POST UTME BABCOCK UNIVERSITY 2020 Biology | Objective

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:
A. Mitosis
B. Meiosis
C. Binary Fission
D. Endoreduplication
Question 2
A researcher is studying the effect of temperature on the rate of chemical reactions. The researcher measures the rate of reaction at different temperatures and plots the data on a graph. Which of the following best describes the relationship between temperature and reaction rate?
A. Inversely proportional
B. Directly proportional
C. No relationship
D. U-shaped
Question 3
In the context of hormonal coordination, what is the primary function of the hypothalamic-pituitary-adrenal (HPA) axis?
A. Regulation of body temperature
B. Stimulation of the immune system
C. Maintenance of homeostasis through the release of hormones
D. Inhibition of the reproductive system
Question 4
The diagram below shows the structure of a plant cell. Which of the following is the function of the vacuole?
A. To synthesize proteins
B. To store genetic information
C. To store water and nutrients
D. To synthesize chlorophyll
Question 5
A 30-year-old woman presents with a 3-year history of progressive shortness of breath, fatigue, and swelling of the legs. Her chest X-ray shows cardiomegaly. Which of the following is the most likely diagnosis?
A. Cor Pulmonale
B. Congestive Heart Failure
C. Cardiomyopathy
D. Pulmonary Embolism
Question 6
A researcher is studying the effect of pH on the growth of E. coli. The researcher measures the growth of the bacteria in different pH levels and plots the data on a graph. Which of the following best describes the relationship between pH and bacterial growth?
A. Inversely proportional
B. Directly proportional
C. No relationship
D. U-shaped
Question 7
A diagram of the human heart is shown below. What is the primary function of the atrioventricular (AV) node?
A. Regulation of heart rate
B. Maintenance of blood pressure
C. Transmission of electrical signals from the atria to the ventricles
D. Production of hormones
Question 8
The type of tissue that is composed of nerve cells is known as:
A. Epithelial Tissue
B. Connective Tissue
C. Muscle Tissue
D. Nervous Tissue
Question 9
The type of tissue that connects, supports, and binds other tissues together is called
A. Epithelial Tissue
B. Connective Tissue
C. Muscle Tissue
D. Nervous Tissue
Question 10
A 30-year-old woman presents with a 3-year history of progressive shortness of breath, fatigue, and swelling of the legs. Her chest X-ray shows cardiomegaly. Which of the following is the most likely diagnosis?
A. Cor Pulmonale
B. Congestive Heart Failure
C. Cardiomyopathy
D. Pulmonary Embolism
Question 11
The process by which an organism becomes dep\endent on a particular subs\tance is called
A. Addiction
B. Tolerance
C. Withdrawal
D. Dep\endence
Question 12
In a photosynthetic pathway, which of the following pigments is responsible for absorbing light energy in the blue-violet region of the visible spectrum?
A. Chlorophyll a
B. Chlorophyll b
C. Carotenoids
D. Phycobiliproteins
Question 13
The process by which an organism becomes better adapted to its environment is known as:
A. Natural Selection
B. Genetic Drift
C. Gene Flow
D. Mutation
Question 14
The process by which plants convert light energy into chemical energy is called
A. Respiration
B. Photosynthesis
C. Transpiration
D. Osmosis
Question 15
A 25-year-old man presents with a 2-year history of progressive weakness and wasting of the muscles of the face, arms, and legs. His speech is slurred, and he has difficulty swallowing. Which of the following is the most likely diagnosis?
A. Amyotrophic Lateral Sclerosis (ALS)
B. Muscular Dystrophy
C. Myasthenia Gravis
D. Guillain-Barré Syndrome

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