POST UTME IGBINEDION UNIVERSITY 2021 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
In a population of 1000 individuals, the frequency of the dominant allele is 0.6. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the recessive allele?
A. 0.4
B. 0.2
C. 0.8
D. 0.1
Question 2
A diagram of a plant cell is shown below. Which of the following organelles is responsible for protein synthesis?
A. Nucleus
B. Mitochondria
C. Ribosomes
D. Endoplasmic reticulum
Question 3
A diagram of the human brain is shown below. Which part of the brain is responsible for controlling voluntary movements?
A. Cerebrum
B. Cerebellum
C. Brainstem
D. Spinal Cord
Question 4
A researcher studying the eco\logy of a freshwater lake observes that the lake's water level is decrea\sing at a rate of 0.5 meters per day. Which of the following factors is most likely responsible for this decrease?
A. Evaporation
B. Inflow of water from surrounding land
C. Outflow of water through the lake's outlet
D. Water seepage into the surrounding soil
Question 5
A patient is diagnosed with a bacterial infection caused by Staphylococcus aureus. Which of the following antibiotics is most likely to be effective against this bacterium?
A. Penicillin
B. Erythromycin
C. Ciprofloxacin
D. Vancomycin
Question 6
In a population of Drosophila melanogaster, the frequency of the recessive allele 'a' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype 'AA'?
A. 0.64
B. 0.36
C. 0.16
D. 0.44
Question 7
In the context of tissue structure, what is the primary function of the basement membrane?
A. To provide structural support
B. To regulate the movement of ions and molecules
C. To facilitate the exchange of oxygen and carbon dioxide
D. To produce hormones
Question 8
A researcher isolates a microorganism that exhibits both aerobic and anaerobic respiration. What is the most likely type of microorganism?
A. Bacteria
B. Yeast
C. Mold
D. Fungus
Question 9
What is the process by which plants release water vapor into the air?
A. Respiration
B. Photosynthesis
C. Transpiration
D. Evaporation
Question 10
A diagram of a circuit is shown below. What is the value of the current flowing through the circuit?
A. 2 A
B. 4 A
C. 6 A
D. 8 A
Question 11
In a typical human cell, what is the primary function of the Golgi apparatus?
A. Protein synthesis
B. Cell signaling
C. Lipid synthesis
D. Protein modification
Question 12
In a population of Drosophila melanogaster, the frequency of the recessive allele 'a' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the dominant allele 'A'?
A. 0.8
B. 0.6
C. 0.4
D. 0.2
Question 13
A cell is placed in a hypotonic solution. What will happen to the cell's volume?
A. The cell will shrink
B. The cell will swell
C. The cell will remain unchanged
D. The cell will burst
Question 14
A diagram of a cell cycle is shown below. Which of the following stages is characterized by DNA replication?
A. G1
B. S
C. G2
D. M
Question 15
What is the function of the Golgi apparatus in a cell?
A. To synthesize proteins
B. To modify and package proteins
C. To transport materials within the cell
D. To degrade cellular waste

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