POST UTME IGBINEDION UNIVERSITY 2022 Biology | Objective

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Question 1 View Details
In the context of hormonal coordination, what is the primary function of the hypothalamus?
A. Regulation of body temperature
B. Stimulation of appetite
Correct C. Regulation of hormone secretion
D. Control of sleep-wake cycles

Correct Answer: C

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Question 2 View Details
A plant is placed in a solution with a pH of 5.5. Which of the following best describes the plant's response?
A. The plant will grow normally
B. The plant will grow slowly
C. The plant will grow rapidly
Correct D. The plant will not grow

Correct Answer: D

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Question 3 View Details
A diagram of a human brain is shown below. Identify the part labeled A.
Correct A. Cerebrum
B. Cerebellum
C. Brainstem
D. Frontal lobe

Correct Answer: A

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Question 4 View Details
A diagram of a plant's xylem is shown below. Identify the part labeled B.
A. Tracheids
Correct B. Vessel elements
C. Xylem parenchyma
D. Phloem

Correct Answer: B

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Question 5 View Details
A diagram of a human digestive system is shown below. Identify the part labeled C.
A. Mouth
B. Esophagus
Correct C. Small intestine
D. Large intestine

Correct Answer: C

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

Correct Answer: A

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Question 7 View Details
The process by which plants convert light energy into chemical energy is known as
A. Respiration
Correct B. Photosynthesis
C. Transpiration
D. Osmosis

Correct Answer: B

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Question 8 View Details
The type of tissue that connects, supports, and binds other tissues together is known as
A. Epithelial Tissue
Correct B. Connective Tissue
C. Muscle Tissue
D. Nervous Tissue

Correct Answer: B

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Question 9 View Details
The sense organ responsible for detecting changes in sound waves is known as
A. Eye
Correct B. Ear
C. Nose
D. Tongue

Correct Answer: B

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Question 10 View Details
The process by which plants release water vapor into the air is known as
A. Respiration
B. Photosynthesis
Correct C. Transpiration
D. Osmosis

Correct Answer: C

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Question 11 View Details
In the context of evolutionary theories, what is the primary mechanism by which natural selection acts on populations?
A. Genetic drift
B. Mutation
C. Gene flow
Correct D. Differential reproduction

Correct Answer: D

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Question 12 View Details
What is the primary function of the excretory system in humans?
A. To regulate body temperature
B. To maintain acid-base balance
Correct C. To remove waste products
D. To produce hormones

Correct Answer: C

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Question 13 View Details
In the context of eco\logy, what is the term for the process by which plants convert light energy into chemical energy?
A. Respiration
Correct B. Photosynthesis
C. Decomposition
D. Fermentation

Correct Answer: B

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Question 14 View Details
What is the primary mechanism by which microorganisms cause disease in humans?
Correct A. Invasion of host cells
B. Toxin production
C. Immune system suppression
D. Antibiotic resis\tance

Correct Answer: A

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Question 15 View Details
In the context of classification of living things, what is the term for the process by which organisms are grouped based on their shared characteristics?
A. Phy\logeny
Correct B. Taxonomy
C. Phy\logenetics
D. Systematics

Correct Answer: B

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Question 16 View Details
In a eukaryotic cell, the process of cell division that results in the production of four daughter cells, each with the same number and kind of chromosomes as the parent cell, is called
Correct A. Mitosis
B. Meiosis
C. Binary Fission
D. Endoreduplication

Correct Answer: A

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Question 17 View Details
The xylem in plants is responsible for transporting
Correct A. Water and minerals from the roots to the leaves
B. Sugars and other organic compounds from the leaves to the roots
C. Hormones and other signaling molecules throughout the plant
D. Waste products and excess ions from the leaves to the roots

Correct Answer: A

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Question 18 View Details
The theory of evolution by natural selection was first proposed by
Correct A. Charles Darwin
B. Gregor M\endel
C. Jean-Baptiste Lamarck
D. Alfred Russel Wallace

Correct Answer: A

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Question 19 View Details
The process by which plants convert light energy into chemical energy is called
Correct A. Photosynthesis
B. Respiration
C. Transpiration
D. Translocation

Correct Answer: A

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Question 20 View Details
The e\cosystem that is characterized by a large number of species, a complex food web, and a high level of biodiversity is called
A. Tundra
B. Desert
Correct C. Rainforest
D. Grassland

Correct Answer: C

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Question 21 View Details
The process by which an organism's genetic information is passed from one generation to the next is called
A. Heritability
Correct B. Inheri\tance
C. Mutation
D. Genetic drift

Correct Answer: B

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Question 22 View Details
The type of symbiotic relationship in which one organism benefits and the other is harmed is called
A. Mutualism
B. Commensalism
Correct C. Parasitism
D. Amensalism

Correct Answer: C

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Question 23 View Details
The process by which an organism's cells become specialized to perform specific functions is called
Correct A. Differentiation
B. Mitosis
C. Meiosis
D. Apoptosis

Correct Answer: A

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Question 24 View Details
The type of eco\logical community that is characterized by a small number of species, a simple food web, and a low level of biodiversity is called
A. Tundra
Correct B. Desert
C. Rainforest
D. Grassland

Correct Answer: B

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Question 25 View Details
The process by which an organism's cells become damaged or die is called
A. Apoptosis
B. Mitosis
C. Meiosis
Correct D. Necrosis

Correct Answer: D

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