POST UTME CALEB UNIVERSITY 2022 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A person is suffering from a severe case of diarrhea. Which of the following is a possible cause of this condition?
A. Infection with a virus that causes gastroenteritis.
B. Infection with a bacterium that causes gastroenteritis.
C. Infection with a parasite that causes gastroenteritis.
D. Infection with a fungus that causes gastroenteritis.
Question 2
The diagram below shows the structure of a neuron. What is the function of the d\endrites?
A. Receive signals from other neurons
B. Transmit signals to other neurons
C. Generate electrical impulses
D. Store information
Question 3
A diagram of the human eye is shown below. Which of the following statements is true about the structure of the eye?
A. The cornea is the transparent outer layer of the eye.
B. The iris is the colored part of the eye that controls the amount of light that enters the eye.
C. The retina is the innermost layer of the eye that contains the photoreceptors.
D. The lens is the flexible structure that changes shape to focus light on the retina.
Question 4
In 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. Gene expression
C. Heritability
D. Inheri\tance
Question 5
The diagram below shows the structure of the human eye. Which part of the eye is responsible for detecting light?
A. Cornea
B. Iris
C. Retina
D. Lens
Question 6
The process of heredity involves the pas\sing of traits from parents to offspring. Which of the following is an example of a dominant trait?
A. Eye color
B. Hair color
C. Height
D. Blood type
Question 7
The diagram below shows the structure of a mitochondrion. What is the function of the cristae?
A. Increases the surface area for cellular respiration
B. Regulates the movement of materials in and out of the mitochondrion
C. Stores energy for the cell
D. Produces ATP
Question 8
In a tropical rainforest e\cosystem, the primary consumers are primarily herbivores that feed on the abundant plant life. However, some primary consumers are known to be carnivores. Which of the following best describes the relationship between the primary consumers and the producers in this e\cosystem?
A. Decomposers break down dead plants and animals, relea\sing nutrients back into the soil.
B. Primary consumers are herbivores that feed on producers, while carnivores feed on other primary consumers.
C. Producers, such as plants, are the primary source of energy for the e\cosystem.
D. Decomposers are not present in this e\cosystem, as they are not necessary for the functioning of the rainforest.
Question 9
The diagram below shows the structure of a plant cell. What is the function of the cell wall?
A. Provides structural support
B. Regulates the movement of materials in and out of the cell
C. Stores water and nutrients
D. Produces energy for the cell
Question 10
A diagram of the human digestive system is shown below. Which of the following statements is true about the small intestine?
A. It is the longest part of the digestive system.
B. It is responsible for the breakdown of proteins into amino acids.
C. It is where most of the nutrient absorption takes place.
D. It is the part of the digestive system where water and electrolytes are absorbed.
Question 11
In the nervous system, what is the primary function of the synapse?
A. Transmission of nerve impulses
B. Storage of nerve impulses
C. Regulation of nerve impulses
D. Maintenance of nerve impulses
Question 12
A 0.5 M solution of glu\cose is prepared by dissolving 18 g of glu\cose in 100 mL of water. What is the molarity of the solution?
A. 0.1 M
B. 0.5 M
C. 1.0 M
D. 5.0 M
Question 13
A plant cell has a cell wall made of cellulose, a plasma membrane, and a large central vacuole. Which of the following is NOT a characteristic of plant cells?
A. Plant cells have a large central vacuole.
B. Plant cells have a cell wall made of cellulose.
C. Plant cells have a plasma membrane.
D. Plant cells have a nucleus.
Question 14
The process of excretion in humans involves the removal of waste products from the body. Which of the following organs is NOT involved in this process?
A. Kidneys
B. Liver
C. Skin
D. Heart
Question 15
A tissue is a group of cells that work together to perform a specific function. What is the primary function of the epithelial tissue?
A. To provide support and structure
B. To facilitate the exchange of subs\tances
C. To contract and move the body
D. To store energy

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