POST UTME MOUNTAIN TOP UNIVERSITY 2017 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
In a population of rabbits, the growth rate is affected by which of the following factors?
A. Availability of food
B. Predation by foxes
C. Disease
D. All of the above
Question 2
A diagram of a plant cell is shown below. Identify the organelle responsible for photosynthesis.
A. Mitochondria
B. Chloroplast
C. Endoplasmic reticulum
D. Golgi apparatus
Question 3
A diagram of the human circulatory system is shown below.
A. The heart pumps blood to the lungs.
B. The heart pumps blood to the body.
C. The heart pumps blood to the liver.
D. The heart pumps blood to the kidneys.
Question 4
In the context of eco\logical succession, what is the term for the process by which a community of organisms becomes more complex and diverse over time?
A. Primary succession
B. Secondary succession
C. Successional lag
D. E\cosystem engineering
Question 5
A patient has been diagnosed with a bacterial infection caused by Staphylococcus aureus. Which of the following antibiotics is most likely to be effective against this infection?
A. Penicillin
B. Erythromycin
C. Ciprofloxacin
D. Vancomycin
Question 6
The xylem tissue in plants is responsible for the transport of
A. Water and minerals
B. Sugars and amino acids
C. Waste products and excess ions
D. Hormones and signaling molecules
Question 7
In the classification of living things, which of the following kingdoms is characterized by the presence of cell walls made of cellulose?
A. Animalia
B. Plantae
C. Fungi
D. Protista
Question 8
The process of gas exchange in the lungs involves the diffusion of
A. Oxygen and carbon dioxide
B. Nitrogen and oxygen
C. Carbon dioxide and water vapor
D. Oxygen and nitrogen
Question 9
In the context of cellular respiration, what is the primary function of the electron transport chain?
A. To generate ATP through substrate-level phosphorylation
B. To pump protons across the mitochondrial membrane
C. To reduce NAD+ to NADH
D. To produce water as a byproduct
Question 10
A diagram of a human nervous system is shown below. Identify the part of the brain responsible for regulating body temperature.
A. Cerebrum
B. Hypothalamus
C. Cerebellum
D. Brainstem
Question 11
A population of rabbits is growing at a rate of 20% per year. If the initial population is 100 rabbits, what will be the population after 5 years?
A. 1000
B. 2000
C. 4000
D. 8000
Question 12
The cell cycle consists of four phases: G1, S, G2, and M. Which of the following is the primary function of the G1 phase?
A. DNA replication
B. Cell growth and preparation for DNA replication
C. Mitosis
D. Cytokinesis
Question 13
In the context of cell division, what is the primary function of the spindle fibers during mitosis?
A. To separate the chromosomes
B. To align the chromosomes
C. To condense the chromosomes
D. To de-condense the chromosomes
Question 14
Asexual reproduction in plants can occur through the formation of
A. Seeds
B. Spores
C. Buds
D. Rhizomes
Question 15
A plant cell is placed in a solution containing 0.1 M glu\cose. If the cell membrane is selectively permeable, what will be the net movement of glu\cose molecules into the cell?
A. Osmosis
B. Diffusion
C. Active transport
D. Passive transport

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