POST UTME ACHIEVERS UNIVERSITY 2024 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A diagram shows a plant with 4 petals, 5 sepals, and 3 stamens. What is the correct classification of this plant?
A. Monocot
B. Dicot
C. Gymnosperm
D. Angiosperm
Question 2
A researcher studying the eco\logy of a freshwater lake observes that the lake's water level is fluctuating between 10 and 20 meters. What is the most likely cause of this fluctuation?
A. Changes in precipitation patterns
B. Evaporation from the lake surface
C. Inflow of water from surrounding rivers
D. Outflow of water through a nearby dam
Question 3
A diagram of the human digestive system is shown below. What is the primary function of the pancreas?
A. Production of digestive enzymes
B. Absorption of nutrients
C. Storage of nutrients and water
D. Regulation of blood sugar levels
Question 4
The nervous system is responsible for
A. regulating body temperature
B. controlling blood pressure
C. transmitting nerve impulses
D. producing hormones
Question 5
In the context of osmoregulation, what is the primary function of the kidneys in maintaining electrolyte balance?
A. To regulate the amount of water in the body
B. To maintain the balance of electrolytes in the body
C. To regulate blood pressure
D. To remove waste products from the body
Question 6
A plant has a root system that consists of a taproot and a network of smaller roots. The taproot grows at a rate of 2 cm/day, while the smaller roots grow at a rate of 1 cm/day. If the taproot is 10 cm long and the smaller roots are 5 cm long, how long will it take for the taproot to be twice as long as the smaller roots?
A. 10 days
B. 20 days
C. 30 days
D. 40 days
Question 7
Which of the following types of tissue is responsible for the production of hormones in the \endocrine system?
A. Connective tissue
B. Epithelial tissue
C. Muscle tissue
D. Nervous tissue
Question 8
A diagram of a simple e\cosystem is shown below. What is the role of the decomposers in this e\cosystem?
A. Primary producers
B. Primary consumers
C. Decomposers
D. Omnivores
Question 9
A plant has a root system that consists of a taproot and a network of smaller roots. The taproot grows at a rate of 2 cm/day, while the smaller roots grow at a rate of 1 cm/day. If the taproot is 10 cm long and the smaller roots are 5 cm long, how long will it take for the taproot to be twice as long as the smaller roots?
A. 10 days
B. 20 days
C. 30 days
D. 40 days
Question 10
The diagram below shows a cross-section of the human brain. Which part of the brain is responsible for controlling voluntary movements?
A. Cerebrum
B. Cerebellum
C. Brainstem
D. Spinal cord
Question 11
A diagram of the xylem and phloem tissues in a plant stem is shown below. What is the primary function of the xylem tissue?
A. Transport of water and minerals from the roots to the leaves
B. Transport of sugars and other organic compounds from the leaves to the rest of the plant
C. Support and structure for the plant
D. Storage of nutrients and water
Question 12
The process of gas exchange in the lungs involves the diffusion of
A. oxygen into the blood
B. carbon dioxide out of the blood
C. both oxygen and carbon dioxide
D. neither oxygen nor carbon dioxide
Question 13
The diagram below shows a simple circuit. What is the value of the resis\tance (R) in the circuit?
A. 1 Ω
B. 2 Ω
C. 3 Ω
D. 4 Ω
Question 14
Which of the following microorganisms is responsible for the production of botulism toxin?
A. Bacillus cereus
B. Clostridium botulinum
C. Escherichia coli
D. Staphylococcus aureus
Question 15
Asexual reproduction in plants can occur through the production of
A. seeds
B. spores
C. buds
D. runners

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