POST UTME VERITAS UNIVERSITY 2021 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A 35-year-old female patient is diagnosed with breast cancer. Her tumor is found to be estrogen receptor-positive \( ER+ \) and progesterone receptor-positive \( PR+ \). Which of the following is the most appropriate treatment option for her?
A. Tamoxifen
B. Anastrozole
C. Trastuzumab
D. Paclitaxel
Question 2
The human eye has a complex structure that allows it to detect light and transmit visual information to the brain. Which of the following is a part of the eye that is responsible for focu\sing light onto the retina?
A. Cornea
B. Iris
C. Lens
D. Retina
Question 3
In a typical human cell, the mitochondria is responsible for producing ATP through cellular respiration. What is the byproduct of this process?
A. Water
B. Carbon dioxide
C. ATP
D. Oxygen
Question 4
In a desert e\cosystem, the primary producers are primarily succulents that store water in their leaves. Which of the following is a characteristic of these primary producers?
A. They have a deep root system to access groundwater.
B. They have a thick cuticle to prevent water loss.
C. They have a high surface area to absorb sunlight.
D. They have a low surface area to conserve water.
Question 5
A patient is experiencing symptoms of dehydration. Which of the following organs is primarily responsible for the regulation of water balance in the body?
A. Kidneys
B. Liver
C. Pancreas
D. Adrenal glands
Question 6
The process of natural selection can lead to the evolution of a population in which the frequency of a particular trait increases over time. Which of the following is an example of a trait that would be favored by natural selection in a population of birds that live in a forest with a dense canopy?
A. Large wingspan
B. Small beak size
C. Dark plumage
D. Long neck
Question 7
A 45-year-old male patient is diagnosed with type 2 diabetes mellitus. His HbA1c level is 9.5%. Which of the following is the most appropriate treatment option for him?
A. Metformin
B. Sulfonylurea
C. Pioglitazone
D. Insulin
Question 8
A plant grows 2cm in the first week, 3cm in the second week, and 4cm in the third week. What is the average rate of growth per week?
A. 2.5cm/week
B. 3cm/week
C. 3.5cm/week
D. 4cm/week
Question 9
In a typical human cell, what is the primary function of the Golgi apparatus?
A. Protein synthesis
B. Cell signaling
C. Lipid synthesis
D. Modification and packaging of proteins and lipids
Question 10
In a population of 100 individuals, 20% have the genotype AA, 40% have the genotype Aa, and 40% have the genotype aa. What is the frequency of the recessive allele 'a' in this population?
A. 0.2
B. 0.4
C. 0.6
D. 0.8
Question 11
A cell is placed in a hypertonic solution. What will happen to the cell?
A. swell
B. shrink
C. remain the same
D. increase in size
Question 12
In the xylem of a plant, what is the primary function of the tracheids?
A. Transport of water and minerals from roots to leaves
B. Production of sugars through photosynthesis
C. Storage of nutrients and water
D. Regulation of stomatal opening and clo\sing
Question 13
In a coral reef e\cosystem, the primary consumers are primarily fish that feed on the abundant algae. Which of the following is a characteristic of these primary consumers?
A. They have a high metabolic rate to quickly digest algae.
B. They have a low metabolic rate to conserve energy.
C. They have a specialized digestive system to break down cellulose.
D. They have a large body size to intimidate predators.
Question 14
The circulatory system in humans is responsible for transporting oxygen and nutrients to cells and removing waste products. Which of the following is a type of blood vessel that carries oxygenated blood away from the heart to the rest of the body?
A. Arteries
B. Veins
C. Capillaries
D. Xylem
Question 15
A plant with the genotype 'Tt' is crossed with a plant with the genotype 'tt'. What is the probability that the offspring will have the genotype 'Tt'?
A. 0.25
B. 0.5
C. 0.75
D. 0.9

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