POST UTME NILE UNIVERSITY 2023 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A 50-year-old man has a blood pressure of 140/90 mmHg. His resting heart rate is 70 beats per minute. What is his cardiac output?
A. 3.0
B. 4.0
C. 5.0
D. 6.0
Question 2
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 3
The diagram below shows a cross-section of a nerve cell. Identify the part labeled 'A'.
A. D\endrite
B. Axon
C. Cell Body
D. Myelin Sheath
Question 4
A diagram of a simple reproductive cycle is shown below. Which of the following organisms reproduces by budding?
A. Binary Fission
B. Mitosis
C. Meiosis
D. Budding
Question 5
A researcher is studying the growth and development of a plant. Which of the following hormones is responsible for promoting cell elongation?
A. Auxin
B. Gibberellin
C. Cytokinin
D. Ethylene
Question 6
A diagram of the human respiratory system is shown below. What is the primary function of the alveoli?
A. Exchange of oxygen and carbon dioxide
B. Production of mucus
C. Regulation of body temperature
D. Maintenance of blood pressure
Question 7
A researcher is studying the effects of climate change on the distribution of species in a particular e\cosystem. Which of the following biomes is most likely to be affected by climate change?
A. Tropical rainforest
B. Temperate grassland
C. Arctic tundra
D. Desert
Question 8
In a desert e\cosystem, what is the primary function of the 'A' layer in the soil profile?
A. To store water for the plants
B. To support the growth of microorganisms
C. To filter out excess nutrients
D. To regulate soil temperature
Question 9
A diagram of a simple e\cosystem is shown below. Which of the following organisms is a primary consumer?
A. Plant
B. Herbivore
C. Carnivore
D. Decomposer
Question 10
The type of e\cosystem that is characterized by a large number of species and a complex food web is known as
A. Desert
B. Rainforest
C. Grassland
D. Tundra
Question 11
The process by which plants convert light energy into chemical energy is known as
A. Respiration
B. Photosynthesis
C. Transpiration
D. Translocation
Question 12
A diagram of the human eye is shown below. Which part of the eye is responsible for detecting light?
A. Cornea
B. Iris
C. Retina
D. Lens
Question 13
A patient is diagnosed with a condition that affects the growth and development of their sense organs. Which of the following conditions is most likely to be responsible?
A. Hypothyroidism
B. Hyperthyroidism
C. Diabetes mellitus
D. Cushing's syndrome
Question 14
A cell in interphase has a DNA content of 2C. If the cell enters mitosis and divides to produce two daughter cells, what will be the DNA content of each daughter cell?
A. 1C
B. 2C
C. 4C
D. 8C
Question 15
The process of excretion in humans involves the removal of waste products from the body through the:
A. Kidneys
B. Liver
C. Lungs
D. Skin

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