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 part of the brain regulates breathing and heartbeat?
A) Cerebellum
B) Cerebrum
C) Medulla oblongata
D) Hypothalamus
✅ Correct Answer: C
Explanation: The medulla controls involuntary functions.
Q: Which is the functional unit of the kidney?
A) Neuron
B) Villi
C) Alveoli
D) Nephron
✅ Correct Answer: D
Explanation: Nephrons filter blood and form urine in kidneys.
Q: What is the role of chlorophyll?
A) Absorb water
B) Absorb sunlight
C) Protect cell
D) Store glucose
✅ Correct Answer: B
Explanation: Chlorophyll captures sunlight for photosynthesis.
Q: Which type of muscle is found in the heart?
A) Cardiac
B) Voluntary
C) Skeletal
D) Smooth
✅ Correct Answer: A
Explanation: Cardiac muscles are specialized for continuous heart contraction.