POST UTME BELLS UNIVERSITY 2018 Biology | Objective

Are you preparing for POST UTME BELLS UNIVERSITY exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2018 Biology (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1
In the context of tissue organization, which of the following types of tissue is primarily responsible for the production of hormones?
A. Connective tissue
Correct B. Epithelial tissue
C. Muscle tissue
D. Nervous tissue

Correct Answer: B

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Question 2
Asexual reproduction in plants can occur through which of the following methods?
A. Budding
B. Fragmentation
C. Spore formation
Correct D. All of the above

Correct Answer: D

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Question 3
The process of mitosis results in the production of which type of cell?
Correct A. Somatic cell
B. Germ cell
C. Tissue cell
D. Organ cell

Correct Answer: A

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Question 4
The diagram below represents a cross-section of a plant root. Which of the following structures is responsible for the absorption of water and minerals from the soil?
Correct A. Xylem
B. Phloem
C. Cortex
D. Endodermis

Correct Answer: A

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Question 5
The process of meiosis results in the production of which type of cell?
A. Somatic cell
Correct B. Germ cell
C. Tissue cell
D. Organ cell

Correct Answer: B

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Question 6
In the process of cellular respiration, which of the following is the primary function of the mitochondria?
Correct A. To synthesize ATP
B. To break down glu\cose
C. To regulate cell growth
D. To maintain cell membrane integrity

Correct Answer: A

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Question 7
Which of the following types of tissue is primarily responsible for the production of hormones in the \endocrine system?
A. Connective tissue
Correct B. Epithelial tissue
C. Muscle tissue
D. Nervous tissue

Correct Answer: B

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Question 8
In the process of excretion, which of the following organs is primarily responsible for filtering waste products from the blood?
Correct A. Kidneys
B. Liver
C. Lungs
D. Skin

Correct Answer: A

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Question 9
Which of the following types of classification is based on the presence or absence of a nucleus in cells?
A. Binary classification
B. Ternary classification
C. Quaternary classification
Correct D. Prokaryotic vs. Eukaryotic classification

Correct Answer: D

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Question 10
In the process of coordination, which of the following types of signals is primarily responsible for transmitting information from the brain to muscles?
A. Hormonal signals
Correct B. Neurotransmitter signals
C. Electrical signals
D. Chemical signals

Correct Answer: B

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Question 11
In a tropical rainforest, the primary consumers are primarily composed of which of the following?
Correct A. Herbivorous insects
B. Fruit-eating birds
C. Small mammals
D. Decomposers

Correct Answer: A

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Question 12
The diagram below shows the structure of a plant cell. Which of the following organelles is responsible for photosynthesis?
A. Mitochondria
Correct B. Chloroplast
C. Vacuole
D. Nucleus

Correct Answer: B

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Question 13
The nervous system is responsible for which of the following functions?
A. Regulation of body temperature
B. Maintenance of homeostasis
C. Control of voluntary movements
Correct D. All of the above

Correct Answer: D

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Question 14
The diagram below shows the structure of a kidney. Which of the following parts is responsible for filtering waste products from the blood?
Correct A. Glomerulus
B. Proximal convoluted tubule
C. Distal convoluted tubule
D. Collecting duct

Correct Answer: A

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

Correct Answer: A

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Question 16
In the context of gas exchange, what is the primary function of the alveolar-capillary membrane?
A. To regulate the pH of the blood
Correct B. To facilitate the diffusion of oxygen into the blood
C. To remove carbon dioxide from the blood
D. To produce surfac\tant

Correct Answer: B

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Question 17
A diagram of the human eye is shown below. What is the function of the part labeled 'A'?
Correct A. To focus light on the retina
B. To regulate the amount of light entering the eye
C. To produce tears
D. To move the eye

Correct Answer: A

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Question 18
In the process of asexual reproduction, what is the primary advantage of budding in yeast?
Correct A. It allows for the production of multiple offspring
B. It enables the yeast to adapt to changing environments
C. It increases the yeast's resis\tance to disease
D. It enhances the yeast's ability to ferment sugars

Correct Answer: A

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Question 19
A diagram of the human brain is shown below. What is the function of the part labeled 'B'?
A. To regulate body temperature
Correct B. To control movement and balance
C. To process sensory information
D. To produce hormones

Correct Answer: B

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Question 20
In the context of classification, what is the primary difference between a species and a genus?
Correct A. A species is a group of organisms that can interbreed, while a genus is a group of related species
B. A species is a group of organisms that share a common ancestor, while a genus is a group of organisms that share a common characteristic
C. A species is a group of organisms that are adapted to a specific environment, while a genus is a group of organisms that are adapted to a specific diet
D. A species is a group of organisms that are able to reproduce, while a genus is a group of organisms that are able to evolve

Correct Answer: A

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Question 21
In the context of hormonal coordination, what is the primary function of the hypothalamic-pituitary-adrenal (HPA) axis?
A. Regulation of body temperature
B. Maintenance of blood pressure
C. Stimulation of the immune system
Correct D. Regulation of the stress response

Correct Answer: D

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Question 22
A plant's ability to regulate its water content is an example of which type of osmoregulation?
A. Isotonic
B. Hypotonic
C. Hypertonic
Correct D. Osmoregulation

Correct Answer: D

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Question 23
The process by which a cell becomes specialized to perform a specific function is known as?
A. Mitosis
B. Meiosis
Correct C. Differentiation
D. Osmosis

Correct Answer: C

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Question 24
The xylem tissue in plants is responsible for?
Correct A. Transporting water and minerals from the roots to the leaves
B. Producing sugars through photosynthesis
C. Storing food and water
D. Regulating the plant's water content

Correct Answer: A

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Question 25
The process by which the body eliminates waste products is known as?
Correct A. Excretion
B. Osmoregulation
C. Regulation of body temperature
D. Maintenance of blood pressure

Correct Answer: A

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