POST UTME AL-HIKMAH UNIVERSITY 2025 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
In a population of Drosophila melanogaster, the frequency of the recessive allele 'a' is 0.2. Assuming Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype 'AA'?
A. 0.36
B. 0.64
C. 0.72
D. 0.84
Question 2
In the context of asexual reproduction, what is the primary advantage of budding in yeast?
A. It allows for the production of multiple offspring at once
B. It increases the genetic diversity of the offspring
C. It is a more efficient method of reproduction than sexual reproduction
D. It allows for the production of offspring with unique characteristics
Question 3
A 25-year-old female patient presents with symptoms of abdominal pain, diarrhea, and weight loss. Her stool sample is positive for Giardia lamblia. Which of the following is the most likely diagnosis?
A. Giardiasis
B. Amoebiasis
C. Hookworm infection
D. Tapeworm infection
Question 4
In a tropical rainforest e\cosystem, the primary producers are plants that undergo photosynthesis. Which of the following is a characteristic of photosynthesis?
A. It is an \endothermic process.
B. It requires light energy to occur.
C. It produces glu\cose and oxygen as byproducts.
D. It is a heterotrophic process.
Question 5
A 2.5 L solution of 0.1 M glu\cose is diluted to 5 L. What is the concentration of glu\cose in the new solution?
A. 0.02 M
B. 0.04 M
C. 0.05 M
D. 0.1 M
Question 6
A patient has a blood pressure of 140/90 mmHg. If the systolic pressure is 20% higher than the diastolic pressure, what is the diastolic pressure?
A. 70 mmHg
B. 80 mmHg
C. 90 mmHg
D. 100 mmHg
Question 7
A species of bird has a beak shape that is well-suited for cracking open nuts. This is an example of what type of adaptation?
A. Mimicry
B. Camouflage
C. Specialized
D. Generalized
Question 8
A plant has the genotype AaBbCc. What is the probability that a gamete produced by this plant will have the genotype Ab?
A. 1/4
B. 1/2
C. 3/4
D. 1
Question 9
In the context of osmoregulation, what is the primary function of the hypothalamus in regulating thirst and hunger?
A. To regulate the balance of electrolytes in the body
B. To stimulate the release of hormones that control thirst and hunger
C. To monitor the concentration of solutes in the blood
D. To regulate the body's water balance
Question 10
A diagram of the human eye is shown below. Which part of the eye is responsible for detecting light?
A. Cornea
B. Iris
C. Retina
D. Lens
Question 11
A diagram of the human digestive system is shown below. Which of the following organs is responsible for breaking down proteins into smaller peptides?
A. Stomach
B. Small intestine
C. Large intestine
D. Liver
Question 12
The process of mitosis is responsible for the replication of genetic material in eukaryotic cells. What is the primary purpose of mitosis?
A. To produce gametes
B. To produce somatic cells
C. To repair damaged DNA
D. To produce stem cells
Question 13
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?
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Water
Question 14
A 2.5 L solution of 0.1 M glu\cose is diluted to 5 L. What is the concentration of glu\cose in the new solution?
A. 0.02 M
B. 0.04 M
C. 0.05 M
D. 0.1 M
Question 15
A species of animal has a circulatory system that includes a heart, arteries, and veins. Which of the following is a function of the heart?
A. To pump blood to the lungs.
B. To pump blood to the brain.
C. To pump blood to the muscles.
D. To pump blood to the liver.

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: