POST UTME SKYLINE UNIVERSITY 2018 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A diagram of the human eye is shown below. What is the function of the part labeled 'C'?
A. To focus light onto the retina
B. To re\fract light entering the eye
C. To detect light intensity
D. To regulate pupil size
Question 2
In a population of Drosophila melanogaster, the frequency of the recessive allele 'a' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype 'AA'?
A. 0.36
B. 0.64
C. 0.72
D. 0.84
Question 3
A diagram of the human eye is shown below. What is the function of the part labeled 'A'?
A. To focus light on the retina
B. To re\fract light entering the eye
C. To regulate the amount of light entering the eye
D. To detect color
Question 4
A diagram of the human skeletal system is shown below. What is the function of the part labeled 'D'?
A. To protect the brain
B. To support the ribcage
C. To facilitate movement
D. To store blood
Question 5
In a population of 1000 individuals, 70% are heterozygous for the ABO blood group gene. If 20% of the population is type A, 30% is type B, and 50% is type AB, what is the genotype of the population?
A. IAi
B. IBi
C. IAIA
D. IBIB
Question 6
The diagram below shows a cross-section of a plant root. Identify the type of tissue labeled A.
A. Xylem
B. Phloem
C. Cortex
D. Endodermis
Question 7
The nervous system of an organism is responsible for transmitting and proces\sing information. Which of the following types of neurons is responsible for transmitting sensory information to the brain?
A. Motor neuron
B. Sensory neuron
C. Interneuron
D. Glial cell
Question 8
Which of the following is an example of a prokaryotic cell?
A. Bacteria
B. Amoeba
C. Paramecium
D. Euglena
Question 9
The process of excretion in the human body involves the removal of waste products and excess subs\tances from the body. Which of the following organs is responsible for filtering waste products from the blood?
A. Liver
B. Kidneys
C. Spleen
D. Pancreas
Question 10
Which of the following is an example of a heterotrophic organism?
A. Chlorophyll-containing algae
B. Bacteria
C. Fungi
D. Paramecium
Question 11
The process of digestion in the human body involves the breakdown of food into smaller molecules that can be absorbed and utilized by the body. Which of the following enzymes is responsible for breaking down proteins into amino acids?
A. Amylase
B. Lipase
C. Tryp\sin
D. Lactase
Question 12
A plant with the genotype RrSs is crossed with a plant with the genotype RRSS. What is the probability that the offspring will have the genotype RrSs?
A. 0.25
B. 0.5
C. 0.75
D. 1
Question 13
The process of photosynthesis in plants involves the conversion of light energy into chemical energy. Which of the following is a byproduct of the light-dep\endent reactions in photosynthesis?
A. ATP
B. NADPH
C. Oxygen
D. Glu\cose
Question 14
A diagram of the human digestive system is shown below. Which part of the system is responsible for absorbing nutrients?
A. Mouth
B. Esophagus
C. Stomach
D. Small intestine
Question 15
A diagram of the 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

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