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 controls heartbeat and breathing?
A) Cerebellum
B) Cerebrum
C) Medulla oblongata
D) Thalamus
โœ… Correct Answer: C
Explanation: The medulla regulates vital functions like heartbeat and breathing.
Q: Which vitamin prevents scurvy?
A) Vitamin C
B) Vitamin D
C) Vitamin E
D) Vitamin A
โœ… Correct Answer: A
Explanation: Vitamin C is essential for connective tissue repair.
Q: Which structure in the cell contains chromosomes?
A) Vacuole
B) Cytoplasm
C) Golgi body
D) Nucleus
โœ… Correct Answer: D
Explanation: Chromosomes are found inside the nucleus.
Q: What is the term for animals that eat plants?
A) Omnivores
B) Herbivores
C) Carnivores
D) Decomposers
โœ… Correct Answer: B
Explanation: Herbivores feed exclusively on plants.
Q: Which part of the flower develops into fruit?
A) Anther
B) Style
C) Stigma
D) Ovary
โœ… Correct Answer: D
Explanation: The ovary becomes the fruit after fertilization.