POST UTME NOUN 2019 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The sense organ responsible for detecting changes in sound waves is:
A. Eye
B. Ear
C. Nose
D. Skin
Question 2
The hormone responsible for regulating the growth and development of the body is:
A. Insulin
B. Ghrelin
C. Growth Hormone
D. Adrenaline
Question 3
In a typical plant cell, the process of photosynthesis occurs in the following organelle:
A. Mitochondria
B. Chloroplast
C. Nucleus
D. Vacuole
Question 4
A population of bacteria is growing exponentially. If the initial population is 100 and the growth rate is 0.2 per hour, what is the population after 5 hours?
A. 1000
B. 2000
C. 5000
D. 10000
Question 5
A 50-year-old woman presents with symptoms of malabsorption, including weight loss and diarrhea. Her doctor orders a series of tests, including a biopsy of the small intestine. What is the most likely diagnosis?
A. Celiac disease
B. Crohn's disease
C. Ulcerative colitis
D. Whipple's disease
Question 6
The sense organ responsible for detecting changes in light intensity is:
A. Eye
B. Ear
C. Nose
D. Skin
Question 7
In a tropical rainforest e\cosystem, the primary producers are primarily composed of which of the following?
A. Herbivores
B. Decomposers
C. Producers (plants and algae)
D. Omnivores
Question 8
The process by which the body gets rid of waste products and excess subs\tances is called:
A. Respiration
B. Photosynthesis
C. Excretion
D. Osmosis
Question 9
The process by which plants release water vapor into the air is known as
A. Transpiration
B. Respiration
C. Photosynthesis
D. Evaporation
Question 10
A 30-year-old man is admitted to the hospital with symptoms of acute kidney injury. His doctor orders a series of tests, including a urinalysis and a blood test. What is the most likely cause of his condition?
A. Dehydration
B. Diabetes mellitus
C. Medication side effect
D. Urinary tract obstruction
Question 11
A 50-year-old woman has a 5-year history of hypertension. She is currently taking 10 mg of li\sinopril daily. What is the expected effect of this medication on her blood pressure?
A. Decrease by 10 mmHg
B. Decrease by 20 mmHg
C. Decrease by 30 mmHg
D. No change
Question 12
The process by which the body gets rid of excess heat through sweating is called:
A. Respiration
B. Photosynthesis
C. Evaporation
D. Osmosis
Question 13
A 30-year-old man has a 10-year history of type 2 diabetes. He is currently taking 50 mg of metformin daily. What is the expected effect of this medication on his blood glu\cose levels?
A. Decrease by 10 mg/dL
B. Decrease by 20 mg/dL
C. Decrease by 30 mg/dL
D. No change
Question 14
The hormone responsible for regulating the reproductive cycle in females is:
A. Insulin
B. Ghrelin
C. Estrogen
D. Progesterone
Question 15
The process by which the body gets rid of excess water is called:
A. Respiration
B. Photosynthesis
C. Osmosis
D. Evaporation

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