POST UTME NILE UNIVERSITY 2019 Biology | Objective

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Question 1
The process by which the body regulates the amount of glu\cose in the blood is known as
A. Glu\cose Regulation
B. Insulin Regulation
C. Glucagon Regulation
D. Hormone Regulation
Question 2
In the context of cellular bio\logy, what is the term for the process by which a cell becomes specialized to perform a specific function?
A. Cell differentiation
B. Cell division
C. Cell growth
D. Cell death
Question 3
The reproductive system of humans is composed of the male and female reproductive organs. Which of the following is a characteristic of the male reproductive system?
A. It produces eggs
B. It produces sperm
C. It is composed of a uterus
D. It is composed of a vagina
Question 4
A bio\logist is studying the behavior of a population of rabbits. Which of the following factors is most likely to affect the population's growth rate?
A. Availability of food
B. Predation
C. Disease
D. Habitat quality
Question 5
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 rest of the body?
A. Aorta
B. Pulmonary artery
C. Coronary artery
D. Femoral artery
Question 6
The process of hormonal coordination in the human body involves the release of hormones from the hypothalamus, which then stimulate the pituitary gland to release other hormones. Which of the following hormones is responsible for stimulating the release of growth hormone from the anterior pituitary gland?
A. Growth Hormone-Relea\sing Hormone (GHRH)
B. Thyroid-Stimulating Hormone (TSH)
C. Adrenocorticotropic Hormone (ACTH)
D. Follicle-Stimulating Hormone (FSH)
Question 7
The process by which the body regulates the amount of water in the body is known as
A. Osmoregulation
B. Thermoregulation
C. Hemoregulation
D. Electrolyte Regulation
Question 8
The process of osmoregulation in humans involves the regulation of which of the following?
A. Water balance
B. Sodium balance
C. Potassium balance
D. All of the above
Question 9
A bio\logist is studying the morpho\logy of a plant cell. Which of the following structures is responsible for maintaining the cell's shape?
A. Cell wall
B. Plasma membrane
C. Cytoplasm
D. Vacuole
Question 10
The type of tissue found in the human liver that is responsible for detoxification and metabolism is known as
A. Parenchyma
B. Stroma
C. Connective Tissue
D. Epithelial Tissue
Question 11
In the context of cellular respiration, what is the primary function of the electron transport chain?
A. To generate ATP through substrate-level phosphorylation
B. To pump protons across the mitochondrial membrane
C. To produce NADH and FADH2
D. To reduce oxygen to water
Question 12
In the context of classification of living things, what is the primary criterion used to distinguish between the kingdoms Plantae and Animalia?
A. Cell wall presence
B. Cell membrane structure
C. Cell division method
D. Nutritional mode
Question 13
What is the primary function of the sense organ known as the vestibular apparatus?
A. Detection of changes in sound pressure
B. Maintenance of balance and orientation in space
C. Regulation of body temperature
D. Detection of light and color
Question 14
A diagram of a simple circuit is shown below. If the battery is replaced with a 9V battery, what will be the new voltage across the resistor?
A. 9V
B. 6V
C. 3V
D. 12V
Question 15
The process by which the body regulates the amount of water in the body is known as
A. Osmoregulation
B. Thermoregulation
C. Hemoregulation
D. Electrolyte Regulation

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