

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Question 7
A plant cell is placed in a solution with a high concentration of sucrose. What is the expected outcome?
Correct A. The cell will swell and eventually burst
B. The cell will shrink due to water loss
C. The cell will remain unchanged
D. The cell will undergo mitosis

Correct Answer: A

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Question 8
A diagram of a 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 changes in light intensity
C. To regulate the amount of light entering the eye
D. To produce tears

Correct Answer: A

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Question 9
A diagram of a plant cell is shown below. What is the function of the part labeled B?
A. To synthesize proteins
B. To store genetic information
Correct C. To provide structural support
D. To regulate cell growth

Correct Answer: C

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Question 10
A diagram of a human brain is shown below. What is the function of the part labeled C?
A. To regulate body temperature
B. To control voluntary movements
Correct C. To process sensory information
D. To produce hormones

Correct Answer: C

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Question 11
The process of photosynthesis in plants involves the conversion of light energy into chemical energy in the form of glu\cose. Which of the following is a byproduct of this process?
Correct A. Oxygen
B. Carbon dioxide
C. Water
D. Nitrogen

Correct Answer: A

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Question 12
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. 1600
B. 1800
Correct C. 2000
D. 2200

Correct Answer: C

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Question 13
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 light intensity
C. To regulate pupil size
D. To produce tears

Correct Answer: A

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Question 14
The Hardy-Weinberg principle states that a population will remain in genetic equilibrium if the following conditions are met. Which of the following is NOT a necessary condition?
A. Random mating
B. No mutation
C. No gene flow
Correct D. Cons\tant population size

Correct Answer: D

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Question 15
A diagram of the human digestive system is shown below. What is the function of the part labeled 'B'?
Correct A. To break down proteins
B. To absorb nutrients
C. To store waste
D. To produce enzymes

Correct Answer: A

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Question 16
In a tropical rainforest, the presence of a diverse array of plant species is primarily due to the high levels of which of the following?
A. Light intensity
B. Temperature
C. Water availability
Correct D. Soil fertility

Correct Answer: D

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Question 17
The process by which an organism's genetic information is passed from one generation to the next is known as?
A. Mutation
B. Genetic drift
C. Gene flow
Correct D. Heritability

Correct Answer: D

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Question 18
The classification of living organisms into kingdoms is based on?
A. Cell structure
B. Metabolism
Correct C. Cellular organization
D. Genetic material

Correct Answer: C

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Question 19
The xylem tissue in plants is responsible for?
Correct A. Transporting water and minerals from the roots to the leaves
B. Transporting sugars and other organic compounds from the leaves to the rest of the plant
C. Providing structural support to the plant
D. Regulating the plant's water balance

Correct Answer: A

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Question 20
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 21
In a desert e\cosystem, the kidneys of a camel play a crucial role in osmoregulation. Which of the following best describes the primary mechanism by which the camel's kidneys help to conserve water?
A. The camel's kidneys produce a highly concentrated urine that is excreted in small volumes.
Correct B. The camel's kidneys reabsorb water from the filtrate back into the bloodstream.
C. The camel's kidneys produce a highly dilute urine that is excreted in large volumes.
D. The camel's kidneys do not play a role in osmoregulation.

Correct Answer: B

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Question 22
The process of natural selection can lead to the evolution of new species over time. Which of the following is an example of a mechanism that can drive the evolution of a new species?
A. Gene flow
B. Genetic drift
Correct C. Mutation
D. Artificial selection

Correct Answer: C

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Question 23
The xylem and phloem are two types of vascular tissues found in plants. Which of the following best describes the primary function of the xylem?
A. Transporting sugars and other organic compounds produced by photosynthesis
Correct B. Transporting water and minerals from the roots to the leaves
C. Storing water and nutrients in the plant
D. Regulating the plant's temperature

Correct Answer: B

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Question 24
The process of respiration in cells involves the breakdown of glu\cose to produce energy. Which of the following is an example of a byproduct of cellular respiration?
Correct A. Carbon dioxide
B. Water
C. Glu\cose
D. Oxygen

Correct Answer: A

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Question 25
The process of genetic variation can occur through several mechanisms. Which of the following is an example of a mechanism that can introduce genetic variation into a population?
Correct A. Mutation
B. Gene flow
C. Genetic drift
D. Artificial selection

Correct Answer: A

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