POST UTME UNN 2018 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
What is the primary function of the mitochondria in a cell?
A. To synthesize proteins
B. To store genetic information
C. To generate energy for the cell
D. To regulate cell growth and division
Question 2
What is the term for the process by which an organism's genetic information is passed from one generation to the next?
A. Mutation
B. Genetic drift
C. Natural selection
D. Heritability
Question 3
In the process of osmoregulation, what is the primary mechanism by which the kidney regulates the concentration of water in the blood?
A. Active transport of water across the renal tubules
B. Passive diffusion of water across the renal tubules
C. Excretion of excess water through the urine
D. Reabsorption of water from the filtrate
Question 4
In a eukaryotic cell, the process of cell division that results in the production of four daughter cells, each with the same number of chromosomes as the parent cell, is known as
A. Mitosis
B. Meiosis
C. Binary Fission
D. Endosymbiosis
Question 5
The process of meiosis in a diploid organism results in the production of four haploid cells. Which of the following is a characteristic of these haploid cells?
A. They have the same number of chromosomes as the parent cell
B. They have half the number of chromosomes as the parent cell
C. They have the same number of chromosomes as the diploid cell
D. They have twice the number of chromosomes as the diploid cell
Question 6
In the process of digestion, what is the primary function of the pancreas?
A. To secrete digestive enzymes into the small intestine
B. To secrete hormones that regulate blood sugar levels
C. To regulate the pH of the stomach
D. To secrete mucus that protects the stomach lining
Question 7
A diagram of a plant cell is shown below. Which of the following organelles is responsible for protein synthesis?
A. Nucleus
B. Mitochondria
C. Ribosomes
D. Lysosomes
Question 8
A cell is placed in a solution with a higher concentration of glu\cose. What happens to the cell?
A. The cell will shrink due to water loss
B. The cell will swell due to water uptake
C. The cell will remain unchanged
D. The cell will lyse due to osmotic shock
Question 9
The sense organ responsible for detecting changes in sound waves is the
A. Ear
B. Eye
C. Nose
D. Tongue
Question 10
In a photosynthetic organism, the light-dep\endent reactions occur in the thylakoid membranes of the chloroplasts. Which of the following is a key component of the light-dep\endent reactions?
A. ATP synthase
B. Photosystem II
C. Rubisco
D. Cytochrome b6f complex
Question 11
In the process of osmoregulation, what is the primary mechanism by which the kidney regulates the concentration of ions in the blood?
A. Active transport of ions across the renal tubules
B. Passive diffusion of ions across the renal tubules
C. Excretion of excess ions through the urine
D. Reabsorption of ions from the filtrate
Question 12
A diagram of a human eye is shown below. Which of the following structures is responsible for detecting light?
A. Cornea
B. Iris
C. Retina
D. Lens
Question 13
What is the primary function of the vacuole in plant cells?
A. Storage of water and minerals
B. Production of ethylene gas
C. Regulation of stomatal opening
D. Transport of sugars and other organic compounds
Question 14
Asexual reproduction in plants can occur through the formation of
A. Seeds
B. Spores
C. Buds
D. Rhizomes
Question 15
A 30-year-old female patient presents with symptoms of abdominal pain, nausea, and vomiting. Her blood pressure is 120/80 mmHg. Which of the following is the most likely cause of her condition?
A. Gastroesophageal reflux disease (GERD)
B. Peptic ulcer disease (PUD)
C. Irritable bowel syndrome (IBS)
D. Inflammatory bowel disease (IBD)

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