POST UTME DELSU 2022 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
In the human body, which of the following organs is responsible for filtering waste products from the blood?
A. Liver
B. Kidneys
C. Lungs
D. Heart
Question 2
In the context of cellular respiration, what is the primary function of the electron transport chain?
A. To generate ATP
B. To produce NADH
C. To reduce oxygen
D. To increase pH
Question 3
A 50-year-old man has a family history of hypertension. His blood pressure is 140/90 mmHg. What is the most likely cause of his hypertension?
A. Genetic predisposition
B. Environmental factors
C. Lifestyle choices
D. Medical conditions
Question 4
A plant grows in a soil with a pH of 6.5. If the plant requires a pH of 5.5 to grow optimally, what is the minimum amount of lime (CaCO3) required to adjust the pH?
A. 1 g
B. 2 g
C. 3 g
D. 4 g
Question 5
A plant with the genotype 'AaBb' is crossed with a plant with the genotype 'AaBb'. What is the probability that the offspring will have the genotype 'AABB'?
A. 0.25
B. 0.50
C. 0.75
D. 0.90
Question 6
A plant hormone that promotes cell elongation and cell division is
A. Auxin
B. Ethylene
C. Abscisic acid
D. Gibberellin
Question 7
The diagram below shows the structure of a nerve cell. Identify the part labeled A
A. D\endrite
B. Axon
C. Cell body
D. Myelin sheath
Question 8
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 9
In a population of Drosophila melanogaster, the frequency of the recessive allele 'b' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype 'BB'?
A. 0.36
B. 0.64
C. 0.48
D. 0.56
Question 10
A nerve impulse travels from the d\endrite to the axon of a neuron. What type of conduction is this an example of?
A. Saltatory conduction
B. Continuous conduction
C. Gradated conduction
D. Non-graded conduction
Question 11
In the xylem, water and minerals are transported from the roots to the leaves through the process of
A. Transpiration Pull
B. Root Pressure
C. Transpiration Push
D. Capillary Action
Question 12
A couple is trying to conceive a child. What is the most likely cause of infertility in the male partner?
A. Low sperm count
B. Poor sperm motility
C. Abnormal sperm morpho\logy
D. Varicocele
Question 13
A diagram of a typical blood vessel is shown below. What is the function of the \endothelium in the blood vessel?
A. To regulate the amount of water in the blood
B. To provide a pathway for the exchange of gases
C. To line the blood vessel and prevent blood clotting
D. To store food and water
Question 14
The process by which the body regulates the amount of water in the blood is called
A. Osmosis
B. Diffusion
C. Active transport
D. Regulation of water balance
Question 15
A population of bacteria is growing in a controlled environment. The population size is measured over time and plotted on a graph. What is the shape of the graph?
A. Exponential growth
B. Linear growth
C. Logarithmic growth
D. Sigmoid growth

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