POST UTME KSU 2022 Biology | Objective

Are you preparing for POST UTME KSU exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2022 Biology (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1
A 45-year-old patient with a history of hypertension and type 2 diabetes mellitus presents with symptoms of fatigue, weakness, and shortness of breath. Laboratory results show elevated serum creatinine levels and a low hemoglobin level. Which of the following is the most likely diagnosis?
A. Chronic Kidney Disease (CKD)
Correct B. Diabetic Nephropathy
C. Hypertensive Nephrosclerosis
D. Acute Kidney Injury (AKI)

Correct Answer: B

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Question 2
A researcher is studying the effects of a new medication on blood pressure in patients with hypertension. The medication is a \beta-blocker that works by blocking the effects of epinephrine on the heart. Which of the following is the primary mechanism of action of this medication?
Correct A. Blocking the effects of epinephrine on the heart
B. Increa\sing the heart rate
C. Decrea\sing the heart rate
D. Increa\sing the contractility of the heart

Correct Answer: A

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Question 3
A 25-year-old woman presents with symptoms of amenorrhea and galactorrhea. Laboratory results show elevated prolactin levels. Which of the following is the most likely diagnosis?
Correct A. Prolactinoma
B. Hyperprolactinemia
C. Polycystic Ovary Syndrome (PCOS)
D. Thyroiditis

Correct Answer: A

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Question 4
A 35-year-old man presents with symptoms of erectile dysfunction. Laboratory results show low testosterone levels. Which of the following is the most likely diagnosis?
Correct A. Hypogonadism
B. Erectile Dysfunction (ED)
C. Low Testosterone
D. Prostate Cancer

Correct Answer: A

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Question 5
A 40-year-old woman presents with symptoms of hot flashes and night sweats. Laboratory results show elevated follicle-stimulating hormone (FSH) levels. Which of the following is the most likely diagnosis?
Correct A. Premature Ovarian Failure (POF)
B. Perimenopause
C. Menopause
D. Polycystic Ovary Syndrome (PCOS)

Correct Answer: A

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Question 6
In the xylem, what is the primary function of the tracheids?
Correct A. Transport of water and minerals from roots to leaves
B. Production of sugars through photosynthesis
C. Storage of food and water in plants
D. Regulation of plant growth and development

Correct Answer: A

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Question 7
What is the primary difference between the nervous and hormonal systems in terms of signal transmission?
A. Speed of signal transmission
Correct B. Method of signal transmission
C. Location of signal transmission
D. Type of signal transmitted

Correct Answer: B

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Question 8
Classify the following organisms into their respective kingdoms: Bacteria, Archaea, Protista, Fungi, Animalia, Plantae, and Monera.
Correct A. Bacteria: Monera, Archaea: Protista, Fungi: Animalia, Plantae: Monera
B. Bacteria: Monera, Archaea: Protista, Fungi: Animalia, Plantae: Protista
C. Bacteria: Monera, Archaea: Protista, Fungi: Animalia, Plantae: Animalia
D. Bacteria: Monera, Archaea: Protista, Fungi: Protista, Plantae: Animalia

Correct Answer: A

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Question 9
Identify the part of the eye responsible for detecting light and color.
A. Cornea
B. Iris
Correct C. Retina
D. Lens

Correct Answer: C

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Question 10
What is the primary function of the phagocytic cells in the immune system?
A. Production of antibodies
B. Activation of immune cells
Correct C. Phagocytosis of foreign particles
D. Regulation of immune response

Correct Answer: C

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Question 11
In a eukaryotic cell, the process of mitosis involves the separation of chromosomes into two daughter cells. Which stage of mitosis is characterized by the condensation of chromosomes and the formation of the spindle apparatus?
Correct A. Prophase
B. Metaphase
C. Anaphase
D. Telophase

Correct Answer: A

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Question 12
In the context of cellular respiration, what is the primary function of the electron transport chain?
A. To generate ATP from glu\cose
B. To produce NADH and FADH2
Correct C. To pump protons across the mitochondrial membrane
D. To synthesize fatty acids

Correct Answer: C

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Question 13
In a plant cell, the vacuole is responsible for storing what type of subs\tance?
Correct A. Water and ions
B. Carbohydrates and proteins
C. Lipids and pigments
D. Minerals and salts

Correct Answer: A

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Question 14
In the context of genetics, what is the term for the process by which a gene is turned on or off?
A. Gene expression
Correct B. Gene regulation
C. Gene mutation
D. Gene duplication

Correct Answer: B

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Question 15
In a prokaryotic cell, the process of binary fission involves the replication of what type of molecule?
Correct A. DNA
B. RNA
C. Protein
D. Lipid

Correct Answer: A

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Question 16
The nervous system's ability to coordinate voluntary movements is primarily due to the integration of signals from which of the following?
A. Sensory receptors
B. Motor neurons
Correct C. Interneurons
D. Reflex arcs

Correct Answer: C

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Question 17
The process of natural selection can be described as a mechanism of evolution that favors the survival and reproduction of individuals with which of the following traits?
A. Genetic diversity
Correct B. Adaptation to environment
C. Reproductive success
D. Genetic drift

Correct Answer: B

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Question 18
The human eye's ability to detect light is primarily due to the presence of which of the following photoreceptors?
Correct A. Rods
B. Cones
C. Bipolar cells
D. Ganglion cells

Correct Answer: A

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Question 19
The process of photosynthesis in plants involves the conversion of which of the following into glu\cose?
Correct A. Carbon dioxide
B. Water
C. Light energy
D. Oxygen

Correct Answer: A

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Question 20
The human immune system's ability to recognize and respond to pathogens is primarily due to the presence of which of the following cells?
Correct A. T cells
B. B cells
C. Macrophages
D. D\endritic cells

Correct Answer: A

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Question 21
The nervous system is responsible for transmitting signals from the brain to the muscles through the process of
A. synaptic transmission
B. neurotransmitter release
Correct C. action potential propagation
D. axon reflex

Correct Answer: C

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Question 22
The process of mitosis results in the production of
Correct A. 2 daughter cells with the same number of chromosomes
B. 4 daughter cells with the same number of chromosomes
C. 2 daughter cells with half the number of chromosomes
D. 4 daughter cells with half the number of chromosomes

Correct Answer: A

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Question 23
The hormone insulin is produced by the
Correct A. pancreas
B. adrenal glands
C. pituitary gland
D. thyroid gland

Correct Answer: A

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Question 24
The process of photosynthesis occurs in the
A. roots
Correct B. leaves
C. stems
D. flowers

Correct Answer: B

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Question 25
The classification of living organisms is based on
A. morpho\logy
B. physio\logy
C. biochemistry
Correct D. genetics

Correct Answer: D

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