POST UTME UI 2022 Biology | Objective

Are you preparing for POST UTME UI exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2022 Biology (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1
In the xylem transport system, what is the primary function of the tracheids?
Correct A. To transport water and minerals from the roots to the leaves
B. To store food and water in the plant
C. To provide structural support to the plant
D. To regulate the rate of transpiration

Correct Answer: A

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Question 2
What is the process by which a cell divides into two daughter cells of equal size?
Correct A. Mitosis
B. Meiosis
C. Binary fission
D. Endoreduplication

Correct Answer: A

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Question 3
In the e\cosystem, what is the term for the process by which dead plants and animals are broken down into simpler subs\tances?
Correct A. Decomposition
B. Respiration
C. Photosynthesis
D. Fermentation

Correct Answer: A

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Question 4
What is the term for the process by which an organism produces offspring without the involvement of gametes?
Correct A. Asexual reproduction
B. Sexual reproduction
C. Binary fission
D. Budding

Correct Answer: A

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Question 5
In the human body, what is the term for the network of blood vessels that carries oxygen and nutrients to the cells?
A. Arterial system
B. Venous system
Correct C. Capillary system
D. Lymphatic system

Correct Answer: C

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Question 6
The process of hormonal coordination in the human body involves the release of hormones from the hypothalamus, which then stimulate the release of other hormones from the pituitary gland. Which of the following hormones is responsible for stimulating the release of growth hormone from the pituitary gland?
Correct A. Growth hormone-relea\sing hormone (GHRH)
B. Growth hormone-inhibiting hormone (GHIH)
C. Thyroid-stimulating hormone (TSH)
D. Adrenocorticotropic hormone (ACTH)

Correct Answer: A

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Question 7
The human eye has a unique structure that allows it to detect light and transmit visual information to the brain. Which of the following parts of the eye is responsible for b\ending light rays so that they can be focused on the retina?
A. Cornea
B. Iris
Correct C. Lens
D. Retina

Correct Answer: C

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Question 8
The process of asexual reproduction involves the production of offspring without the involvement of gametes. Which of the following methods of asexual reproduction involves the production of offspring through the fragmentation of a parent organism?
A. Budding
B. Binary fission
Correct C. Fragmentation
D. Regeneration

Correct Answer: C

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Question 9
The theory of evolution by natural selection proposes that populations of organisms evolve over time through the process of variation, mutation, genetic drift, and gene flow. Which of the following is an example of genetic drift?
A. Mutation
B. Gene flow
Correct C. Genetic drift
D. Artificial selection

Correct Answer: C

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Question 10
The classification of living things involves the grouping of organisms based on their shared characteristics and evolutionary relationships. Which of the following is an example of a domain in the classification of living things?
A. Kingdom
B. Phylum
Correct C. Domain
D. Species

Correct Answer: C

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Question 11
The process of asexual reproduction in which a new individual is formed from a part of a parent's body, such as budding or fragmentation, is an example of what type of reproduction?
A. Binary Fission
B. Mitosis
C. Regeneration
Correct D. Fragmentation

Correct Answer: D

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Question 12
The xylem in plants is responsible for transporting what subs\tance from the roots to the leaves?
Correct A. Water
B. Minerals
C. Sugars
D. Proteins

Correct Answer: A

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Question 13
The theory of evolution by natural selection was first proposed by what scientist in the 19th century?
Correct A. Charles Darwin
B. Gregor M\endel
C. Jean-Baptiste Lamarck
D. Alfred Russel Wallace

Correct Answer: A

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Question 14
The process of growth and development in plants is controlled by what type of hormone?
Correct A. Auxin
B. Gibberellin
C. Cytokinin
D. Ethylene

Correct Answer: A

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Question 15
The sense organ responsible for detecting changes in temperature is the?
A. Eye
B. Ear
C. Nose
Correct D. Skin

Correct Answer: D

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Question 16
In a eukaryotic cell, the process of mitosis involves the separation of chromosomes into two daughter cells. Which of the following stages of mitosis is characterized by the alignment of chromosomes at the metaphase plate?
A. Prophase
Correct B. Metaphase
C. Anaphase
D. Telophase

Correct Answer: B

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Question 17
A researcher is studying the effect of pH on the growth of a microorganism. Which of the following types of eco\logical niches would be most relevant to this study?
A. Habitat
Correct B. Niche
C. E\cosystem
D. Biome

Correct Answer: B

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Question 18
A diagram of a plant cell is shown below. Which of the following organelles is responsible for the synthesis of proteins?
A. Nucleus
Correct B. Ribosome
C. Mitochondria
D. Chloroplast

Correct Answer: B

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Question 19
A diagram of a human eye is shown below. Which of the following structures is responsible for detecting light?
A. Cornea
B. Iris
Correct C. Retina
D. Lens

Correct Answer: C

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Question 20
A researcher is studying the effect of temperature on the growth of a microorganism. Which of the following types of eco\logical niches would be most relevant to this study?
A. Habitat
Correct B. Niche
C. E\cosystem
D. Biome

Correct Answer: B

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Question 21
In the context of xylem transport, what is the primary mechanism by which water and minerals are absorbed by the roots and transported to the leaves?
Correct A. Transpiration pull
B. Root pressure
C. Capillary action
D. Osmosis

Correct Answer: A

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Question 22
A plant cell undergoes mitosis to produce two daughter cells. What is the correct order of the stages of mitosis?
Correct A. Prophase, metaphase, anaphase, telophase
B. Prophase, anaphase, metaphase, telophase
C. Metaphase, prophase, anaphase, telophase
D. Telophase, anaphase, metaphase, prophase

Correct Answer: A

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Question 23
A population of rabbits is growing at a rate of 20% per year. If the current population is 1000 rabbits, what will be the population after 5 years?
A. 1620
B. 2000
C. 2500
Correct D. 3000

Correct Answer: D

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Question 24
A diagram shows a plant cell with a large central vacuole. What is the function of the vacuole?
Correct A. Storage of water and nutrients
B. Production of ATP
C. Regulation of cell turgor pressure
D. Synthesis of proteins

Correct Answer: A

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Question 25
A genetic cross between two pea plants shows a 3:1 ratio of tall to short plants. What is the genotype of the parent plants?
A. TT:tt
Correct B. Tt:tt
C. TT:Tt
D. tt:Tt

Correct Answer: B

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