POST UTME IGBINEDION UNIVERSITY 2019 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
In the process of respiration, what is the primary function of the alveoli?
A. To exchange oxygen and carbon dioxide
B. To regulate body temperature
C. To produce surfac\tant
D. To filter blood
Question 2
The classification of living things is based on their shared characteristics and evolutionary relationships. Which of the following is a characteristic of the kingdom Animalia?
A. They are multicellular and eukaryotic.
B. They are unicellular and prokaryotic.
C. They are multicellular and eukaryotic, and they have a nervous system.
D. They are unicellular and eukaryotic, and they have a cell wall.
Question 3
In a population of 1000 individuals, 50% are heterozygous for the ABO blood group locus. If 20% of the population are type A, 30% are type B, and 40% are type O, what is the genotype of the individual who is type AB?
A. IAi
B. IBi
C. IO
D. IA
Question 4
A diagram of a human brain is shown below. Which part of the brain is responsible for controlling voluntary movements?
A. Cerebrum
B. Cerebellum
C. Brainstem
D. Spinal Cord
Question 5
In the context of classification of living things, what is the primary function of the kingdom?
A. To group organisms based on their morpho\logy
B. To group organisms based on their physio\logy
C. To group organisms based on their evolutionary history
D. To group organisms based on their eco\logical niches
Question 6
A diagram of the human digestive system is shown below. Identify the part labeled B.
A. Esophagus
B. Stomach
C. Small intestine
D. Large intestine
Question 7
A plant has a genotype of BBSS at the flower color locus. If the plant is crossed with a plant having the genotype bbss, what is the probability that the offspring will have the genotype BbSS?
A. 0.5
B. 0.25
C. 0.75
D. 0.33
Question 8
The process of photosynthesis in plants involves the conversion of light energy into chemical energy, which is stored in the form of glu\cose. What is the primary reac\tant in this process?
A. Carbon dioxide
B. Water
C. Glu\cose
D. Oxygen
Question 9
A diagram of a human eye is shown below. Identify the part labeled 'B'.
A. Cornea
B. Iris
C. Retina
D. Lens
Question 10
The transport of subs\tances throughout the body is essential for maintaining homeostasis. Which of the following is a characteristic of the circulatory system?
A. It is responsible for transporting oxygen and nutrients to cells.
B. It is responsible for removing waste products from cells.
C. It is responsible for regulating body temperature.
D. It is responsible for maintaining blood pressure.
Question 11
A patient with a kidney disorder has a high level of urea in their blood. What is the primary function of the kidneys in this context?
A. To regulate the concentration of electrolytes
B. To synthesize glu\cose from CO2 and H2O
C. To remove waste products from the blood
D. To regulate blood pressure
Question 12
In the context of photosynthesis, what is the primary function of the thylakoid membrane?
A. To facilitate the transfer of electrons during the light-dep\endent reactions
B. To regulate the concentration of ATP and NADPH
C. To synthesize glu\cose from CO2 and H2O
D. To absorb light energy from the sun
Question 13
A cell is placed in a solution with a concentration of 0.1 M glu\cose. The cell membrane is permeable to glu\cose, but not to other solutes. The cell has an initial concentration of 0.05 M glu\cose inside. What is the concentration of glu\cose inside the cell after 10 minutes?
A. 0.05 M
B. 0.1 M
C. 0.15 M
D. 0.2 M
Question 14
A 5-year-old child is diagnosed with a rare genetic disorder that affects the production of a specific enzyme. The child's parents are both carriers of the mutated gene. What is the probability that their next child will be affected by the disorder?
A. 0.25
B. 0.5
C. 0.75
D. 1.0
Question 15
The diagram below shows a simplified representation of the human digestive system. What is the primary function of the pancreas in this system?
A. To produce digestive enzymes that break down proteins
B. To produce hormones that regulate blood sugar levels
C. To absorb nutrients from the small intestine
D. To store bile that is produced by the liver

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