POST UTME ELIZADE UNIVERSITY 2021 Biology | Objective

Are you preparing for POST UTME ELIZADE UNIVERSITY exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2021 Biology (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1
In the process of cellular respiration, what is the primary function of the electron transport chain?
A. To generate ATP through substrate-level phosphorylation
Correct B. To generate ATP through oxidative phosphorylation
C. To reduce NADH to NAD+
D. To produce water as a byproduct

Correct Answer: B

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Question 2
A patient is diagnosed with a bacterial infection. The bacteria are gram-positive and have a thick peptidoglycan layer in their cell walls. What is the most likely cause of the infection?
Correct A. Staphylococcus aureus
B. Escherichia coli
C. Bacillus subtilis
D. Clostridium difficile

Correct Answer: A

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Question 3
A plant has a xylem sap with a high concentration of solutes. What is the primary function of the xylem sap in this plant?
Correct A. To transport water and minerals from the roots to the leaves
B. To transport sugars and amino acids from the leaves to the roots
C. To regulate the plant's water potential
D. To provide structural support to the plant

Correct Answer: A

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Question 4
A species of flowering plant has a reproductive strategy that involves the production of seeds without fertilization. What is the term for this reproductive strategy?
Correct A. Apomixis
B. Parthenogenesis
C. Endosymbiosis
D. Mutualism

Correct Answer: A

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Question 5
A bio\logist is studying the classification of living organisms. What is the primary function of the kingdom level in the classification system?
Correct A. To group organisms based on their cell structure
B. To group organisms based on their body structure
C. To group organisms based on their metabolic processes
D. To group organisms based on their genetic makeup

Correct Answer: A

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Question 6
In a eukaryotic cell, the process of cell division that results in the production of four daughter cells is called
Correct A. Mitosis
B. Meiosis
C. Binary Fission
D. Endoreduplication

Correct Answer: A

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Question 7
The process by which plants convert light energy into chemical energy is called
A. Respiration
Correct B. Photosynthesis
C. Transpiration
D. Translocation

Correct Answer: B

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Question 8
The structure that connects the phloem and xylem tissues in a plant is called
A. Xylem
B. Phloem
C. Cortex
Correct D. Pith

Correct Answer: D

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Question 9
The process by which the eye adjusts to changes in light intensity is called
Correct A. Accommodation
B. Convergence
C. Divergence
D. Pupil constriction

Correct Answer: A

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Question 10
The structure that produces urine in the human body is called
Correct A. Kidney
B. Liver
C. Pancreas
D. Spleen

Correct Answer: A

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Question 11
In the context of genetics, what is the primary function of the centriole during cell division?
Correct A. To form the spindle fibers
B. To replicate the DNA
C. To package the genetic material
D. To regulate the cell cycle

Correct Answer: A

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Question 12
Which of the following types of respiration is characterized by the breakdown of glu\cose to produce ATP in the presence of oxygen?
Correct A. Aerobic respiration
B. Anaerobic respiration
C. Fermentation
D. Photosynthesis

Correct Answer: A

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Question 13
What is the primary function of the Golgi apparatus in eukaryotic cells?
A. To synthesize proteins
B. To package genetic material
Correct C. To modify and package proteins
D. To regulate cell growth

Correct Answer: C

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Question 14
Which of the following types of classification is based on the physical characteristics of organisms?
A. Phy\logenetic classification
Correct B. Morpho\logical classification
C. Biogeographical classification
D. Eco\logical classification

Correct Answer: B

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Question 15
What is the process by which plants convert light energy into chemical energy?
A. Respiration
Correct B. Photosynthesis
C. Fermentation
D. Decomposition

Correct Answer: B

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Question 16
In the context of cell division, what is the primary function of the centrioles during the prophase stage of mitosis?
Correct A. To form the spindle fibers
B. To replicate the DNA
C. To condense the chromatin
D. To form the nuclear envelope

Correct Answer: A

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Question 17
A population of Drosophila melanogaster is being studied for its genetic variation. Which of the following genetic variations would be an example of a neutral mutation?
A. A point mutation that results in a premature stop codon
B. A frameshift mutation that results in a non-sense codon
Correct C. A silent mutation that does not change the amino acid sequence
D. A deletion mutation that results in the loss of a functional gene

Correct Answer: C

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Question 18
In the context of tissue engineering, what is the primary function of the scaffold in tissue regeneration?
A. To provide structural support to the tissue
Correct B. To promote cell adhesion and proliferation
C. To deliver growth factors and nutrients to the tissue
D. To remove waste products from the tissue

Correct Answer: B

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Question 19
A researcher is studying the genetic variation of a population of mice. Which of the following genetic variations would be an example of a balanced polymorphism?
A. A point mutation that results in a premature stop codon
B. A frameshift mutation that results in a non-sense codon
Correct C. A balanced polymorphism that results in a heterozygous individual
D. A deletion mutation that results in the loss of a functional gene

Correct Answer: C

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Question 20
In the context of reproductive bio\logy, what is the primary function of the zona pellucida in fertilization?
A. To provide structural support to the ovum
Correct B. To promote sperm binding and penetration
C. To regulate the release of the ovum from the ovary
D. To remove waste products from the ovum

Correct Answer: B

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Question 21
In the xylem, what is the primary function of the tracheids?
Correct A. To transport water and minerals from the roots to the leaves
B. To store water and nutrients in the plant
C. To facilitate gas exchange between the plant and the atmosphere
D. To regulate the plant's water potential

Correct Answer: A

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Question 22
What is the primary mechanism by which the nervous system coordinates the body's responses to stimuli?
A. The release of hormones from the \endocrine system
Correct B. The transmission of electrical signals through the nervous system
C. The contraction and relaxation of muscles
D. The exchange of gases between the body and the environment

Correct Answer: B

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Question 23
In the process of respiration, what is the primary function of the mitochondria?
Correct A. To generate ATP through the process of cellular respiration
B. To store energy in the form of glycogen
C. To transport oxygen from the lungs to the body's cells
D. To remove waste products from the body

Correct Answer: A

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Question 24
What is the primary mechanism by which the body regulates its growth and development?
Correct A. The release of growth hormones from the pituitary gland
B. The transmission of signals from the nervous system to the body's cells
C. The exchange of nutrients and waste products between the body and the environment
D. The contraction and relaxation of muscles

Correct Answer: A

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Question 25
In the process of photosynthesis, what is the primary function of the chloroplasts?
A. To generate ATP through the process of cellular respiration
B. To store energy in the form of glycogen
Correct C. To convert light energy into chemical energy
D. To remove waste products from the body

Correct Answer: C

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