POST UTME AL-HIKMAH UNIVERSITY 2024 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
What is the primary function of the pancreas in a human body?
A. Digestion of proteins
B. Production of hormones
C. Absorption of nutrients
D. Excretion of waste
Question 2
What is the primary function of the mitochondria in a eukaryotic cell?
A. Protein synthesis
B. Cell signaling
C. Energy production
D. Cell division
Question 3
A genetic disorder is caused by a mutation in a gene that codes for a protein involved in DNA replication. Which of the following is a likely consequence of this mutation?
A. Increased risk of cancer
B. Decreased fertility
C. Increased risk of genetic disorders
D. Decreased risk of genetic disorders
Question 4
In a typical human kidney, what is the primary function of the Loop of Henle?
A. To reabsorb water and ions
B. To excrete waste products
C. To regulate blood pressure
D. To produce hormones
Question 5
In a population of 1000 individuals, 70% are heterozygous for the ABO blood group, 20% are homozygous dominant, and 10% are homozygous recessive. What is the genotype and phenotype of an individual chosen at random from this population?
A. Genotype: AA, Phenotype: Type A
B. Genotype: AO, Phenotype: Type A
C. Genotype: OO, Phenotype: Type O
D. Genotype: AA, Phenotype: Type O
Question 6
A plant cell is placed in a solution with a high concentration of salt. What will happen to the cell?
A. The cell will swell and eventually burst
B. The cell will shrink and lose water
C. The cell will remain unchanged
D. The cell will grow and divide
Question 7
What is the primary mechanism by which the immune system recognizes and responds to pathogens?
A. Complement system
B. Antibody-mediated response
C. Cell-mediated response
D. Phagocytosis
Question 8
A diagram of a plant cell is shown below. Identify the part labeled A.
A. Nucleus
B. Mitochondria
C. Chloroplast
D. Vacuole
Question 9
A diagram of a simple harmonic motion is shown below. What is the amplitude of the motion?
A. 1 m
B. 2 m
C. 3 m
D. 4 m
Question 10
A 2.5 L flask contains 1.5 mol of an ideal gas at 27°C. If 1.0 mol of gas is added to the flask, what is the new pressure?
A. 2.5 atm
B. 3.0 atm
C. 4.0 atm
D. 5.0 atm
Question 11
In asexual reproduction, what is the primary mechanism by which genetic variation is introduced?
A. Mutation
B. Genetic recombination
C. Gene duplication
D. Gene deletion
Question 12
A diagram of the human excretory system is shown below. What is the function of the kidneys?
A. To filter waste products from the blood
B. To regulate body temperature
C. To produce hormones
D. To excrete waste products
Question 13
A diagram of the human respiratory system is shown below. What is the function of the alveoli?
A. To exchange oxygen and carbon dioxide
B. To filter dust and debris
C. To produce mucus
D. To regulate body temperature
Question 14
A 0.1 M solution of HCl is mixed with a 0.1 M solution of NaOH. What is the pH of the resulting solution?
A. 1
B. 2
C. 3
D. 4
Question 15
In a photosynthetic plant, what is the role of the stomata?
A. Gas exchange
B. Water absorption
C. Nutrient uptake
D. Hormone regulation

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