POST UTME UNILORIN 2025 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A diagram of a plant cell is shown below. What is the function of the part labeled 'A'?
Question 2
A population of rabbits is introduced to a new habitat. Initially, the population grows exponentially, but eventually, the growth rate slows down. What is the likely cause of this slowdown?
A. Predation
B. Competition for resources
C. Disease
D. Genetic drift
Question 3
In asexual reproduction, what is the primary mechanism by which genetic variation is introduced?
A. Mutation
B. Genetic recombination
C. Gene duplication
D. Gene deletion
Question 4
A diagram of a plant is shown below. Which of the following statements is true about this plant?
A. It is a type of monocot.
B. It is a type of dicot.
C. It has a taproot.
D. It has a fibrous root system.
Question 5
What is the term for the process by which an organism's genetic information is passed from one generation to the next?
A. Mutation
B. Genetic drift
C. Natural selection
D. Heritability
Question 6
The diagram below shows the structure of a mitochondrion. Which of the following is a function of the cristae?
A. Protein synthesis
B. Electron transport
C. Oxidative phosphorylation
D. Fatty acid synthesis
Question 7
A diagram shows a cross-section of a root hair cell. Which of the following structures is responsible for the absorption of water and minerals?
A. A
B. B
C. C
D. D
Question 8
In the human body, what is the primary function of the pancreas?
A. To produce hormones that control blood sugar levels
B. To produce enzymes that break down proteins
C. To produce hormones that control blood pressure
D. To produce hormones that control growth and development
Question 9
In the human kidney, what is the primary function of the glomerulus?
A. To filter waste products from the blood
B. To regulate the amount of water in the body
C. To produce hormones that control blood pressure
D. To store waste products until they are excreted
Question 10
In a typical human cell, what is the primary function of the Golgi apparatus?
A. To synthesize proteins and lipids
B. To modify and package proteins and lipids
C. To transport materials between the ER and the plasma membrane
D. To store starch and other reserve materials
Question 11
A diagram of a plant cell is shown below. Which of the following organelles is responsible for photosynthesis?
A. Mitochondrion
B. Chloroplast
C. Vacuole
D. Nucleus
Question 12
A plant has a genotype of 'Rr' for the flower color trait. If the plant is self-pollinated, what is the probability that the offspring will be homozygous dominant for the trait?
A. 0.25
B. 0.5
C. 0.75
D. 1.0
Question 13
A diagram of a microorganism is shown below. Which of the following statements is true about this microorganism?
A. It is a type of bacteria.
B. It is a type of virus.
C. It is a type of fungus.
D. It is a type of protozoa.
Question 14
What is the term for the process by which an organism's genetic information is altered by external factors?
A. Mutation
B. Genetic drift
C. Natural selection
D. Gene expression
Question 15
In a cell undergoing mitosis, what is the stage where the chromosomes are most condensed?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase

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