POST UTME ESUT 2017 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. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype 'AA'?
A. 0.64
B. 0.36
C. 0.16
D. 0.04
Question 2
In the context of microorganisms and diseases, what is the primary mechanism by which bacteria cause disease?
A. Invasion of host cells
B. Production of toxins
C. Disruption of host immune system
D. Competition with host for nutrients
Question 3
In the context of evolutionary theories, what is the primary mechanism by which natural selection acts on genetic variation?
A. Genetic drift
B. Mutation
C. Gene flow
D. Differential reproduction
Question 4
In the context of evolutionary bio\logy, what is the primary mechanism driving the process of speciation?
A. Genetic drift
B. Natural selection
C. Gene flow
D. Mutation
Question 5
A diagram of the human reproductive system is shown below. Identify the part labeled B.
A. Testis
B. Ovary
C. Uterus
D. Vagina
Question 6
A 40-year-old man is diagnosed with a type of cancer that affects his digestive system. Which of the following is a characteristic of his condition?
A. Tumor growth in the colon
B. Tumor growth in the rectum
C. Tumor growth in the small intestine
D. Tumor growth in the stomach
Question 7
A solution of 0.1 M NaCl is diluted to 0.01 M. What is the new volume of the solution?
A. 10 mL
B. 100 mL
C. 1000 mL
D. 10 L
Question 8
In a eukaryotic cell, the process of photosynthesis occurs in the _______.
A. mitochondria
B. chloroplast
C. nucleus
D. vacuole
Question 9
A diagram of a neuron is shown below. What is the function of the part labeled 'D'?
A. To receive signals from other neurons
B. To transmit signals to other neurons
C. To synthesize neurotransmitters
D. To regulate the strength of synaptic connections
Question 10
The _______ is a type of cell division that results in the production of four non-identical daughter cells.
A. mitosis
B. meiosis
C. binary fission
D. \endospore formation
Question 11
A 25-year-old woman is diagnosed with type 1 diabetes mellitus. Which of the following is a characteristic of her condition?
A. Insulin resis\tance
B. Pancreatic \beta-cell destruction
C. Genetic predisposition
D. Autoimmune response
Question 12
A diagram of a plant cell is shown below. Identify the part labeled 'A'.
A. Mitochondria
B. Chloroplast
C. Nucleus
D. Vacuole
Question 13
The _______ is a type of biome characterized by a cold and dry climate.
A. tundra
B. desert
C. grassland
D. rainforest
Question 14
A diagram of the human eye is shown below. Identify the part labeled A.
A. Cornea
B. Iris
C. Lens
D. Retina
Question 15
A diagram of a human respiratory system is shown below. Identify the part labeled 'B'.
A. Trachea
B. Lungs
C. Diaphragm
D. Bronchi

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