POST UTME BSU 2017 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A diagram of a plant cell is shown below. Which of the following structures is responsible for photosynthesis?
A. Vacuole
B. Chloroplast
C. Mitochondrion
D. Nucleus
Question 2
A patient is diagnosed with a bacterial infection. Which of the following antibiotics is most likely to be effective against the infection?
A. Penicillin
B. Erythromycin
C. Ciprofloxacin
D. Vancomycin
Question 3
In the context of classification of living things, what is the primary function of the kingdom level?
A. To group organisms based on their genetic relationships
B. To group organisms based on their morpho\logical characteristics
C. To group organisms based on their eco\logical niches
D. To group organisms based on their metabolic processes
Question 4
A researcher is studying the effect of pH on the growth of a microorganism. The researcher observes that the microorganism grows best at a pH of 7.0. Which of the following terms best describes this relationship?
A. Optimum pH
B. Maximum pH
C. Minimum pH
D. Critical pH
Question 5
A diagram of a plant cell is shown below. Which of the following organelles is responsible for photosynthesis?
A. Mitochondria
B. Chloroplast
C. Nucleus
D. Vacuole
Question 6
Which of the following is an example of convergent evolution in the context of sense organs?
A. The development of wings in insects and birds
B. The formation of eyes in vertebrates and cephalopods
C. The development of limbs in tetrapods and fish
D. The formation of ears in mammals and birds
Question 7
A plant cell is placed in a solution with a higher concentration of solutes than the cell's cytoplasm. What will happen to the cell?
A. The cell will swell and eventually burst
B. The cell will shrink and lose water
C. The cell will remain unchanged
D. The cell will undergo mitosis
Question 8
The genetic material in eukaryotic cells is organized into
A. Mitochondria
B. Chromatin
C. Ribosomes
D. Lysosomes
Question 9
The xylem is a type of
A. Vascular Tissue
B. Ground Tissue
C. Dermal Tissue
D. Epidermal Tissue
Question 10
In a typical animal cell, the \endoplasmic reticulum is involved in the synthesis of proteins and lipids. Which of the following statements is FALSE?
A. The \endoplasmic reticulum is a type of smooth membrane.
B. The \endoplasmic reticulum is involved in the synthesis of proteins and lipids.
C. The \endoplasmic reticulum is a type of rough membrane.
D. The \endoplasmic reticulum is involved in the breakdown of proteins and lipids.
Question 11
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. 0.64
B. 0.36
C. 0.48
D. 0.52
Question 12
In the xylem, water and minerals are transported from the roots to the leaves through the process of
A. Transpiration Pull
B. Root Pressure
C. Transpiration Push
D. Capillary Action
Question 13
A diagram of a human eye is shown below. Which of the following structures is responsible for detecting light?
A. Cornea
B. Iris
C. Retina
D. Lens
Question 14
A researcher is studying the effect of temperature on the rate of enzyme-catalyzed reactions. The graph below shows the rate of reaction at different temperatures. What is the temperature at which the rate of reaction is maximum?
A. 25°C
B. 30°C
C. 35°C
D. 40°C
Question 15
In the context of excretion and osmoregulation, what is the primary function of the kidneys?
A. Regulation of blood pressure
B. Maintenance of electrolyte balance
C. Removal of waste products from the body
D. Regulation of body temperature

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