UCAT General Knowledge 2 — Questions and Answers
Question 1: Which organ produces insulin in the human body?
- Liver
- Pancreas (Correct answer)
- Adrenal gland
- Spleen
Correct answer: Pancreas
Insulin is produced by the beta cells of the islets of Langerhans within the pancreas.
Question 2: What does DNA stand for?
- Deoxyribonucleic acid (Correct answer)
- Diribonucleic acid
- Deoxyribose nucleotide array
- Double nucleotide acid
Correct answer: Deoxyribonucleic acid
DNA stands for deoxyribonucleic acid, the molecule that carries genetic information in living organisms.
Question 3: Which of the following is NOT a function of the liver?
- Detoxification of blood
- Bile production
- Insulin secretion (Correct answer)
- Glycogen storage
Correct answer: Insulin secretion
Insulin is secreted by the pancreas, not the liver; the liver stores glycogen but does not produce insulin.
Question 4: How many chambers does the human heart have?
- Two
- Three
- Four (Correct answer)
- Six
Correct answer: Four
The human heart has four chambers: left and right atria, and left and right ventricles.
Question 5: What is the normal resting heart rate for a healthy adult?
- 40–50 bpm
- 60–100 bpm (Correct answer)
- 110–130 bpm
- 150–180 bpm
Correct answer: 60–100 bpm
A normal resting heart rate for adults ranges from 60 to 100 beats per minute.
Question 6: Which vitamin is primarily synthesized in the skin upon exposure to sunlight?
- Vitamin A
- Vitamin B12
- Vitamin C
- Vitamin D (Correct answer)
Correct answer: Vitamin D
Ultraviolet B radiation from sunlight converts 7-dehydrocholesterol in the skin to vitamin D3.
Question 7: The scientific study of the structure of the human body is called:
- Physiology
- Pathology
- Anatomy (Correct answer)
- Histology
Correct answer: Anatomy
Anatomy is the branch of science concerned with the structure of organisms and their parts.
Which organ produces insulin in the human body?