POST UTME FUTA 2025 Biology | Objective

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Question 1 View Details
In the context of M\endelian genetics, what is the term for the phenomenon where a dominant allele masks the effect of a recessive allele in a heterozygous individual?
Correct A. Incomplete dominance
B. Codominance
C. Heterosis
D. Punnett square

Correct Answer: A

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Question 2 View Details
A plant cell is placed in a solution containing 2M glu\cose. Which of the following processes will occur in the cell?
A. Photosynthesis
Correct B. Respiration
C. Osmosis
D. Diffusion

Correct Answer: B

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Question 3 View Details
A population of Drosophila melanogaster has a frequency of 0.4 for the allele 'B' that causes black eyes. What is the expected frequency of the homozygous recessive genotype 'bb'?
Correct A. 0.16
B. 0.36
C. 0.64
D. 0.84

Correct Answer: A

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Question 4 View Details
A solution containing 1M NaCl is placed in a dialysis bag. Which of the following processes will occur in the solution?
Correct A. Osmosis
B. Diffusion
C. Active transport
D. Passive transport

Correct Answer: A

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Question 5 View Details
A plant has a genotype of 'Rr' for the trait of red flowers. What is the probability that the plant will produce a red-flowered offspring?
Correct A. 0.5
B. 0.25
C. 0.75
D. 0.9

Correct Answer: A

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Question 6 View Details
In the context of excretion and osmoregulation, what is the primary function of the kidneys in maintaining homeostasis?
A. Regulation of blood pH
B. Removal of waste products
Correct C. Maintenance of water balance
D. Regulation of blood pressure

Correct Answer: C

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Question 7 View Details
A diagram of the human nervous system is shown below. Identify the part labeled 'A'?
Correct A. Cerebrum
B. Cerebellum
C. Brainstem
D. Spinal cord

Correct Answer: A

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Question 8 View Details
In the context of evolutionary theories and adaptations, what is the primary mechanism by which natural selection acts?
A. Mutation
B. Genetic drift
C. Gene flow
Correct D. Differential reproduction

Correct Answer: D

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Question 9 View Details
A diagram of the human excretory system is shown below. Identify the part labeled 'B'?
A. Liver
Correct B. Kidney
C. Pancreas
D. Spleen

Correct Answer: B

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Question 10 View Details
In the context of classification of living things, what is the primary characteristic that distinguishes between prokaryotic and eukaryotic cells?
Correct A. Presence of a nucleus
B. Presence of mitochondria
C. Presence of a cell wall
D. Presence of ribosomes

Correct Answer: A

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Question 11 View Details
In a tropical rainforest e\cosystem, the primary producers are plants that undergo photosynthesis. What is the net result of photosynthesis in terms of oxygen and glu\cose production?
A. Oxygen is produced and glu\cose is consumed
B. Oxygen is consumed and glu\cose is produced
Correct C. Oxygen is produced and glu\cose is produced
D. Oxygen is consumed and glu\cose is consumed

Correct Answer: C

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Question 12 View Details
A cell membrane is selectively permeable due to its structure, which includes protein channels and transport proteins. What is the primary function of these proteins?
Correct A. To regulate the movement of ions and molecules across the membrane
B. To maintain the structural integrity of the membrane
C. To facilitate the transport of glu\cose and amino acids
D. To control the movement of water and ions

Correct Answer: A

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Question 13 View Details
A population of rabbits is growing exponentially, with a birth rate of 0.05 per year and a death rate of 0.02 per year. What is the carrying capacity of the environment?
A. 2
Correct B. 2.5
C. 3
D. 4

Correct Answer: B

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Question 14 View Details
A diagram of a plant cell is shown below. What is the function of the mitochondria?
A. To synthesize proteins
Correct B. To generate energy for the cell
C. To store genetic information
D. To regulate cell growth

Correct Answer: B

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Question 15 View Details
A diagram of a human eye is shown below. What is the function of the lens?
A. To detect light
Correct B. To focus light on the retina
C. To regulate pupil size
D. To control eye movement

Correct Answer: B

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Question 16 View Details
In a population of 1000 individuals, 200 are heterozygous for a particular gene, 300 are homozygous dominant, and 500 are homozygous recessive. What is the frequency of the recessive allele?
A. 0.2
B. 0.3
Correct C. 0.5
D. 0.6

Correct Answer: C

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Question 17 View Details
A researcher is studying the effect of pH on the growth of a microorganism. The researcher observes that the microorganism grows best at a pH of 7.5. What type of environment would this microorganism likely thrive in?
Correct A. Neutral soil
B. Acidic soil
C. Basic soil
D. Neutral water

Correct Answer: A

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Question 18 View Details
A patient is diagnosed with a rare genetic disorder that affects the production of a specific enzyme. The patient's enzyme is 90% functional, while the normal enzyme is 100% functional. What is the probability that the patient's offspring will inherit the mutated gene?
A. 0.5
B. 0.6
C. 0.7
Correct D. 0.8

Correct Answer: D

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Question 19 View Details
A researcher is studying the effect of temperature on the growth of a microorganism. The researcher observes that the microorganism grows best at a temperature of 25°C. What type of environment would this microorganism likely thrive in?
Correct A. Tropical rainforest
B. Temperate grassland
C. Arctic tundra
D. Desert

Correct Answer: A

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Question 20 View Details
A patient is diagnosed with a rare genetic disorder that affects the production of a specific enzyme. The patient's enzyme is 80% functional, while the normal enzyme is 100% functional. What is the probability that the patient's offspring will inherit the mutated gene?
A. 0.4
B. 0.5
C. 0.6
Correct D. 0.7

Correct Answer: D

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Question 21 View Details
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'?
Correct A. 0.64
B. 0.36
C. 0.16
D. 0.04

Correct Answer: A

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Question 22 View Details
A researcher is studying the effect of pH on the growth of E. coli. The data shows that the growth rate is highest at pH 7 and decreases as the pH deviates from 7. Which of the following best describes the relationship between pH and growth rate?
A. Directly proportional
B. Inversely proportional
C. No relationship
Correct D. U-shaped

Correct Answer: D

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Question 23 View Details
A diagram of a plant cell is shown below. Which of the following organelles is responsible for protein synthesis?
A. Nucleus
Correct B. Ribosome
C. Mitochondria
D. Endoplasmic reticulum

Correct Answer: B

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Question 24 View Details
A researcher is studying the effect of temperature on the rate of a chemical reaction. The data shows that the rate of reaction increases as the temperature increases. Which of the following best describes the relationship between temperature and reaction rate?
Correct A. Directly proportional
B. Inversely proportional
C. No relationship
D. U-shaped

Correct Answer: A

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Question 25 View Details
A diagram of a human brain is shown below. Which of the following parts of the brain is responsible for controlling voluntary movements?
Correct A. Cerebrum
B. Cerebellum
C. Brainstem
D. Spinal cord

Correct Answer: A

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