POST UTME FUTO 2022 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A cell's plasma membrane is selectively permeable due to the presence of specific proteins embedded within it. Which of the following types of proteins is primarily responsible for the regulation of the movement of subs\tances across the membrane?
A. Channel proteins
B. Carrier proteins
C. Receptor proteins
D. Transport proteins
Question 2
A population of bacteria is growing exponentially. If the initial population size is 100 and the growth rate is 20% per hour, what is the population size after 3 hours?
A. 1600
B. 1800
C. 2000
D. 2200
Question 3
In a food chain, energy is transferred from one trophic level to the next through what process?
A. Respiration
B. Photosynthesis
C. Decomposition
D. Consumption
Question 4
In a population of Drosophila melanogaster, the frequency of the recessive allele 'b' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype?
A. 0.4
B. 0.2
C. 0.6
D. 0.8
Question 5
The process of symbiotic relationship between two organisms where one organism benefits and the other is harmed is known as
A. Mutualism
B. Commensalism
C. Parasitism
D. Amensalism
Question 6
A diagram of a human cell is shown below. Identify the part labeled B.
A. Mitochondria
B. Endoplasmic reticulum
C. Golgi apparatus
D. Lysosome
Question 7
The nervous system is responsible for
A. Regulating body temperature
B. Controlling blood pressure
C. Transmitting nerve impulses
D. Producing hormones
Question 8
The process of mitosis results in the production of two daughter cells that are genetically identical to the parent cell. Which of the following stages of mitosis is characterized by the separation of sister chromatids?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
Question 9
A 10 g sample of a subs\tance is dissolved in 100 mL of water. What is the concentration of the solution in g/L?
A. 0.01 g/L
B. 0.1 g/L
C. 1 g/L
D. 10 g/L
Question 10
The theory of evolution by natural selection proposes that populations of organisms adapt to their environments through the process of genetic variation and mutation. Which of the following mechanisms is primarily responsible for the creation of new genetic variation?
A. Mutation
B. Gene flow
C. Genetic drift
D. Artificial selection
Question 11
A plant with the genotype 'Tt' is crossed with a plant with the genotype 'tt'. What is the probability that the offspring will have the genotype 'TT'?
A. 0.25
B. 0.5
C. 0.75
D. 0.9
Question 12
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 inner membrane
C. To reduce NADH and FADH2 to NAD+ and FAD
D. To produce water and ATP through oxidative phosphorylation
Question 13
A study on the evolution of a population found that the frequency of the dominant allele 'A' is 0.8. If the population size is 1000, what is the expected number of homozygous dominant individuals?
A. 800
B. 600
C. 400
D. 200
Question 14
A species of bird has a beak shape that is well-suited for eating seeds. Which of the following evolutionary pressures is most likely responsible for the development of this trait?
A. Natural selection acting on beak shape
B. Genetic drift cau\sing random changes in beak shape
C. Gene flow introducing new beak shapes from other species
D. Artificial selection by humans for desirable beak shape
Question 15
In a closed e\cosystem, the rate of respiration in a population of organisms is directly proportional to the population size. If the population size doubles, what happens to the rate of respiration?
A. It remains the same
B. It increases by a factor of 2
C. It increases by a factor of 4
D. It decreases by a factor of 2

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