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: What do we call the study of heredity?
A) Anatomy
B) Evolution
C) Genetics
D) Ecology
✅ Correct Answer: C
Explanation: Genetics is the branch of biology that studies inheritance.
Q: Which part of the plant carries out photosynthesis?
A) Stem
B) Root
C) Flower
D) Leaf
✅ Correct Answer: D
Explanation: Leaves have chloroplasts for photosynthesis.
Q: What is the name of the male part of a flower?
A) Ovary
B) Stamen
C) Pistil
D) Style
✅ Correct Answer: B
Explanation: The stamen consists of the anther and filament.
Q: What do enzymes do?
A) Store fat
B) Carry oxygen
C) Provide energy
D) Speed up reactions
✅ Correct Answer: D
Explanation: Enzymes are biological catalysts.
Q: Which disease is caused by a lack of insulin?
A) Anemia
B) Diabetes
C) Rickets
D) Goiter
✅ Correct Answer: B
Explanation: Diabetes occurs when insulin is deficient or ineffective.