POST UTME AL-HIKMAH UNIVERSITY 2018 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A patient is diagnosed with a genetic disorder that affects the production of a specific enzyme. The patient's enzyme activity is 20% of the normal level. Which of the following is the most likely effect of this enzyme deficiency on the patient's body?
A. The patient will experience muscle weakness and fatigue
B. The patient will have difficulty digesting certain types of food
C. The patient will experience vision problems
D. The patient will have difficulty regulating body temperature
Question 2
The human body has a complex system of excretory organs that work together to remove waste products and excess subs\tances. Which of the following best describes the role of the kidneys in this system?
A. To filter waste products and excess subs\tances from the blood and excrete them in the urine.
B. To regulate the balance of electrolytes and water in the body.
C. To produce hormones that stimulate the growth and development of the body.
D. To store waste products and excess subs\tances for later excretion.
Question 3
A 35-year-old man presents with symptoms of hypertension. His blood pressure is 180/100 mmHg. Which of the following is the most likely cause of his hypertension?
A. Kidney disease
B. Heart disease
C. Diabetes
D. Genetic predisposition
Question 4
The type of tissue that is composed of nerve cells and their supporting cells is known as
A. Nervous tissue
B. Muscular tissue
C. Epithelial tissue
D. Connective tissue
Question 5
In a tropical rainforest e\cosystem, what is the primary role of the leaf's cuticle in relation to transpiration?
A. To prevent water loss through transpiration
B. To facilitate gas exchange for photosynthesis
C. To protect the leaf from excessive sunlight
D. To regulate the opening and clo\sing of stomata
Question 6
A genetic cross is performed between two pea plants, one with the genotype TT and the other with the genotype tt. What is the expected ratio of offspring?
A. 1:1
B. 3:1
C. 9:3:3:1
D. 1:3
Question 7
The human body has a complex system of organs that work together to maintain homeostasis. Which of the following best describes the role of the pancreas in this system?
A. To produce hormones that regulate blood sugar levels.
B. To produce digestive enzymes that break down food in the small intestine.
C. To store waste products and excess subs\tances for later excretion.
D. To regulate the balance of electrolytes and water in the body.
Question 8
A patient is diagnosed with a genetic disorder that affects the production of a specific enzyme. The patient's enzyme activity is 10% of the normal level. Which of the following is the most likely effect of this enzyme deficiency on the patient's body?
A. The patient will experience muscle weakness and fatigue
B. The patient will have difficulty digesting certain types of food
C. The patient will experience vision problems
D. The patient will have difficulty regulating body temperature
Question 9
A patient is diagnosed with a condition that affects the functioning of the kidneys. The patient's creatinine level is elevated at 2.5 mg/dL. Which of the following is the most likely cause of the patient's condition?
A. Chronic kidney disease
B. Acute kidney injury
C. Kidney stones
D. Polycystic kidney disease
Question 10
The human body has a complex system of tissues that work together to perform various functions. Which of the following best describes the characteristics of epithelial tissue?
A. It is a type of connective tissue that provides support and structure to the body.
B. It is a type of muscle tissue that contracts to move the body.
C. It is a type of nervous tissue that transmits and processes information.
D. It is a type of epithelial tissue that forms the lining of organs and glands.
Question 11
A diagram of the human kidney is shown below. What is the primary function of the nephron?
A. To filter waste products from the blood
B. To regulate the amount of water in the body
C. To synthesize hormones and other biomolecules
D. To maintain the body's pH balance
Question 12
The process of mitosis is a type of cell division that results in the production of two daughter cells that are genetically identical to the parent cell. Which of the following best describes the stages of mitosis?
A. Prophase, metaphase, anaphase, telophase, and cytokinesis.
B. Interphase, prophase, metaphase, anaphase, telophase, and cytokinesis.
C. Prophase, metaphase, anaphase, and telophase.
D. Interphase, prophase, metaphase, anaphase, and telophase.
Question 13
A plant cell is placed in a solution with a high concentration of sucrose. What is the expected outcome?
A. The plant cell will shrink due to water loss
B. The plant cell will swell due to water uptake
C. The plant cell will remain unchanged
D. The plant cell will undergo programmed cell death
Question 14
The process of mitosis is a type of cell division that results in the production of two daughter cells that are genetically identical to the parent cell. Which of the following best describes the stages of mitosis?
A. Prophase, metaphase, anaphase, telophase, and cytokinesis.
B. Interphase, prophase, metaphase, anaphase, telophase, and cytokinesis.
C. Prophase, metaphase, anaphase, and telophase.
D. Interphase, prophase, metaphase, anaphase, and telophase.
Question 15
A 25-year-old woman presents with symptoms of anemia. Her hemoglobin level is 8 g/dL. Which of the following is the most likely cause of her anemia?
A. Iron deficiency anemia
B. Vitamin B12 deficiency anemia
C. Folate deficiency anemia
D. Sickle cell anemia

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