POST UTME REDEEMERS UNIVERSITY 2025 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The process of mitosis is a type of cell division that results in two daughter cells that are genetically identical to the parent cell. Which of the following stages of mitosis is characterized by the condensation of chromosomes?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
Question 2
The diagram below shows the structure of a mitochondrion. Which of the following is NOT a function of the cristae?
A. Protein synthesis
B. Electron transport
C. Fatty acid synthesis
D. Cell signaling
Question 3
A population of rabbits is growing exponentially. If the initial population size is 100 and the growth rate is 20% per year, what will be the population size after 5 years?
A. 1000
B. 2000
C. 4000
D. 8000
Question 4
A population of rabbits is introduced to a new island. Over time, the population grows exponentially. What is the primary factor driving this growth?
A. Availability of food
B. Absence of predators
C. Genetic adaptation
D. Environmental factors
Question 5
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 6
The process by which plants convert light energy into chemical energy is known as
A. Respiration
B. Photosynthesis
C. Transpiration
D. Osmosis
Question 7
The diagram below shows the structure of a plant cell. Which of the following is NOT a function of the cell wall?
A. Support and protection
B. Storage of nutrients
C. Regulation of cell shape
D. Cell signaling
Question 8
In the human eye, what is the primary function of the retina?
A. To focus light on the lens
B. To detect light and transmit signals to the brain
C. To regulate eye movement
D. To maintain eye pressure
Question 9
In the human body, what is the primary function of the pancreas?
A. To produce digestive enzymes
B. To regulate blood sugar levels
C. To maintain kidney function
D. To regulate body temperature
Question 10
A freshwater e\cosystem is characterized by a high concentration of dissolved oxygen. What is the primary source of this oxygen?
A. Photosynthesis by aquatic plants
B. Respiration by aquatic animals
C. Decomposition of organic matter
D. Atmospheric diffusion
Question 11
A diagram of a plant cell is shown below. Identify the structure labeled 'X'.
A. A
B. B
C. C
D. D
Question 12
A diagram of a chemical reaction is shown below. What is the product of the reaction?
A. H2O
B. CO2
C. CH4
D. O2
Question 13
A patient is diagnosed with a kidney disorder that affects the reabsorption of glu\cose in the renal tubules. What is the primary consequence of this disorder?
A. Hypoglycemia
B. Hyperglycemia
C. Diabetes mellitus
D. Kidney failure
Question 14
A diagram of the human circulatory system is shown below. What is the primary function of the pulmonary artery?
A. Transportation of oxygenated blood
B. Transportation of deoxygenated blood
C. Regulation of blood pressure
D. Maintenance of blood pH
Question 15
A geneticist is studying the inheri\tance of a trait in a population of mice. If the trait is controlled by a \single gene with two alleles, and the frequency of the dominant allele is 0.6, what is the expected frequency of the homozygous recessive genotype?
A. 0.16
B. 0.24
C. 0.32
D. 0.4

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