POST UTME PAN-ATLANTIC UNIVERSITY 2022 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
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 responsible for transporting sugars from the leaves to the roots.
C. It is composed of living cells.
D. It is responsible for transporting water and minerals from the roots to the leaves.
Question 2
The classification of living things into kingdoms is based on?
A. Cell structure
B. DNA structure
C. Metabolism
D. Cellular organization
Question 3
The cell membrane is selectively permeable due to the presence of?
A. Lipid bilayer
B. Protein channels
C. Carbohydrate molecules
D. Nucleic acids
Question 4
A plant has a root system that is adapted to absorb water from a dry soil. What is the term for this adaptation?
A. Taproot
B. Fibrous root
C. Adventitious root
D. Deep root
Question 5
The classification of living things into kingdoms is based on?
A. Cell structure
B. DNA structure
C. Metabolism
D. Cellular organization
Question 6
The sense organ responsible for detecting changes in sound intensity is the?
A. Eye
B. Ear
C. Nose
D. Mouth
Question 7
A plant cell is placed in a solution with a high concentration of sucrose. What would be the effect on the cell's turgor pressure?
A. The turgor pressure would increase
B. The turgor pressure would decrease
C. The turgor pressure would remain unchanged
D. The cell would undergo plasmolysis
Question 8
In the human kidney, the process of filtering waste products from the blood is primarily carried out by the?
A. Nephrons
B. Glomeruli
C. Renal Pelvis
D. Ureter
Question 9
A species of bacteria is classified as a gram-negative, rod-shaped bacterium. Which of the following characteristics is most likely to be associated with this bacterium?
A. The presence of a peritrichous flagellum
B. The presence of a polar flagellum
C. The presence of a capsule
D. The presence of a spore
Question 10
A diagram of a xylem vessel is shown below. What is the primary function of the vessel?
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 rest of the plant
C. To store water and nutrients
D. To regulate the movement of ions and nutrients across the membrane
Question 11
A diagram of a human respiratory system is shown below. What is the primary function of the alveoli?
A. To exchange oxygen and carbon dioxide with the blood
B. To filter the blood
C. To regulate the movement of ions and nutrients across the membrane
D. To store water and nutrients
Question 12
A cell is placed in a solution containing a high concentration of glu\cose. Which of the following processes will occur in the cell?
A. Osmosis
B. Diffusion
C. Active transport
D. Passive transport
Question 13
A researcher is studying the effects of hormonal coordination on plant growth. Which of the following hormones is primarily responsible for promoting cell elongation?
A. Auxin
B. Gibberellin
C. Cytokinin
D. Ethylene
Question 14
The process of evolution is driven by?
A. Natural selection
B. Genetic drift
C. Mutation
D. Gene flow
Question 15
In the context of blood transport systems, what is the primary function of the erythrocyte membrane?
A. To regulate the movement of ions and nutrients across the membrane
B. To maintain the structural integrity of the cell
C. To facilitate the exchange of gases between the blood and tissues
D. To synthesize and store hemoglobin

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: