POST UTME VERITAS UNIVERSITY 2022 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The process of mitosis results in the production of two daughter cells that are genetically identical to the parent cell. Which of the following is a correct statement about the chromosomes in the daughter cells?
A. The daughter cells have the same number of chromosomes as the parent cell
B. The daughter cells have half the number of chromosomes as the parent cell
C. The daughter cells have twice the number of chromosomes as the parent cell
D. The daughter cells have a different number of chromosomes than the parent cell
Question 2
In a forest e\cosystem, the following food chain is observed: Grass → Insect → Frog → Snake. Which of the following is a correct statement about the energy flow in this food chain?
A. Energy is lost at each trophic level
B. Energy is conserved at each trophic level
C. Energy is gained at each trophic level
D. Energy is not transferred between trophic levels
Question 3
A scientist is studying the effect of antibiotics on bacterial growth. The scientist observes that the bacteria are resis\tant to the antibiotic. What is the most likely explanation for this phenomenon?
A. The bacteria have developed a mutation that makes them resis\tant to the antibiotic
B. The bacteria have acquired a plasmid that confers resis\tance to the antibiotic
C. The antibiotic is not effective against the bacteria
D. The bacteria are not susceptible to the antibiotic
Question 4
In the context of the human nervous system, what is the primary function of the cerebellum?
A. To process sensory information from the environment
B. To regulate body temperature
C. To coordinate voluntary movements and maintain posture
D. To produce hormones that stimulate growth and development
Question 5
A diagram of the human brain is shown below. What is the function of the part labeled 'B'?
A. To process sensory information from the environment
B. To regulate body temperature
C. To coordinate voluntary movements and maintain posture
D. To produce hormones that stimulate growth and development
Question 6
A researcher is studying the osmoregulatory mechanisms of a desert-dwelling organism. Which of the following statements is true regarding the role of the kidneys in this process?
A. The kidneys produce a high concentration of urine to conserve water
B. The kidneys produce a low concentration of urine to eliminate excess water
C. The kidneys produce a cons\tant concentration of urine regardless of the organism's water status
D. The kidneys have no role in osmoregulation in desert-dwelling organisms
Question 7
A diagram of a plant cell is shown below. What is the function of the structure labeled 'X'?
A. Photosynthesis
B. Respiration
C. Transpiration
D. Cell division
Question 8
In a freshwater e\cosystem, what is the primary role of decomposers in the nutrient cycle?
A. To break down dead organic matter into simpler compounds
B. To release nutrients back into the water
C. To absorb nutrients from the water
D. To produce oxygen through photosynthesis
Question 9
A cell undergoing mitosis has a chromosome number of 46. What is the expected number of chromosomes in the daughter cells?
A. 23
B. 46
C. 92
D. 184
Question 10
A diagram of the human respiratory system is shown below. Which part of the system is responsible for exchanging oxygen and carbon dioxide?
A. Trachea
B. Bronchi
C. Lungs
D. Diaphragm
Question 11
In the context of transport systems, what is the primary function of the xylem in plants?
A. Transport of water and minerals from the roots to the leaves
B. Transport of sugars and other organic compounds produced by photosynthesis
C. Regulation of water potential and turgor pressure in plant cells
D. Maintenance of plant structure and support
Question 12
A plant cell is placed in a solution with a high concentration of sucrose. What is the expected outcome?
A. Water will enter the cell by osmosis
B. Water will leave the cell by osmosis
C. The cell will remain unchanged
D. The cell will burst
Question 13
In a typical sexual reproduction cycle, what is the primary function of the meiotic division?
A. To produce genetically identical offspring
B. To increase genetic diversity
C. To produce gametes with half the number of chromosomes
D. To repair damaged DNA
Question 14
A diagram of a plant cell is shown below. What is the function of the structure labeled 'X'?
A. Site of protein synthesis
B. Site of lipid synthesis
C. Site of carbohydrate synthesis
D. Site of DNA replication
Question 15
In the context of osmoregulation, what is the primary function of the hypothalamus in regulating body fluid balance?
A. To secrete ADH (antidiuretic hormone)
B. To regulate thirst
C. To control blood pressure
D. To maintain electrolyte balance

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Help others prepare! Share this practice hub: