POST UTME AFE BABALOLA UNIVERSITY 2022 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A 30-year-old woman is experiencing difficulty getting pregnant. She has been trying for 2 years without success. Which of the following is the most likely cause of her infertility?
A. Polycystic ovary syndrome (PCOS)
B. Endometriosis
C. Tubal ligation
D. Hypothyroidism
Question 2
In a tropical rainforest e\cosystem, the primary consumers are primarily herbivores that feed on the abundant plant life. Which of the following is a characteristic of these primary consumers?
A. They have a high metabolic rate
B. They have a low reproductive rate
C. They have a large body size
D. They have a specialized digestive system
Question 3
A diagram of the human circulatory system is shown below. Identify the part labeled 'B'.
A. Heart
B. Artery
C. Vein
D. Capillary
Question 4
The human eye has what type of sense organ that is responsible for detecting light and color?
A. Retina
B. Cornea
C. Iris
D. Lens
Question 5
A population of Drosophila melanogaster is being studied for its genetic variation. Which of the following genetic variations is most likely to be influenced by the presence of a genetic modifier?
A. Eye color
B. Body size
C. Wing shape
D. Sex determination
Question 6
In a population of Drosophila melanogaster, the frequency of the recessive allele 'a' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype 'AA'?
A. 0.2
B. 0.4
C. 0.6
D. 0.8
Question 7
A geneticist is studying the inheri\tance of a particular trait in a population of mice. Which of the following genetic patterns is most likely to result in the expression of the dominant allele?
A. Autosomal dominant
B. Autosomal recessive
C. X-linked dominant
D. X-linked recessive
Question 8
In a population of 1000 individuals, 20% are heterozygous for the sickle cell trait. If 10% of the population is homozygous dominant and 70% is homozygous recessive, what is the frequency of the recessive allele?
A. 0.15
B. 0.20
C. 0.25
D. 0.30
Question 9
A diagram of the human eye is shown below. What is the function of the part labeled 'A'?
A. To focus light
B. To detect light
C. To regulate pupil size
D. To produce tears
Question 10
A researcher is studying the effect of light on the growth of plants. The researcher measures the growth rate of the plants at different light intensities and plots the data on a graph. Which of the following types of graphs would best represent the data?
A. Line graph
B. Bar graph
C. Scatter plot
D. Histogram
Question 11
The process of mitosis in a eukaryotic cell involves the replication of DNA and the separation of chromosomes into two daughter cells. What is the primary function of the centrioles during this process?
A. To replicate the DNA
B. To separate the chromosomes
C. To form the spindle fibers
D. To regulate the cell cycle
Question 12
In the process of photosynthesis, what type of energy is absorbed by chlorophyll?
A. Thermal energy
B. Kinetic energy
C. Radiant energy
D. Potential energy
Question 13
The diagram below shows a cross-section of a human brain. What is the function of the part labeled 'C'?
A. To control movement
B. To regulate body temperature
C. To process sensory information
D. To produce hormones
Question 14
What is the primary function of the sense organ known as the vestibular apparatus?
A. Detection of sound
B. Maintenance of balance
C. Regulation of body temperature
D. Production of tears
Question 15
A researcher is studying the effect of light intensity on the growth of a plant. Which of the following light intensities is most likely to result in the highest rate of photosynthesis?
A. Low light intensity
B. Moderate light intensity
C. High light intensity
D. Very high light intensity

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Help others prepare! Share this practice hub: