POST UTME VERITAS UNIVERSITY 2024 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A diagram of a plant's stem is shown below. Identify the function of the xylem tissue.
A. Transport of water and minerals
B. Transport of sugars and amino acids
C. Support and structure
D. Storage of food
Question 2
A diagram of a plant's xylem is shown below. What is the primary function of the xylem?
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 store water and nutrients in the plant
Question 3
The diagram below shows a cross-section of the human eye. Which part of the eye is responsible for detecting light?
A. Cornea
B. Iris
C. Retina
D. Lens
Question 4
A diagram of a plant's xylem and phloem tissues is shown below. Identify the function of the xylem tissue.
A. Transport of water and minerals
B. Transport of sugars and amino acids
C. Support and structure
D. Storage of food
Question 5
In the process of mitosis, what is the primary function of the spindle fibers?
A. To separate the chromosomes
B. To move the chromosomes to the poles of the cell
C. To condense the chromosomes
D. To decondense the chromosomes
Question 6
In a typical terrestrial e\cosystem, what is the primary mechanism by which carbon is cycled between the atmosphere and the biosphere?
A. Photosynthesis
B. Respiration
C. Decomposition
D. Fermentation
Question 7
A plant with a photosynthetic rate of 10 μmol CO2 s-1 has a stomatal conduc\tance of 0.5 mol m-2 s-1. What is the stomatal density of this plant?
A. 1000 cm-2
B. 500 cm-2
C. 2000 cm-2
D. 3000 cm-2
Question 8
A 0.5 M solution of NaCl is prepared by dissolving 0.5 mol of NaCl in 1 L of water. What is the concentration of Na+ ions in the solution?
A. 0.25 M
B. 0.5 M
C. 0.75 M
D. 1 M
Question 9
In the context of respiration, what is the primary function of the mitochondria in the process of cellular respiration?
A. To generate ATP through the citric acid cycle
B. To produce NADH and FADH2 through glycolysis
C. To convert glu\cose into pyruvate through glycolysis
D. To produce ATP through oxidative phosphorylation
Question 10
What is the process by which plants convert light energy into chemical energy?
A. Respiration
B. Photosynthesis
C. Transpiration
D. Osmosis
Question 11
A river has a discharge of 100 m^3/s and a salinity of 0.5 ppt. If the river flows into a lake with a volume of 10^6 m^3, what is the time required to mix the river water with the lake water?
A. 20 s
B. 200 s
C. 2000 s
D. 20000 s
Question 12
A genetic cross is performed between two pea plants, one with the genotype TT and the other with the genotype tt. What is the probability of the offspring having the genotype Tt?
A. 0.25
B. 0.5
C. 0.75
D. 1.0
Question 13
In a freshwater e\cosystem, the primary producers are phytoplankton, which are tiny plants that drift in the water. What is the role of phytoplankton in the e\cosystem?
A. decomposers
B. primary producers
C. secondary consumers
D. tertiary consumers
Question 14
A diagram of the human circulatory system is shown below. Which part of the heart pumps blood to the lungs?
A. Left Ventricle
B. Right Ventricle
C. Pulmonary Artery
D. Pulmonary Vein
Question 15
In a human kidney, what is the primary function of the nephrons?
A. To filter waste from the blood
B. To regulate blood pressure
C. To produce hormones
D. To control body temperature

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