POST UTME MADONNA UNIVERSITY 2017 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The process of asexual reproduction in plants involves the production of offspring that are genetically identical to the parent plant. Which of the following is an example of a type of asexual reproduction in plants?
A. Budding
B. Fragmentation
C. Runners
D. Spores
Question 2
A diagram of a human respiratory system is shown below. Which part of the diagram is responsible for the exchange of oxygen and carbon dioxide?
A. Lungs
B. Trachea
C. Diaphragm
D. Bronchi
Question 3
The diagram below shows a cross-section of the human eye. Which part of the eye is responsible for detecting light?
A. Cornea
B. Lens
C. Retina
D. Iris
Question 4
In the context of cell bio\logy, what is the term for the process by which a cell divides into two daughter cells?
A. Mitosis
B. Meiosis
C. Binary Fission
D. Endocytosis
Question 5
The human digestive system is responsible for breaking down food into smaller molecules that can be absorbed and utilized by the body. Which of the following is an example of a digestive enzyme that is produced by the pancreas?
A. Amylase
B. Lipase
C. Tryp\sin
D. Chymotryp\sin
Question 6
The process of heredity involves the transmission of traits from parents to offspring. Which of the following is a type of hereditary variation?
A. Genetic drift.
B. Mutation.
C. Gene flow.
D. Natural selection.
Question 7
A researcher is studying the effect of temperature on the growth of yeast. The researcher measures the growth rate of yeast at different temperatures and plots the data on a graph. If the growth rate is highest at 30°C and lowest at 20°C, what can be concluded about the effect of temperature on the growth of yeast?
A. Temperature has a positive effect on the growth of yeast
B. Temperature has a negative effect on the growth of yeast
C. Temperature has no effect on the growth of yeast
D. The effect of temperature on the growth of yeast is dep\endent on the concentration of nutrients
Question 8
A patient is experiencing difficulty with coordination and balance. Which of the following systems is most likely responsible for this symptom?
A. Nervous system
B. Hormonal system
C. Circulatory system
D. Respiratory system
Question 9
In a population of 1000 individuals, 60% are heterozygous for the gene controlling the production of the enzyme lactase. If 80% of the population is lactose intolerant, what is the probability that a randomly selected individual is homozygous recessive for the gene?
A. 0.06
B. 0.08
C. 0.12
D. 0.16
Question 10
In the context of respiration, what is the primary function of the mitochondria?
A. To synthesize ATP from ADP and Pi
B. To break down glu\cose to pyruvate
C. To transport oxygen from the lungs to the tissues
D. To regulate blood pH levels
Question 11
The process of osmoregulation in animals is essential for maintaining proper fluid balance. Which of the following is a mechanism used by the kidneys to regulate fluid balance?
A. Excretion of excess water through the skin.
B. Excretion of excess salts through the kidneys.
C. Reabsorption of excess water from the filtrate.
D. Excretion of excess water through the lungs.
Question 12
The process of mitosis results in the production of daughter cells that are genetically identical to the parent cell. Which of the following stages of mitosis is responsible for the separation of chromosomes?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
Question 13
A diagram of the xylem and phloem is shown below. What is the primary function of the xylem?
A. To transport water and minerals from the roots to the leaves
B. To transport sugars and other organic compounds from the leaves to the rest of the plant
C. To regulate water loss through transpiration
D. To support the structure of the plant
Question 14
The diagram below shows a cross-section of the human brain. Which part of the brain is responsible for controlling voluntary movements?
A. Cerebrum
B. Cerebellum
C. Brainstem
D. Spinal Cord
Question 15
A patient is experiencing difficulty with blood clotting. Which of the following transport systems is most likely responsible for this symptom?
A. Blood system
B. Xylem system
C. Phloem system
D. Circulatory system

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Help others prepare! Share this practice hub: