POST UTME WELLSPRING UNIVERSITY 2019 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The xylem in a plant consists of what type of cells?
A. Parenchyma cells
B. Collenchyma cells
C. Sclerenchyma cells
D. Tracheary elements
Question 2
The diagram below shows the structure of a cell. Which part is responsible for protein synthesis?
A. A
B. B
C. C
D. D
Question 3
The graph below shows the relationship between the concentration of a substrate and the rate of enzyme activity. What is the name of the enzyme?
A. Amylase
B. Lactase
C. Tryp\sin
D. Pep\sin
Question 4
The process by which plants convert light energy into chemical energy is known as
A. Respiration
B. Photosynthesis
C. Transpiration
D. Osmosis
Question 5
The diagram below shows the water cycle. Which part of the cycle is responsible for the formation of clouds?
A. A
B. B
C. C
D. D
Question 6
The process of photosynthesis in plants involves the conversion of light energy into chemical energy. Which of the following reac\tants is responsible for the production of oxygen during photosynthesis?
A. Carbon dioxide
B. Water
C. Glu\cose
D. Oxygen
Question 7
The diagram below shows a simple harmonic motion. Identify the type of motion.
A. Simple harmonic motion
B. Damped harmonic motion
C. Forced harmonic motion
D. Oscillatory motion
Question 8
In a closed e\cosystem, what is the primary mechanism by which energy is transferred from one trophic level to the next?
A. Photosynthesis
B. Respiration
C. Decomposition
D. Trophic cascades
Question 9
In the context of reproduction, what is the primary function of the ovaries in females?
A. To produce sperm
B. To produce eggs
C. To regulate hormone levels
D. To maintain body temperature
Question 10
A population of bacteria is growing exponentially. If the initial population is 100 and the growth rate is 20% per hour, what will be the population after 3 hours?
A. 1600
B. 1800
C. 2000
D. 2200
Question 11
A population of rabbits is growing at a rate of 20% per year. If the initial population is 100 rabbits, what will be the population after 5 years?
A. 1610
B. 1620
C. 1630
D. 1640
Question 12
In the context of excretion and osmoregulation, what is the primary function of the kidneys in maintaining homeostasis?
A. To regulate blood pressure
B. To remove waste products from the blood
C. To maintain electrolyte balance
D. To regulate body temperature
Question 13
In the context of coordination, what is the primary function of the nervous system?
A. To regulate body temperature
B. To maintain homeostasis
C. To transmit nerve impulses
D. To regulate blood pressure
Question 14
In a human body, the process of respiration occurs in the lungs, where oxygen is absorbed into the bloodstream and carbon dioxide is removed. Which of the following structures is responsible for the exchange of gases between the lungs and the bloodstream?
A. Alveoli
B. Bronchioles
C. Trachea
D. Diaphragm
Question 15
In a tropical rainforest, the nutrient cycle is characterized by the rapid decomposition of organic matter, which is facilitated by the high temperatures and humidity. Which of the following organisms plays a key role in this process?
A. Termites
B. Earthworms
C. Fungi
D. Bacteria

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