POST UTME LASU 2022 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The process of cellular respiration in cells involves the breakdown of glu\cose to produce energy. Which of the following is a byproduct of cellular respiration?
A. Carbon dioxide
B. Water
C. Glu\cose
D. ATP
Question 2
A diagram of a plant's xylem and phloem is shown below. Which of the following is the primary function of the xylem?
A. Transport of water and minerals
B. Transport of sugars and amino acids
C. Support and storage
D. Protection from pathogens
Question 3
In the context of excretion and osmoregulation, what is the primary function of the kidneys in a human?
A. Regulation of blood pressure
B. Removal of waste products
C. Maintenance of electrolyte balance
D. Regulation of body temperature
Question 4
In the context of asexual reproduction, what is the primary advantage of budding?
A. Increased genetic diversity
B. Reduced energy exp\enditure
C. Improved survival rates
D. Enhanced adaptability
Question 5
A diagram of the human eye is shown below. What is the primary function of the lens?
A. To focus light on the retina
B. To regulate blood flow to the retina
C. To produce tears
D. To regulate pupil size
Question 6
The process of photosynthesis in plants involves the conversion of light energy into chemical energy. Which of the following is a byproduct of photosynthesis?
A. Oxygen
B. Carbon dioxide
C. Water
D. Glu\cose
Question 7
The process by which plants convert light energy into chemical energy is known as
A. Respiration
B. Photosynthesis
C. Transpiration
D. Translocation
Question 8
The diagram below shows a cross-section of a plant root. Identify the structure labeled 'A'?
A. Root hair
B. Epidermal cell
C. Vascular tissue
D. Parenchyma cell
Question 9
A diagram of the human eye is shown below. Which of the following is the primary function of the retina?
A. Detection of light
B. Focu\sing of light
C. Transmission of signals to the brain
D. Production of tears
Question 10
In the context of hormonal regulation, what is the primary function of the hypothalamus?
A. To regulate body temperature
B. To control hunger and thirst
C. To stimulate the release of hormones
D. To regulate sleep-wake cycles
Question 11
In the xylem tissue, what is the primary function of the tracheids?
A. Transport of water and minerals from the roots to the leaves
B. Production of sugars through photosynthesis
C. Storage of nutrients and water
D. Support and protection of the plant
Question 12
In the cell cycle, what is the phase where the cell prepares for division?
A. G1 phase
B. S phase
C. G2 phase
D. M phase
Question 13
In the context of evolutionary theories, what is the primary mechanism by which natural selection leads to the adaptation of a population to its environment?
A. Mutation
B. Genetic recombination
C. Gene flow
D. Natural selection
Question 14
The process by which cells become specialized to perform specific functions is known as
A. Differentiation
B. Mitosis
C. Meiosis
D. Endoreduplication
Question 15
The xylem tissue in plants is responsible for transporting water and minerals from the roots to the leaves. Which of the following is a characteristic of xylem tissue?
A. It is composed of dead cells
B. It is composed of living cells
C. It is responsible for transporting sugars
D. It is responsible for transporting amino acids

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