POST UTME MOUNTAIN TOP UNIVERSITY 2023 Biology | Objective

Are you preparing for POST UTME MOUNTAIN TOP UNIVERSITY exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2023 Biology (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1
In a eukaryotic cell, the process of mitosis is initiated by the breakdown of the nuclear envelope, which is triggered by the activation of the ΔΔ kinase. What is the primary function of the ΔΔ kinase in this process?
Correct A. To phosphorylate and activate the nuclear lamina
B. To degrade the nuclear envelope
C. To regulate the spindle assembly checkpoint
D. To control the condensation of chromatin

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 2
A 20-year-old male patient presents with a 2-year history of progressive weakness and fatigue. His serum creatinine level is elevated, and his urine analysis shows proteinuria and hematuria. Which of the following is the most likely diagnosis?
Correct A. Focal segmental glomerulosclerosis (FSGS)
B. Membranous nephropathy
C. Minimal change disease
D. IgA nephropathy

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 3
A 35-year-old female patient presents with a 5-year history of recurrent episodes of abdominal pain, nausea, and vomiting. Her symptoms are exacerbated by eating fatty foods. Which of the following is the most likely diagnosis?
Correct A. Gallstones
B. Cholecystitis
C. Pancreatitis
D. Irritable bowel syndrome (IBS)

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 4
A 25-year-old male patient presents with a 2-year history of progressive shortness of breath and fatigue. His chest X-ray shows cardiomegaly, and his electrocardiogram (ECG) shows left ventricular hypertrophy. Which of the following is the most likely diagnosis?
Correct A. Hypertrophic cardiomyopathy
B. Dilated cardiomyopathy
C. Arrhythmogenic right ventricular cardiomyopathy
D. Left ventricular non-compaction cardiomyopathy

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 5
A 30-year-old female patient presents with a 3-year history of recurrent episodes of dizziness and syncope. Her symptoms are exacerbated by s\tanding up quickly. Which of the following is the most likely diagnosis?
A. Postural orthostatic tachycardia syndrome (POTS)
B. Vasovagal syncope
C. Carotid \sinus hypersensitivity
Correct D. Orthostatic hypotension

Correct Answer: D

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 6
In asexual reproduction, what is the primary mechanism by which genetic variation is introduced?
A. Mutation
B. Gene flow
C. Genetic drift
Correct D. Genetic recombination

Correct Answer: D

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 7
What is the primary function of the xylem in plants?
A. Transport of sugars
Correct B. Transport of water and minerals
C. Support and storage
D. Protection from pathogens

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 8
In the context of cell division, what is the term for the process by which the cytoplasm divides?
A. Mitosis
B. Meiosis
Correct C. Cytokinesis
D. Endoreduplication

Correct Answer: C

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 9
What is the primary function of the sense organ responsible for detecting sound waves?
A. To detect light
Correct B. To detect vibrations
C. To detect temperature
D. To detect pressure

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 10
In the context of classification, what is the term for the process by which organisms are grouped based on their shared characteristics?
A. Phy\logeny
Correct B. Taxonomy
C. Phy\logenetics
D. Systematics

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 11
In the context of classification of living things, what is the primary function of the kingdom level?
A. To group organisms based on their cell structure
Correct B. To group organisms based on their genetic makeup
C. To group organisms based on their body structure
D. To group organisms based on their habitat

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 12
In a typical human cell, what is the primary function of the mitochondria?
A. To synthesize proteins
B. To store genetic information
Correct C. To generate energy for the cell
D. To regulate cell growth

Correct Answer: C

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 13
In the context of respiration and gas exchange, what is the primary function of the alveoli?
Correct A. To exchange oxygen and carbon dioxide with the environment
B. To regulate body temperature
C. To synthesize proteins
D. To store genetic information

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 14
In the context of excretion and osmoregulation, what is the primary function of the kidneys?
A. To regulate body temperature
B. To synthesize proteins
C. To store genetic information
Correct D. To filter waste and excess fluids from the blood

Correct Answer: D

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 15
In the context of tissues, organs, and systems, what is the primary function of the nervous system?
A. To synthesize proteins
B. To store genetic information
C. To regulate body temperature
Correct D. To transmit and process information

Correct Answer: D

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 16
In the context of evolutionary bio\logy, what is the primary mechanism driving the adaptation of populations to changing environments?
Correct A. Natural Selection
B. Genetic Drift
C. Gene Flow
D. Mutation

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 17
A diagram of the human circulatory system is shown below. Identify the structure labeled 'A'?
A. Aorta
B. Lungs
Correct C. Heart
D. Veins

Correct Answer: C

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 18
The diagram below shows a cross-section of a plant root. Identify the structure labeled 'X'?
Correct A. Root
B. Stem
C. Leaves
D. Soil

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 19
A diagram of the human eye is shown below. Identify the structure labeled 'B'?
A. Cornea
Correct B. Iris
C. Retina
D. Lens

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 20
The diagram below shows a cross-section of a human brain. Identify the structure labeled 'D'?
A. Cerebrum
B. Cerebellum
C. Brainstem
Correct D. Spinal Cord

Correct Answer: D

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 21
A diagram of the human reproductive system is shown below. Identify the structure labeled 'E'?
A. Ovary
B. Fallopian Tube
C. Uterus
D. Vagina
Correct E. Testis

Correct Answer: E

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 22
The diagram below shows a cross-section of a plant leaf. Identify the structure labeled 'F'?
Question 23
The xylem tissue in plants is responsible for transporting water and minerals from the roots to the leaves. Which of the following is a characteristic of xylem tissue?
A. It is composed of dead cells.
B. It is composed of living cells.
C. It is responsible for transporting sugars from the leaves to the roots.
Correct D. It is responsible for transporting water and minerals from the roots to the leaves.

Correct Answer: D

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 24
The process of mitosis is a type of cell division that results in two daughter cells that are genetically identical to the parent cell. Which of the following stages of mitosis is responsible for the separation of chromosomes?
A. Prophase
B. Metaphase
Correct C. Anaphase
D. Telophase

Correct Answer: C

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics
Question 25
The human eye is an example of a complex organ that is composed of many different tissues. Which of the following tissues is responsible for the transmission of light to the retina?
A. Cornea
B. Iris
C. Retina
Correct D. Lens

Correct Answer: D

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

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:
Chat with Support