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 gas is essential for respiration?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen
✅ Correct Answer: A
Explanation: Oxygen is required for cellular respiration.
Q: What is the largest organ in the human body?
A) Lungs
B) Skin
C) Liver
D) Heart
✅ Correct Answer: B
Explanation: The skin is the largest organ and protects the body.
Q: Which organ stores bile?
A) Pancreas
B) Kidney
C) Liver
D) Gallbladder
✅ Correct Answer: D
Explanation: The gallbladder stores and releases bile for digestion.
Q: Which blood group is known as the universal recipient?
A) AB
B) O
C) B
D) A
✅ Correct Answer: A
Explanation: AB can receive from any blood type.
Q: Which structure in plants transports water?
A) Phloem
B) Chloroplast
C) Xylem
D) Stomata
✅ Correct Answer: C
Explanation: Xylem conducts water from roots to leaves.