POST UTME KSU 2019 Biology | Objective

Prepare for your exams with POST UTME KSU questions? Reviewing past/model questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2019 Biology (Objective) questions designed to simulate the real exam environment.

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Question 1 View Details
In the xylem transport system, what is the primary function of the xylem parenchyma cells?
Correct A. To store water and minerals
B. To transport water and minerals
C. To regulate water and mineral uptake
D. To break down organic matter

Correct Answer: A

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Question 2 View Details
A patient is diagnosed with a bacterial infection. Which of the following microorganisms is most likely responsible for the infection?
A. Escherichia coli
Correct B. Staphylococcus aureus
C. Pseudomonas aeruginosa
D. Klebsiella pneumoniae

Correct Answer: B

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Question 3 View Details
In the process of photosynthesis, what is the byproduct of the light-dep\endent reactions?
Correct A. ATP and NADPH
B. Glu\cose and oxygen
C. Water and carbon dioxide
D. Nitrogen and phosphorus

Correct Answer: A

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Question 4 View Details
A cell is in the process of mitosis. What is the stage of mitosis where the chromosomes are condensed and attached to the spindle fibers?
A. Prophase
Correct B. Metaphase
C. Anaphase
D. Telophase

Correct Answer: B

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Question 5 View Details
A plant is placed in a controlled environment with a cons\tant temperature and humidity. What is the expected outcome of this experiment?
Correct A. The plant will grow at a normal rate
B. The plant will grow faster than normal
C. The plant will grow slower than normal
D. The plant will not grow at all

Correct Answer: A

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Question 6 View Details
In the process of osmoregulation, what is the primary mechanism by which the kidneys regulate the concentration of ions in the blood?
Correct A. Active transport of ions across the renal tubular epithelium
B. Passive diffusion of ions across the renal tubular epithelium
C. Reabsorption of ions from the filtrate back into the bloodstream
D. Excretion of ions into the urine

Correct Answer: A

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Question 7 View Details
A patient is diagnosed with a bacterial infection caused by Escherichia coli. Which of the following antibiotics is most likely to be effective against this infection?
A. Amoxicillin
Correct B. Ciprofloxacin
C. Gentamicin
D. Vancomycin

Correct Answer: B

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Question 8 View Details
A diagram of a plant cell is shown below. What is the function of the structure labeled 'A'?
A. Mitochondria
B. Chloroplast
Correct C. Nucleus
D. Vacuole

Correct Answer: C

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Question 9 View Details
A species of bird has a beak that is adapted for cracking open nuts. What type of natural selection is occurring in this population?
A. Artificial selection
Correct B. Natural selection
C. Genetic drift
D. Gene flow

Correct Answer: B

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Question 10 View Details
A diagram of a human digestive system is shown below. What is the function of the structure labeled 'B'?
A. Small intestine
Correct B. Large intestine
C. Liver
D. Pancreas

Correct Answer: B

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Question 11 View Details
In the context of excretion and osmoregulation, what is the primary function of the kidneys in maintaining homeostasis?
A. To regulate blood pH levels
B. To remove waste products from the blood
Correct C. To maintain fluid balance and electrolyte levels
D. To regulate body temperature

Correct Answer: C

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Question 12 View Details
A diagram of the human respiratory system is shown below. Identify the structure labeled 'A' in the diagram.
A. Trachea
Correct B. Lungs
C. Diaphragm
D. Bronchi

Correct Answer: B

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Question 13 View Details
In the context of nutrition, what is the primary function of the enzyme amylase in the digestive system?
A. To break down proteins into amino acids
Correct B. To break down carbohydrates into simple sugars
C. To break down fats into fatty acids
D. To break down nucleic acids into nucleotides

Correct Answer: B

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Question 14 View Details
A diagram of the human circulatory system is shown below. Identify the structure labeled 'A' in the diagram.
A. Arteries
Correct B. Heart
C. Veins
D. Capillaries

Correct Answer: B

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Question 15 View Details
In the context of classification of living things, what is the primary function of the kingdom level in the taxonomy system?
A. To classify organisms based on their morpho\logy
B. To classify organisms based on their physio\logy
Correct C. To classify organisms based on their evolutionary history
D. To classify organisms based on their eco\logical niches

Correct Answer: C

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Question 16 View Details
In a population of Drosophila melanogaster, the frequency of the recessive allele 'b' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype 'BB'?
Correct A. 0.36
B. 0.64
C. 0.72
D. 0.84

Correct Answer: A

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Question 17 View Details
A diagram of the human eye is shown below. Which part of the eye is responsible for detecting light?
A. Cornea
B. Iris
Correct C. Retina
D. Lens

Correct Answer: C

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Question 18 View Details
A 2.5 g sample of a compound is dissolved in 25 mL of water. The solution is then titrated with 0.1 M HCl. If 15 mL of HCl is required to reach the equivalence point, what is the molar mass of the compound?
A. 100 g/mol
B. 150 g/mol
Correct C. 200 g/mol
D. 250 g/mol

Correct Answer: C

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Question 19 View Details
A diagram of a plant cell is shown below. Which part of the cell is responsible for photosynthesis?
Correct A. Chloroplast
B. Mitochondria
C. Vacuole
D. Nucleus

Correct Answer: A

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Question 20 View Details
A 5.0 g sample of a compound is dissolved in 50 mL of water. The solution is then titrated with 0.05 M NaOH. If 20 mL of NaOH is required to reach the equivalence point, what is the molar mass of the compound?
A. 50 g/mol
B. 75 g/mol
Correct C. 100 g/mol
D. 125 g/mol

Correct Answer: C

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Question 21 View Details
The process of photosynthesis in plants involves the conversion of light energy into chemical energy. Which of the following is a byproduct of this process?
A. Oxygen
B. Carbon dioxide
C. Water
Correct D. Glu\cose

Correct Answer: D

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Question 22 View Details
The nervous system is responsible for coordinating the body's responses to stimuli. Which of the following is a type of neuron?
A. Motor neuron
B. Sensory neuron
Correct C. Interneuron
D. Glia cell

Correct Answer: C

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Question 23 View Details
The process of digestion involves the breakdown of food into smaller molecules. Which of the following enzymes is responsible for breaking down proteins?
A. Amylase
B. Lipase
Correct C. Tryp\sin
D. Lactase

Correct Answer: C

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Question 24 View Details
The sense organ responsible for detecting changes in light intensity is the?
Correct A. Eye
B. Ear
C. Nose
D. Skin

Correct Answer: A

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Question 25 View Details
The process of evolution involves the change in the frequency of a gene in a population over time. Which of the following is a mechanism of evolution?
A. Mutation
B. Genetic drift
C. Gene flow
Correct D. Natural selection

Correct Answer: D

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