Biology MCQs
Biology MCQs cover cell biology, botany, zoology, genetics, microbiology, and physiology. Ideal for MDCAT, CSS, PMS, FPSC, and PPSC exams, they boost conceptual clarity and analytical skills for academic and competitive success.
Q: Which organ is responsible for producing insulin?
A) Pancreas
B) Spleen
C) Kidney
D) Liver
✅ Correct Answer: A
Explanation: The pancreas secretes insulin to regulate blood sugar.
Q: What is the role of enzymes?
A) Fight infection
B) Provide energy
C) Store fat
D) Speed up chemical reactions
✅ Correct Answer: D
Explanation: Enzymes act as catalysts in biochemical reactions.
Q: What protects the end of bones at joints?
A) Fat
B) Ligaments
C) Cartilage
D) Tendons
✅ Correct Answer: C
Explanation: Cartilage provides cushioning at joints.
Q: Which vitamin helps absorb calcium?
A) Vitamin C
B) Vitamin K
C) Vitamin A
D) Vitamin D
✅ Correct Answer: D
Explanation: Vitamin D enhances calcium absorption for bone health.
Q: Which part of the brain controls balance?
A) Medulla
B) Cerebrum
C) Cerebellum
D) Thalamus
✅ Correct Answer: C
Explanation: The cerebellum coordinates balance and movement.