Botany MCQs
Ace NEET, CSS, UPSC, PMS, PPSC, and NTS exams with Botany MCQs focused on plant physiology, reproduction, taxonomy, and ecology. Gain a solid foundation to excel in biology and competitive exams.
Q: Root cap cells are replaced by
A) Meristematic cells
B) Parenchyma
C) Collenchyma
D) Sclerenchyma
✅ Correct Answer: A
Explanation: Root apical meristem produces new cap cells.
Q: Function of pectin in plant cells
A) Strength
B) Flexibility
C) Adhesion
D) Water retention
✅ Correct Answer: C
Explanation: Pectin helps bind cell walls together.
Q: Apical dominance is controlled mainly by
A) Auxin
B) Cytokinin
C) Gibberellin
D) Ethylene
✅ Correct Answer: A
Explanation: Auxin suppresses lateral bud growth.
Q: Nitrogen fixing bacteria found in
A) Root nodules
B) Leaves
C) Stem
D) Flowers
✅ Correct Answer: A
Explanation: Nodules contain Rhizobium bacteria.
Q: Structure that stores food in seeds
A) Endosperm
B) Cotyledon
C) Embryo
D) Seed coat
✅ Correct Answer: A
Explanation: Endosperm provides nutrition for embryo.