POST UTME AFE BABALOLA UNIVERSITY 2017 Biology | Objective

Are you preparing for POST UTME AFE BABALOLA UNIVERSITY exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2017 Biology (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1
A patient with a rare genetic disorder has a mutation in the HFE gene, leading to an accumulation of iron in the body. Which of the following is a likely consequence of this mutation?
Correct A. Hemochromatosis
B. Thalassemia
C. Sickle cell anemia
D. Cystic fibrosis

Correct Answer: A

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Question 2
In a plant, water is transported from the roots to the leaves through the xylem. What is the primary mechanism responsible for this process?
Correct A. Transpiration pull
B. Root pressure
C. Capillary action
D. Osmosis

Correct Answer: A

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Question 3
A population of bacteria is growing exponentially. If the initial population is 100 cells and the population doubles every 2 hours, what is the population after 6 hours?
A. 1000
B. 2000
Correct C. 4000
D. 8000

Correct Answer: C

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Question 4
A diagram of a plant cell is shown below. Which of the following organelles is responsible for protein synthesis?
A. Mitochondria
Correct B. Ribosome
C. Endoplasmic reticulum
D. Lysosome

Correct Answer: B

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Question 5
A patient is diagnosed with a genetic disorder that affects the production of a specific enzyme. Which of the following is a likely consequence of this disorder?
Correct A. Hemophilia
B. Sickle cell anemia
C. Cystic fibrosis
D. Tay-Sachs disease

Correct Answer: A

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Question 6
In the context of evolutionary bio\logy, what is the primary mechanism by which species adapt to their environment?
Correct A. Natural Selection
B. Genetic Drift
C. Mutation
D. Gene Flow

Correct Answer: A

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Question 7
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 8
In the context of plant transport systems, what is the primary function of the xylem?
Correct A. Transport of water and minerals from roots to leaves
B. Transport of sugars and amino acids from leaves to roots
C. Transport of ions and nutrients from soil to roots
D. Transport of waste products from leaves to roots

Correct Answer: A

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Question 9
A diagram of the human circulatory system is shown below. Which part of the system is responsible for transporting oxygenated blood from the lungs to the heart?
A. Pulmonary Veins
B. Pulmonary Arteries
C. Aorta
Correct D. Superior Vena Cava

Correct Answer: D

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Question 10
In the context of evolutionary bio\logy, what is the primary mechanism by which species adapt to their environment?
Correct A. Natural Selection
B. Genetic Drift
C. Mutation
D. Gene Flow

Correct Answer: A

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Question 11
A 20-year-old male patient presents with a 2-week history of fever, headache, and confusion. His blood culture reveals the presence of a gram-negative rod. Which of the following is the most likely cause of his symptoms?
A. Neisseria meningitidis
B. Haemophilus influenzae
Correct C. Escherichia coli
D. Pseudomonas aeruginosa

Correct Answer: C

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Question 12
A 35-year-old female patient presents with a 6-month history of diarrhea, weight loss, and abdominal pain. Her stool culture reveals the presence of a gram-positive rod. Which of the following is the most likely cause of her symptoms?
Correct A. Clostridioides difficile
B. Bacteroides fragilis
C. Escherichia coli
D. Staphylococcus aureus

Correct Answer: A

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Question 13
A 25-year-old male patient presents with a 3-month history of fatigue, weakness, and shortness of breath. His complete blood count reveals a hemoglobin level of 7.5 g/dL. Which of the following is the most likely cause of his symptoms?
Correct A. Iron deficiency anemia
B. Vitamin B12 deficiency anemia
C. Folate deficiency anemia
D. Sickle cell anemia

Correct Answer: A

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Question 14
A 30-year-old female patient presents with a 2-year history of infertility. Her semen analysis reveals a low sperm count. Which of the following is the most likely cause of her symptoms?
Correct A. Varicocele
B. Epididymitis
C. Prostatitis
D. Hypogonadism

Correct Answer: A

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Question 15
A 40-year-old male patient presents with a 5-year history of hypertension. His blood pressure is 180/100 mmHg. Which of the following is the most likely cause of his symptoms?
Correct A. Renal artery stenosis
B. Coarctation of the aorta
C. Hypertensive heart disease
D. Pheochromocytoma

Correct Answer: A

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