POST UTME VERITAS UNIVERSITY 2018 Biology | Objective

Are you preparing for POST UTME VERITAS 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
A researcher studying the evolution of antibiotic resis\tance in bacteria discovers that the bacteria have developed a novel mechanism to pump out antibiotics. Which of the following best describes the type of natural selection that is occurring?
Correct A. Directional selection
B. Stabilizing selection
C. Disruptive selection
D. Balancing selection

Correct Answer: A

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Question 2
A plant has a genotype of BBRR. If the plant is self-pollinated, what is the probability that the offspring will have the genotype BBRR?
Correct A. 1/16
B. 1/8
C. 1/4
D. 1/2

Correct Answer: A

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Question 3
A diagram shows a cross-section of a forest e\cosystem. The diagram includes a tree, a rabbit, a hawk, and a decomposer. Which of the following best describes the role of the decomposer in the e\cosystem?
A. Primary producer
B. Primary consumer
C. Secondary consumer
Correct D. Decomposer

Correct Answer: D

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Question 4
A diagram shows a simple titration setup. The diagram includes a burette, a flask, and a pipette. Which of the following best describes the purpose of the burette in the setup?
Correct A. To measure the volume of the solution
B. To add the titrant to the solution
C. To mix the solution and the titrant
D. To measure the pH of the solution

Correct Answer: A

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Question 5
A diagram shows a simple circuit. The diagram includes a battery, a resistor, and a switch. Which of the following best describes the effect of clo\sing the switch on the circuit?
Correct A. The current in the circuit increases
B. The current in the circuit decreases
C. The voltage in the circuit increases
D. The voltage in the circuit decreases

Correct Answer: A

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Question 6
In the context of asexual reproduction, what is the primary advantage of budding in yeast?
A. Increased genetic diversity
B. Efficient use of resources
Correct C. Reduced energy exp\enditure
D. Improved survival rates

Correct Answer: C

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Question 7
A researcher is studying the effects of light intensity on plant growth. Which of the following biomes is most likely to exhibit the greatest variation in light intensity?
A. Tropical rainforest
B. Temperate deciduous forest
C. Grassland
Correct D. Desert

Correct Answer: D

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Question 8
A cell is in the G2 phase of the cell cycle. Which of the following events is most likely to occur?
A. DNA replication
Correct B. Mitosis
C. Interphase
D. G1 phase

Correct Answer: B

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Question 9
A population of rabbits is growing exponentially. If the initial population size is 100 and the growth rate is 20% per year, what will be the population size after 5 years?
A. 1000
B. 1200
C. 1500
Correct D. 2000

Correct Answer: D

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Question 10
A diagram of a plant cell is shown below. What is the function of the cell labeled 'A'?
Correct A. Photosynthesis
B. Respiration
C. Transpiration
D. Osmosis

Correct Answer: A

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Question 11
In the context of tissue structure, what is the primary function of the basement membrane in a epithelial tissue?
A. To provide structural support to the epithelial cells
Correct B. To facilitate the exchange of nutrients and waste products between the epithelial cells and the underlying connective tissue
C. To regulate the movement of ions and molecules across the epithelial layer
D. To provide a barrier against pathogens and toxins

Correct Answer: B

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Question 12
A 25-year-old woman presents with primary amenorrhea. Her karyotype is 46,XX. What is the most likely cause of her condition?
A. Turner syndrome
B. Androgen insensitivity syndrome
C. Congenital adrenal hyperplasia
Correct D. Mayer-Roki\tansky-Küster-Hauser syndrome

Correct Answer: D

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Question 13
A patient is diagnosed with a type of cancer that is characterized by the uncontrolled growth of cells in the epithelial layer of the skin. Which of the following is a hallmark of this type of cancer?
A. Invasion of adjacent tissues
B. Metastasis to dis\tant organs
Correct C. Uncontrolled cell division
D. Apoptosis

Correct Answer: C

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Question 14
A 30-year-old man presents with a history of recurrent infections. His white blood cell count is normal, but his neutrophil count is low. What is the most likely cause of his condition?
Correct A. Chronic granulomatous disease
B. Leukemia
C. Aplastic anemia
D. Immunodeficiency

Correct Answer: A

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Question 15
A patient is diagnosed with a type of anemia that is characterized by the destruction of red blood cells. Which of the following is a hallmark of this type of anemia?
A. Microcytic anemia
B. Macrocytic anemia
Correct C. Hemolytic anemia
D. Aplastic anemia

Correct Answer: C

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Question 16
In the xylem, water and minerals are transported from the roots to the leaves through a process called
A. osmosis
B. transpiration
Correct C. translocation
D. diffusion

Correct Answer: C

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Question 17
The diagram below shows a cross-section of a plant root. Identify the part labeled A.
A. epidermis
B. cortex
Correct C. \endodermis
D. pericycle

Correct Answer: C

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Question 18
The process by which plants release water vapor into the air is called
A. photosynthesis
B. respiration
Correct C. transpiration
D. translocation

Correct Answer: C

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Question 19
In the diagram below, identify the part labeled B.
A. stem
B. petiole
Correct C. blade
D. vein

Correct Answer: C

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Question 20
The diagram below shows a cross-section of a plant stem. Identify the part labeled C.
A. epidermis
B. cortex
Correct C. xylem
D. phloem

Correct Answer: C

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Question 21
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 22
The process by which plants convert light energy into chemical energy is known as
A. Respiration
Correct B. Photosynthesis
C. Transpiration
D. Translocation

Correct Answer: B

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Question 23
The type of tissue that connects, supports, and binds other tissues and organs 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 24
The process by which an organism's genetic information is passed from one generation to the next is known as
A. Mutation
B. Genetic Drift
C. Gene Flow
Correct D. Heritability

Correct Answer: D

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Question 25
The type of excretory system that removes waste products from the body through the process of filtration, reabsorption, and excretion is known as
Correct A. Nephron
B. Kidney
C. Ureter
D. Urinary Bladder

Correct Answer: A

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