POST UTME RSU 2019 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A cell membrane is composed of a phospholipid bilayer with embedded proteins. Which of the following is NOT a characteristic of the phospholipid bilayer?
A. Amphipathic
B. Fluid Mosaic Model
C. Selective Permeability
D. Lipid Bilayer Thickness
Question 2
A diagram of the human eye is shown below.
A. The cornea is responsible for focu\sing light onto the retina
B. The iris controls the amount of light that enters the eye
C. The lens changes shape to focus on objects at different dis\tances
D. The retina contains specialized cells called photoreceptors
Question 3
A diagram of the human eye is shown below. What is the primary function of the retina?
A. Detection of light
B. Focus of light
C. Transmission of signals
D. Protection from pathogens
Question 4
The diagram below shows the structure of a mitochondrion. Which of the following is NOT a function of the mitochondrion?
A. Generating ATP
B. Regulating cell growth
C. Maintaining cell structure
D. Regulating cell division
Question 5
A plant undergoes photosynthesis in the presence of light. What is the expected effect on the plant's energy levels?
A. Increased energy levels due to light-dep\endent reactions
B. Decreased energy levels due to light-indep\endent reactions
C. No effect on energy levels due to photosynthesis
D. Variable energy levels due to random fluctuations
Question 6
A diagram of the human nervous system is shown below. What is the function of the structure labeled 'B'?
A. Cerebrum
B. Cerebellum
C. Brainstem
D. Spinal Cord
Question 7
In the context of evolutionary theory, what is the primary mechanism by which natural selection acts on genetic variation?
A. Genetic drift
B. Gene flow
C. Mutation
D. Differential reproduction
Question 8
A diagram of a plant cell is shown below. What is the function of the structure labeled 'A'?
A. Storage of nutrients
B. Synthesis of proteins
C. Photosynthesis
D. Transport of water
Question 9
A diagram of a plant cell is shown below. What is the function of the structure labeled 'A'?
A. Mitochondria
B. Chloroplast
C. Nucleus
D. Vacuole
Question 10
A cell undergoes mitosis to produce two daughter cells. What is the expected effect on the cell's genetic material?
A. Increased genetic material due to duplication
B. Decreased genetic material due to loss
C. No effect on genetic material due to mitosis
D. Variable genetic material due to random loss
Question 11
The diagram below shows the structure of a red blood cell. Which of the following is a function of the red blood cell?
A. Regulating body temperature
B. Transporting oxygen
C. Maintaining cell structure
D. Regulating cell growth
Question 12
A genetic cross is performed between two true-breeding lines of peas. One line has green seeds and the other line has yellow seeds. What is the probability that a heterozygous offspring will produce green seeds?
A. 0.5
B. 0.25
C. 0.75
D. 0.9
Question 13
A diagram of the human nervous system is shown below. What is the primary function of the spinal cord?
A. Control of voluntary movements
B. Control of involuntary movements
C. Transmission of signals
D. Protection from pathogens
Question 14
A cell undergoing mitosis has a chromosome number of 46. What is the ploidy level of this cell?
A. Diploid
B. Haploid
C. Triploid
D. Tetraploid
Question 15
In a xylem vessel, what is the primary function of the lignin component?
A. To provide structural support to the vessel
B. To facilitate the transport of water and minerals
C. To regulate the rate of transpiration
D. To absorb water and minerals from the soil

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