POST UTME BSU 2019 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
In a cell, the process of mitosis occurs in the nucleus. What is the primary function of mitosis?
A. To synthesize DNA from nucleotides
B. To produce ATP through substrate-level phosphorylation
C. To regulate the concentration of ATP in the cell
D. To produce two daughter cells with the same number of chromosomes as the parent cell
Question 2
A solution of NaCl is prepared by dissolving 35.5 g of NaCl in 250 mL of water. What is the molarity of the solution?
A. 0.243
B. 0.2435
C. 0.242
D. 0.244
Question 3
In a typical human cell, what is the primary function of the Golgi apparatus?
A. To synthesize proteins from amino acids
B. To break down complex molecules into simpler subs\tances
C. To modify and package proteins for transport
D. To produce energy from glu\cose
Question 4
The human eye is an example of a complex sensory organ that is responsible for detecting light and transmitting visual information to the brain. Which part of the eye is responsible for focu\sing light onto the retina?
A. Cornea
B. Iris
C. Lens
D. Retina
Question 5
The sense organ responsible for detecting changes in sound waves is the
A. Ear
B. Eye
C. Nose
D. Tongue
Question 6
The process of mitosis is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent cell. Which stage of mitosis is characterized by the condensation of chromosomes and the formation of the spindle apparatus?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
Question 7
A diagram of the human eye is shown below. Which of the following structures is responsible for detecting light?
A. Cornea
B. Iris
C. Retina
D. Lens
Question 8
The  
A. photosynthesis
B. respiration
C. transpiration
D. osmoregulation
Question 9
A diagram of the human circulatory system is shown below. Which part of the system is responsible for transporting oxygenated blood from the lungs to the heart?
A. Pulmonary Veins
B. Pulmonary Arteries
C. Aorta
D. Superior Vena Cava
Question 10
In a typical human cell, what is the primary function of the mitochondria in relation to cellular respiration?
A. To synthesize proteins
B. To generate energy for the cell
C. To regulate cell growth
D. To transport subs\tances across the cell membrane
Question 11
The human brain is a complex organ that is responsible for controlling the body's functions, proces\sing sensory information, and facilitating thought and behavior. Which part of the brain is responsible for controlling voluntary movements?
A. Cerebrum
B. Cerebellum
C. Brainstem
D. Spinal cord
Question 12
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. 0.8
C. 0.2
D. 0.16
Question 13
The  
A. \endoskeleton
B. exoskeleton
C. hydrostatic skeleton
D. hydrostatic skeleton
Question 14
A plant cell has a vacuole that contains 0.5 M glu\cose. If the cell membrane is permeable to glu\cose, what is the concentration of glu\cose in the cytosol after 10 minutes?
A. 0.5
B. 0.4
C. 0.6
D. 0.3
Question 15
A diagram of a plant cell is shown below. What is the function of the structure labeled 'X'?
A. photosynthesis
B. respiration
C. protein synthesis
D. cell signaling

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