BMAT Trivia 3 — Questions and Answers
Question 1: Which blood vessel carries oxygenated blood away from the heart to the body?
- Pulmonary vein
- Aorta (Correct answer)
- Vena cava
- Pulmonary artery
Correct answer: Aorta
The aorta is the main artery that carries oxygenated blood from the left ventricle to the systemic circulation.
Question 2: Which element has the atomic number 6?
- Nitrogen
- Oxygen
- Carbon (Correct answer)
- Boron
Correct answer: Carbon
Carbon has atomic number 6, meaning it has 6 protons in its nucleus.
Question 3: In which phase of mitosis do chromosomes line up along the cell's equator?
- Prophase
- Telophase
- Metaphase (Correct answer)
- Anaphase
Correct answer: Metaphase
During metaphase, chromosomes align at the metaphase plate before being pulled to opposite poles.
Question 4: A rectangle has a length of 12 cm and a width of 5 cm. What is the length of its diagonal?
- 13 cm (Correct answer)
- 17 cm
- 7 cm
- 11 cm
Correct answer: 13 cm
By the Pythagorean theorem: √(12² + 5²) = √(144 + 25) = √169 = 13 cm.
Question 5: Which vitamin is synthesised in the skin upon exposure to sunlight?
- Vitamin A
- Vitamin C
- Vitamin D (Correct answer)
- Vitamin K
Correct answer: Vitamin D
UV-B radiation converts 7-dehydrocholesterol in skin to vitamin D3 (cholecalciferol).
Question 6: What is the name for the process by which plants lose water vapour through their leaves?
- Transpiration (Correct answer)
- Evaporation
- Osmosis
- Respiration
Correct answer: Transpiration
Transpiration is the process by which water is absorbed by roots, transported through the plant, and released as vapour via stomata.
Question 7: Two dice are rolled. What is the probability of getting a total of 7?
- 1/6 (Correct answer)
- 1/12
- 7/36
- 5/36
Correct answer: 1/6
There are 6 ways to get a total of 7 out of 36 possible outcomes, giving 6/36 = 1/6.
BMAT Trivia 3
Which blood vessel carries oxygenated blood away from the heart to the body?