POST UTME VERITAS UNIVERSITY 2019 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 2019 Biology (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1
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. Endosymbiosis

Correct Answer: A

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Question 2
The process by which plants convert light energy into chemical energy is known as
Correct A. Photosynthesis
B. Respiration
C. Transpiration
D. Osmosis

Correct Answer: A

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Question 3
The diagram below shows the structure of a plant cell. Identify the part labeled A
A. Cell Wall
B. Cytoplasm
Correct C. Nucleus
D. Mitochondria

Correct Answer: C

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Question 4
The process by which an organism maintains a stable internal environment despite changes in the external environment is known as
Correct A. Homeostasis
B. Osmoregulation
C. Excretion
D. Respiration

Correct Answer: A

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Question 5
The diagram below shows the structure of a human kidney. Identify the part labeled B
A. Nephron
Correct B. Renal Pelvis
C. Ureter
D. Bladder

Correct Answer: B

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Question 6
In a population of Drosophila melanogaster, the frequency of the recessive allele 'a' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype 'AA'?
Correct A. 0.64
B. 0.36
C. 0.16
D. 0.84

Correct Answer: A

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Question 7
A 2.5 L flask contains a mixture of O2 and N2 at 25°C and 1 atm. If 1.5 L of N2 is removed, what is the partial pressure of O2 in the flask?
Correct A. 0.7 atm
B. 0.5 atm
C. 0.3 atm
D. 0.2 atm

Correct Answer: A

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Question 8
A plant with the genotype 'Tt' is crossed with a plant with the genotype 'tt'. What is the probability that the offspring will have the genotype 'TT'?
Correct A. 0.25
B. 0.5
C. 0.75
D. 0.9

Correct Answer: A

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Question 9
A 50-year-old woman has a 10-year history of hypertension. Her blood pressure is 180/100 mmHg. What is the most likely cause of her hypertension?
Correct A. Renal artery stenosis
B. Aortic coarctation
C. Pheochromocytoma
D. Primary aldosteronism

Correct Answer: A

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Question 10
A 30-year-old man has a 5-year history of asthma. His peak expiratory flow rate is 200 L/min. What is the most likely cause of his asthma?
Correct A. Allergies
B. Occupational exposure
C. Genetic predisposition
D. Infectious agent

Correct Answer: A

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Question 11
In a typical terrestrial e\cosystem, what is the primary function of the symbiotic relationship between mycorrhizal fungi and plant roots?
Correct A. To obtain nutrients from the soil
B. To provide structural support to the plant
C. To facilitate gas exchange between the plant and atmosphere
D. To regulate water balance in the plant

Correct Answer: A

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Question 12
A 2.5 L flask contains 0.5 M HCl. If 25 mL of 1.5 M NaOH is added to the flask, what is the resulting concentration of the solution?
Correct A. 0.55 M
B. 0.65 M
C. 0.75 M
D. 0.85 M

Correct Answer: A

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Question 13
A plant grows in a pot with a mixture of soil and sand. If the plant's growth rate is 2 cm/day in soil and 1.5 cm/day in sand, what is the average growth rate of the plant in the mixture?
A. 1.4 cm/day
Correct B. 1.6 cm/day
C. 1.8 cm/day
D. 2.0 cm/day

Correct Answer: B

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Question 14
A 50 mL sample of a solution containing 0.1 M glu\cose is diluted to 100 mL. What is the resulting concentration of the solution?
Correct A. 0.05 M
B. 0.1 M
C. 0.15 M
D. 0.2 M

Correct Answer: A

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Question 15
A 5 L flask contains 0.5 M HCl. If 10 mL of 1.5 M NaOH is added to the flask, what is the resulting concentration of the solution?
Correct A. 0.55 M
B. 0.65 M
C. 0.75 M
D. 0.85 M

Correct Answer: A

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Question 16
In the context of evolutionary theory, what is the primary mechanism by which natural selection acts on genetic variation?
A. Genetic drift
B. Gene flow
C. Mutation
Correct D. Selection pressure

Correct Answer: D

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Question 17
A diagram of the human eye is shown below. Which part of the eye is responsible for detecting light?
A. Cornea
B. Iris
Correct C. Retina
D. Lens

Correct Answer: C

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Question 18
In the process of photosynthesis, what is the byproduct of the light-dep\endent reactions?
A. ATP
B. NADPH
Correct C. Oxygen
D. Glu\cose

Correct Answer: C

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Question 19
A diagram of the human digestive system is shown below. Which part of the digestive system is responsible for absorbing nutrients?
A. Mouth
B. Esophagus
C. Stomach
Correct D. Small intestine

Correct Answer: D

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Question 20
In the context of excretion, what is the primary function of the kidneys?
Correct A. To filter waste from the blood
B. To regulate blood pressure
C. To maintain electrolyte balance
D. To produce hormones

Correct Answer: A

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Question 21
The nervous system's coordination is primarily achieved through the
Correct A. release of neurotransmitters
B. synthesis of hormones
C. regulation of ion channels
D. stimulation of sensory receptors

Correct Answer: A

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Question 22
The process of genetic variation in a population is primarily driven by
Correct A. mutation
B. gene flow
C. natural selection
D. genetic drift

Correct Answer: A

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Question 23
The human body's circulatory system is responsible for
Correct A. transporting oxygen and nutrients to cells
B. removing waste products from the body
C. regulating body temperature
D. controlling blood pressure

Correct Answer: A

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Question 24
The process of photosynthesis in plants involves the conversion of
Correct A. carbon dioxide and water into glu\cose and oxygen
B. glu\cose and oxygen into carbon dioxide and water
C. carbon dioxide and oxygen into glu\cose and water
D. water and glu\cose into carbon dioxide and oxygen

Correct Answer: A

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Question 25
The human eye's structure allows for
Correct A. adjusting focus from near to far
B. detecting only red light
C. perceiving only black and white
D. seeing in complete darkness

Correct Answer: A

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