POST UTME ESUT 2025 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The hormone that stimulates the release of insulin from the pancreas is?
A. Glucagon
B. Insulin
C. Ghrelin
D. Leptin
Question 2
In a desert e\cosystem, the primary consumers are primarily insects that feed on the abundant cactus plants. Which of the following is a characteristic of these primary consumers?
A. They have a high rate of reproduction to quickly colonize the desert.
B. They have a specialized digestive system to break down cellulose.
C. They have a large body size to intimidate predators.
D. They have a symbiotic relationship with other organisms.
Question 3
The diagram below shows the structure of a human eye. Identify the part labeled 'B'.
A. Cornea
B. Iris
C. Retina
D. Lens
Question 4
In the context of gas exchange, what is the primary function of the alveolar-capillary membrane?
A. To facilitate the diffusion of oxygen into the blood
B. To facilitate the diffusion of carbon dioxide out of the blood
C. To regulate blood pressure
D. To maintain acid-base balance
Question 5
In the context of tissue structure, what is the primary function of the basement membrane?
A. To provide structural support to the tissue
B. To facilitate the diffusion of nutrients and waste products
C. To regulate blood pressure
D. To maintain acid-base balance
Question 6
A person is experiencing visual impairment due to a defect in the retina. Which of the following is a characteristic of the person's visual system?
A. Decreased visual acuity
B. Increased visual acuity
C. Decreased visual field
D. Increased visual field
Question 7
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 to quickly digest their food.
B. They have a low metabolic rate to conserve energy.
C. They have a specialized digestive system to break down cellulose.
D. They have a large body size to intimidate predators.
Question 8
The process of transport in eukaryotic cells involves the movement of subs\tances across the plasma membrane. Which of the following types of transport is characterized by the movement of subs\tances against their concentration gradient?
A. Passive transport
B. Active transport
C. Osmosis
D. Diffusion
Question 9
A population of a certain species is observed to have a mean height of 1.8 meters with a s\tandard deviation of 0.2 meters. If a random sample of 50 individuals is taken from this population, what is the probability that the sample mean height will be greater than 1.9 meters?
A. 0.25
B. 0.5
C. 0.75
D. 0.9
Question 10
The process by which a cell divides into two daughter cells is called?
A. Mitosis
B. Meiosis
C. Binary Fission
D. Endospore Formation
Question 11
The process of respiration in eukaryotic cells involves the breakdown of glu\cose to produce ATP. Which of the following stages of respiration is characterized by the transfer of electrons from NADH to the electron transport chain?
A. Glycolysis
B. Pyruvate oxidation
C. Citric acid cycle
D. Electron transport chain
Question 12
In a photosynthetic pathway, which of the following electron carriers is responsible for the transfer of electrons from plastocyanin to the reaction center of photosystem II?
A. Ferredoxin
B. Plastocyanin
C. Cytochrome b6f complex
D. P700
Question 13
The process by which a cell divides into two daughter cells, each with a different number of chromosomes, is called?
A. Meiosis
B. Mitosis
C. Binary Fission
D. Endospore Formation
Question 14
In a coral reef e\cosystem, the primary consumers are primarily fish that feed on the abundant algae. Which of the following is a characteristic of these primary consumers?
A. They have a high rate of reproduction to quickly colonize the reef.
B. They have a specialized digestive system to break down coral.
C. They have a large body size to intimidate predators.
D. They have a schooling behavior to confuse predators.
Question 15
The process by which a cell becomes specialized to perform a specific function is called?
A. Differentiation
B. Mitosis
C. Meiosis
D. Apoptosis

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