POST UTME COVENANT UNIVERSITY 2022 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The diagram below shows a cross-section of a plant root. What is the function of the tissue labeled 'A'?
A. To absorb water and minerals
B. To store food
C. To support the plant
D. To produce hormones
Question 2
A genetic trait is inherited in an autosomal dominant pattern. If a parent has the dominant allele, what is the probability that their offspring will inherit the dominant allele?
A. 0.25
B. 0.5
C. 0.75
D. 0.9
Question 3
The diagram below shows a cross-section of a human eye. What is the primary function of the retina?
A. Detection of light and color
B. Focu\sing of light
C. Protection from glare
D. Production of tears
Question 4
The xylem tissue in plants is responsible for the transport of _______.
A. water and minerals
B. sugars and amino acids
C. oxygen and carbon dioxide
D. nitrogen and phosphorus
Question 5
The process of photosynthesis in plants occurs primarily in the _______ tissue.
A. palisade
B. spongy
C. vascular
D. epidermal
Question 6
The diagram below shows the structure of a plant cell. Which of the following is a function of the vacuole?
A. Storage of water and nutrients
B. Regulation of cell turgor pressure
C. Production of ATP through photosynthesis
D. Synthesis of proteins
Question 7
The diagram below shows a cross-section of a human brain. What is the primary function of the cerebrum?
A. Control of movement and balance
B. Regulation of body temperature
C. Proces\sing of sensory information
D. Production of hormones
Question 8
A person has a visual acuity of 20/200 in their right eye and 20/100 in their left eye. What is their visual acuity in the better eye?
A. 20/200
B. 20/100
C. 20/50
D. 20/20
Question 9
A genetic trait is inherited in an autosomal recessive pattern. If a parent has the recessive allele, what is the probability that their offspring will inherit the recessive allele?
A. 0.25
B. 0.5
C. 0.75
D. 0.9
Question 10
The process of gas exchange in plants occurs primarily in the _______ tissue.
A. palisade
B. spongy
C. vascular
D. epidermal
Question 11
The graph below shows the relationship between the concentration of a substrate and the rate of enzyme activity. What is the name of the enzyme that catalyzes this reaction?
A. Amylase
B. Lactase
C. Tryp\sin
D. Pep\sin
Question 12
A diagram of the xylem and phloem in a plant is shown below. What is the primary function of the xylem?
A. Transport of water and minerals
B. Transport of sugars and amino acids
C. Support and storage
D. Protection from pathogens
Question 13
A diagram of a human eye is shown below. What is the function of the structure labeled 'B'?
A. To focus light on the retina
B. To regulate the amount of light entering the eye
C. To detect color
D. To detect movement
Question 14
The process of respiration in animals occurs primarily in the _______ tissue.
A. skeletal
B. cardiac
C. smooth
D. epithelial
Question 15
The xylem tissue in plants is responsible for the transport of _______ from the roots to the leaves.
A. water and minerals
B. sugars and amino acids
C. oxygen and carbon dioxide
D. nitrogen and phosphorus

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