POST UTME CALEB UNIVERSITY 2017 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
In the context of growth and regulation, what is the term for the process by which cells become specialized to perform specific functions?
A. Differentiation
B. Mitosis
C. Meiosis
D. Hormone Regulation
Question 2
A diagram of a plant's xylem is shown below. What is the primary function of the xylem in this plant?
A. To transport water and minerals from the roots to the leaves
B. To transport sugars and other organic compounds from the leaves to the roots
C. To provide structural support to the plant
D. To regulate the plant's water potential
Question 3
A diagram of the human eye is shown below. What is the primary function of the retina in this organ?
A. To focus light onto the lens
B. To detect light and transmit signals to the brain
C. To regulate the eye's water potential
D. To provide structural support to the eye
Question 4
A plant cell is placed in a solution with a high concentration of sucrose. What will happen to the cell's turgor pressure?
A. It will decrease
B. It will increase
C. It will remain the same
D. It will become negative
Question 5
A diagram of a plant cell is shown below. What is the function of the cell wall?
A. To provide structural support
B. To regulate the movement of materials
C. To produce energy for the cell
D. To synthesize proteins
Question 6
The process by which plants convert light energy into chemical energy is known as
A. Respiration
B. Photosynthesis
C. Transpiration
D. Translocation
Question 7
The classification of living things is based on several characteristics, including cell structure, body organization, and metabolic processes. Which of the following kingdoms is characterized by the presence of a true nucleus and complex body organization?
A. Monera
B. Protista
C. Fungi
D. Animalia
Question 8
Which of the following types of tissue is composed of epithelial cells that line the respiratory tract?
A. Connective Tissue
B. Muscle Tissue
C. Nervous Tissue
D. Epithelial Tissue
Question 9
The nervous system is responsible for transmitting and proces\sing information throughout the body. Which of the following is a function of the cerebellum?
A. To regulate body temperature
B. To coordinate muscle movements
C. To process sensory information
D. To produce hormones
Question 10
In the context of reproductive bio\logy, what is the primary function of the zona pellucida in the oocyte?
A. To provide structural support to the oocyte
B. To facilitate fertilization by sperm
C. To regulate the release of hormones during ovulation
D. To prevent polyspermy
Question 11
A population of rabbits is introduced to a new island with an abundance of food and no natural predators. According to the theory of natural selection, what is the expected outcome for this population over time?
A. The population will remain cons\tant
B. The population will decrease due to overgrazing
C. The population will increase exponentially
D. The population will adapt to the new environment
Question 12
A diagram of a human respiratory system is shown below. What is the function of the part labeled 'B'?
A. Oxygenation of the blood
B. Carbon dioxide removal
C. Regulation of breathing
D. Production of mucus
Question 13
In the context of reproductive bio\logy, what is the primary function of the corpus luteum in the female reproductive cycle?
A. To produce estrogen and progesterone
B. To regulate the release of hormones during ovulation
C. To prevent polyspermy
D. To provide structural support to the oocyte
Question 14
A diagram of the human eye is shown below. What is the function of the part labeled 'A'?
A. To focus light on the retina
B. To detect movement
C. To regulate pupil size
D. To produce tears
Question 15
A genetic trait is controlled by a \single gene with two alleles. What is the probability that a child will inherit the recessive allele if the parents are both carriers?
A. 25%
B. 50%
C. 75%
D. 100%

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