POST UTME UNILAG 2022 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The Hardy-Weinberg principle states that allele and genotype frequencies in a population will remain cons\tant from generation to generation in the absence of other evolutionary influences. However, this principle assumes a population size of _______
A. 1000
B. 10000
C. 100000
D. 1000000
Question 2
The diagram below shows the structure of a neuron. Which of the following is a function of the d\endrites?
A. Synthesis of neurotransmitters
B. Transmission of nerve impulses
C. Reception of nerve impulses
D. Storage of nerve impulses
Question 3
The process of asexual reproduction in bacteria involves the division of the bacterial cell into two daughter cells. This process is known as _______
A. binary fission
B. mitosis
C. meiosis
D. none of the above
Question 4
A population of rabbits is introduced to a new island with an abundance of food and no natural predators. Which of the following best describes the expected outcome of this scenario?
A. The population will remain stable due to limited resources
B. The population will increase exponentially due to abundant resources
C. The population will decrease due to genetic drift
D. The population will become extinct due to lack of genetic diversity
Question 5
What is the process by which plants convert light energy into chemical energy?
A. Respiration
B. Photosynthesis
C. Decomposition
D. Fermentation
Question 6
The process of osmoregulation in animals involves the regulation of _______
A. water balance
B. ion balance
C. electrolyte balance
D. all of the above
Question 7
In the xylem, what is the primary function of the tracheids?
A. Transport of water and minerals from the roots to the leaves
B. Transport of sugars and other organic compounds from the leaves to the rest of the plant
C. Support and structure for the plant
D. Storage of food and water
Question 8
The structure of the human kidney includes the nephrons, which are responsible for filtering waste and excess fluids from the blood. The nephrons are made up of the glomerulus, proximal convoluted tubule, and _______
A. distal convoluted tubule
B. loop of Henle
C. collecting duct
D. all of the above
Question 9
A researcher is studying the structure of a protein and wants to determine the secondary structure of a particular region. Which of the following techniques would be most appropriate for this task?
A. X-ray crystal\lography
B. Nuclear magnetic resonance (NMR) spectroscopy
C. Circular dichroism (CD) spectroscopy
D. Infrared (IR) spectroscopy
Question 10
What is the term for the process by which an organism's genetic information is passed from one generation to the next?
A. Genetic drift
B. Natural selection
C. Mutation
D. Heredity
Question 11
In the context of blood transport systems, what is the primary function of the erythrocytes?
A. To regulate blood pH
B. To transport oxygen to tissues
C. To remove waste products from the blood
D. To maintain blood pressure
Question 12
The process of osmoregulation in animals involves the regulation of water and salt balance in the body. Which of the following is a key mechanism involved in osmoregulation in the kidney?
A. Reabsorption of glu\cose and amino acids
B. Secretion of antidiuretic hormone (ADH)
C. Excretion of excess salt and water
D. Reabsorption of water in the collecting duct
Question 13
Which of the following is an example of a tissue in the human body?
A. Nerve cell
B. Muscle cell
C. Epithelial cell
D. Connective tissue
Question 14
In the respiratory system, what is the primary function of the alveoli?
A. Exchange of oxygen and carbon dioxide
B. Production of red blood cells
C. Filtering of blood
D. Regulation of body temperature
Question 15
A patient presents with a severe case of tuberculosis. Which of the following is the most likely cause of the disease?
A. Infection with Mycobacterium tuberculosis
B. Infection with Mycobacterium bovis
C. Infection with Mycobacterium avium
D. Infection with Mycobacterium kansasii

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: