POST UTME OSUSTECH 2024 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A 2.5 L solution contains 0.5 M glu\cose. If 100 mL of this solution is diluted to 500 mL, what is the concentration of glu\cose in the final solution?
A. 0.1 M
B. 0.05 M
C. 0.025 M
D. 0.0125 M
Question 2
The process of mitosis in eukaryotic cells involves the replication of DNA and the subsequent division of the cell into two daughter cells. Which of the following stages of mitosis is characterized by the separation of sister chromatids?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
Question 3
The process by which the body gets rid of waste products and excess subs\tances is called
A. Excretion
B. Osmoregulation
C. Digestion
D. Absorption
Question 4
The process of mitosis in eukaryotic cells involves the replication of DNA and the subsequent division of the cell into two daughter cells. Which of the following stages of mitosis is characterized by the formation of a spindle apparatus?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
Question 5
A diagram of a circuit is shown below. Identify the component labeled 'Y'.
A. Amplifier
B. Filter
C. Transformer
D. Generator
Question 6
A diagram of a cell is shown below. Identify the structure labeled 'X'.
A. Lysosome
B. Ribosome
C. Golgi apparatus
D. Peroxisome
Question 7
The process of photosynthesis in plants involves the conversion of light energy into chemical energy. Which of the following products is formed during the light-dep\endent reactions of photosynthesis?
A. ATP
B. NADPH
C. Oxygen
D. Glu\cose
Question 8
A diagram of the human circulatory system is shown below. What is the primary function of the structure labeled 'D'?
A. To transport oxygen to the body's cells
B. To regulate body temperature
C. To control movement
D. To produce hormones
Question 9
A diagram of the human nervous system is shown below. What is the primary function of the structure labeled 'C'?
A. To transmit signals from the brain to the rest of the body
B. To regulate body temperature
C. To control movement
D. To produce hormones
Question 10
The nervous system is responsible for transmitting signals between different parts of the body. Which of the following types of neurons is responsible for transmitting signals from sensory receptors to the central nervous system?
A. Motor neuron
B. Sensory neuron
C. Interneuron
D. Association neuron
Question 11
A 1.5 L solution contains 0.5 M NaCl. If 200 mL of this solution is diluted to 500 mL, what is the concentration of NaCl in the final solution?
A. 0.2 M
B. 0.25 M
C. 0.3 M
D. 0.4 M
Question 12
The process of evolution by natural selection involves the adaptation of species to their environment. Which of the following mechanisms is responsible for the decrease in the frequency of a deleterious trait in a population?
A. Genetic drift
B. Gene flow
C. Mutation
D. Natural selection
Question 13
A plant with the genotype 'Rr' is crossed with a plant with the genotype 'RR'. What is the probability that the offspring will have the genotype 'RR'?
A. 0.25
B. 0.5
C. 0.75
D. 1.0
Question 14
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. 0.2
B. 0.4
C. 0.6
D. 0.8
Question 15
In the context of the human visual system, what is the primary function of the optic nerve?
A. To transmit visual information from the retina to the brain
B. To regulate the amount of light entering the eye
C. To focus light onto the retina
D. To detect changes in color

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Help others prepare! Share this practice hub: