POST UTME FUTA 2020 Biology | Objective

Are you preparing for POST UTME FUTA exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2020 Biology (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1
In a population of 1000 bacteria, 80% are sensitive to antibiotic A, 70% are resis\tant to antibiotic B, and 40% are resis\tant to both. What is the probability that a randomly selected bacterium is resis\tant to at least one of the antibiotics?
Correct A. 0.48
B. 0.52
C. 0.60
D. 0.68

Correct Answer: A

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Question 2
A 5.0-mL sample of blood is drawn from a patient and mixed with 10.0 mL of saline solution. If the hematocrit of the patient is 45%, what is the concentration of red blood cells in the mixture?
A. 2.25%
B. 3.75%
Correct C. 4.50%
D. 5.25%

Correct Answer: C

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Question 3
A diagram of the xylem and phloem tissues in a plant stem is shown below. Which of the following is a function of the xylem tissue?
Correct A. Transporting water and minerals from the roots to the leaves
B. Transporting sugars and other organic compounds from the leaves to the roots
C. Supporting the structure of the plant
D. Regulating the plant's water balance

Correct Answer: A

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Question 4
A diagram of the human eye is shown below. Which of the following is a function of the lens?
Correct A. Focu\sing light onto the retina
B. Regulating the amount of light entering the eye
C. Supporting the structure of the eye
D. Producing tears to lubricate the eye

Correct Answer: A

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Question 5
A diagram of the water cycle is shown below. Which of the following is a process that occurs during the water cycle?
A. Evaporation of water from the surface of the Earth
B. Condensation of water vapor into clouds
Correct C. Precipitation of water from the atmosphere back to the Earth
D. Runoff of water from the land into bodies of water

Correct Answer: C

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Question 6
In a eukaryotic cell, the process of mitosis is initiated by the breakdown of the nuclear envelope, which is triggered by the activation of the Δπαλλειτερ \( anaphase-promoting complex \). What is the primary function of the Δπαλλειτερ in this context?
Correct A. To degrade the cohe\sin complex that holds sister chromatids together
B. To activate the kinetochore proteins that attach microtubules to the centromere
C. To phosphorylate the histone proteins that condense chromatin
D. To recruit the spindle checkpoint proteins that monitor chromosome alignment

Correct Answer: A

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Question 7
A plant cell is placed in a solution with a high concentration of sucrose. What is the primary effect on the cell membrane?
A. The cell membrane becomes more permeable to water
Correct B. The cell membrane becomes less permeable to water
C. The cell membrane becomes more permeable to sucrose
D. The cell membrane becomes less permeable to sucrose

Correct Answer: B

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Question 8
A neuron is stimulated by an action potential that travels along its axon. What is the primary effect on the neuron's membrane potential?
A. The membrane potential becomes more negative
Correct B. The membrane potential becomes less negative
C. The membrane potential remains unchanged
D. The membrane potential becomes more positive

Correct Answer: B

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Question 9
A population of rabbits is introduced to a new island with an abundance of food and no natural predators. What is the primary effect on the population growth rate?
Correct A. The population growth rate increases exponentially
B. The population growth rate increases linearly
C. The population growth rate remains cons\tant
D. The population growth rate decreases exponentially

Correct Answer: A

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Question 10
A plant undergoes a process of photosynthesis, converting light energy into chemical energy. What is the primary byproduct of this process?
Correct A. Glu\cose and oxygen
B. Glu\cose and carbon dioxide
C. Oxygen and carbon dioxide
D. Glu\cose and water

Correct Answer: A

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Question 11
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?
Correct A. 0.36
B. 0.64
C. 0.72
D. 0.84

Correct Answer: A

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Question 12
A 2-year-old child is brought to the pediatrician with a history of frequent infections. Physical examination reveals a small thymus and a small spleen. What is the most likely diagnosis?
Correct A. DiGeorge syndrome
B. Severe combined immunodeficiency
C. Leukemia
D. Lymphoma

Correct Answer: A

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Question 13
A 35-year-old woman presents with a 2-year history of progressive weakness and fatigue. Physical examination reveals a large goiter. What is the most likely diagnosis?
Correct A. Hashimoto's thyroiditis
B. Graves' disease
C. Thyroid cancer
D. Thyroiditis

Correct Answer: A

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Question 14
A 50-year-old man presents with a 10-year history of progressive shortness of breath. Physical examination reveals a large cardiac silhouette. What is the most likely diagnosis?
A. Hypertrophic cardiomyopathy
Correct B. Dilated cardiomyopathy
C. Coronary artery disease
D. Cardiac tamponade

Correct Answer: B

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Question 15
A 25-year-old woman presents with a 5-year history of progressive memory loss. Physical examination reveals a large head circumference. What is the most likely diagnosis?
A. Alzheimer's disease
B. Frontotemporal dementia
Correct C. Huntington's disease
D. Creutzfeldt-Jakob disease

Correct Answer: C

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Question 16
The process of cellular respiration in plants involves the breakdown of glu\cose to produce ATP, NADH, and FADH2. Which of the following is a key enzyme involved in the citric acid cycle?
A. Pyruvate Dehydrogenase
B. Isocitrate Dehydrogenase
Correct C. Alpha-Ketoglutarate Dehydrogenase
D. Succinate Dehydrogenase

Correct Answer: C

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Question 17
In the context of evolutionary theory, what is the term for the process by which a population becomes reproductively isolated from other populations, leading to the formation of new species?
Correct A. Speciation
B. Adaptation
C. Mutation
D. Genetic Drift

Correct Answer: A

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Question 18
The nervous system of humans is composed of the central nervous system (CNS) and the peripheral nervous system (PNS). Which of the following is a type of neuron found in the PNS?
A. Motor Neuron
Correct B. Sensory Neuron
C. Interneuron
D. Glia Cell

Correct Answer: B

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Question 19
The process of photosynthesis in plants involves the conversion of light energy into chemical energy. Which of the following is a key pigment involved in this process?
Correct A. Chlorophyll a
B. Chlorophyll b
C. Carotenoids
D. Phycobiliproteins

Correct Answer: A

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Question 20
The classification of living things involves the grouping of organisms based on their shared characteristics. Which of the following is a level of classification?
Correct A. Domain
B. Kingdom
C. Phylum
D. Species

Correct Answer: A

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Question 21
In asexual reproduction, what is the primary mechanism by which genetic variation is introduced?
A. Mutation
Correct B. Genetic recombination
C. Gene duplication
D. Gene deletion

Correct Answer: B

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Question 22
The diagram below shows a cross-section of a plant root. Identify the tissue labeled 'A'.
Correct A. Cortex
B. Endodermis
C. Pericycle
D. Xylem

Correct Answer: A

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Question 23
In the classification of living things, what is the primary criterion used to distinguish between kingdoms?
Correct A. Cell structure
B. Metabolism
C. Reproduction
D. Cellular organization

Correct Answer: A

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Question 24
The equation for the diffusion of oxygen across the alveolar-capillary membrane is given by Fick's law. What is the symbol for the diffusion coefficient?
A. D
Correct B. \( D \)
C. \( k \)
D. \( \frac{1}{D} \)

Correct Answer: B

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Question 25
In the transport of subs\tances across the plasma membrane, what is the primary mechanism by which water and ions are transported?
A. Passive transport
B. Active transport
Correct C. Osmosis
D. Facilitated diffusion

Correct Answer: C

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