POST UTME NILE UNIVERSITY 2019 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The process by which the body regulates the amount of water in the body is known as
A. Osmoregulation
B. Thermoregulation
C. Hemoregulation
D. Electrolyte Regulation
Question 2
The reproductive system of humans is composed of the male and female reproductive organs. Which of the following is a characteristic of the male reproductive system?
A. It produces eggs
B. It produces sperm
C. It is composed of a uterus
D. It is composed of a vagina
Question 3
In a eukaryotic cell, the process of cell division that results in the production of four daughter cells is known as
A. Mitosis
B. Meiosis
C. Binary Fission
D. Endoreduplication
Question 4
The process of osmoregulation in humans involves the regulation of which of the following?
A. Water balance
B. Sodium balance
C. Potassium balance
D. All of the above
Question 5
In the context of evolutionary theory, what is the primary mechanism by which genetic variation is introduced into a population?
A. Mutation
B. Gene flow
C. Genetic drift
D. Natural selection
Question 6
In the context of genetics, what is the term for the process by which a gene is turned on or off?
A. Gene expression
B. Gene regulation
C. Gene mutation
D. Gene silencing
Question 7
The type of genetic variation that occurs when there is a change in the DNA sequence is known as
A. Point Mutation
B. Frameshift Mutation
C. Chromosomal Mutation
D. Gene Duplication
Question 8
The growth curve of a population of E. coli is shown below. What is the phase of growth where the population is increa\sing exponentially?
A. Log phase
B. Stationary phase
C. Lag phase
D. Accelerated phase
Question 9
In the context of evolutionary bio\logy, what is the primary mechanism by which the process of natural selection acts on genetic variation within a population?
A. Genetic drift
B. Gene flow
C. Mutation
D. Differential reproduction
Question 10
A bio\logist is studying the morpho\logy of a plant cell. Which of the following structures is responsible for maintaining the cell's shape?
A. Cell wall
B. Plasma membrane
C. Cytoplasm
D. Vacuole
Question 11
The type of cell division that occurs in the reproductive cells is known as
A. Mitosis
B. Meiosis
C. Binary Fission
D. Endoreduplication
Question 12
The process by which plants convert light energy into chemical energy is known as
A. Photosynthesis
B. Respiration
C. Transpiration
D. Translocation
Question 13
What is the primary function of the sense organ known as the vestibular apparatus?
A. Detection of changes in sound pressure
B. Maintenance of balance and orientation in space
C. Regulation of body temperature
D. Detection of light and color
Question 14
The process of hormonal coordination in the human body involves the release of hormones from the hypothalamus, which then stimulate the pituitary gland to release other hormones. Which of the following hormones is responsible for stimulating the release of growth hormone from the anterior pituitary gland?
A. Growth Hormone-Relea\sing Hormone (GHRH)
B. Thyroid-Stimulating Hormone (TSH)
C. Adrenocorticotropic Hormone (ACTH)
D. Follicle-Stimulating Hormone (FSH)
Question 15
What is the term for the process by which an organism's cells become specialized to perform specific functions?
A. Differentiation
B. Mitosis
C. Meiosis
D. Symbiosis

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