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 cells carry messages in the body?
A) Platelets
B) Muscle
C) Red blood cells
D) Neurons
✅ Correct Answer: D
Explanation: Neurons transmit electrical impulses.
Q: What is the powerhouse of the plant cell?
A) Mitochondria
B) Chloroplast
C) Nucleus
D) Vacuole
✅ Correct Answer: A
Explanation: Mitochondria generate cellular energy.
Q: Which part of the brain is responsible for thinking?
A) Medulla
B) Cerebellum
C) Brainstem
D) Cerebrum
✅ Correct Answer: D
Explanation: The cerebrum controls reasoning and thoughts.
Q: What process produces gametes?
A) Fission
B) Meiosis
C) Budding
D) Mitosis
✅ Correct Answer: B
Explanation: Meiosis reduces chromosome number to produce gametes.
Q: Which blood component helps in clotting?
A) Plasma
B) RBC
C) Platelets
D) WBC
✅ Correct Answer: C
Explanation: Platelets help form clots to stop bleeding.