MCQ
The hormone responsible for phototropism and geotropism is:
  • Auxin
  • B
    Gibberellin
  • C
    Enzyme
  • D
    Starch

Answer

Correct option: A.
Auxin
(a) Auxin
Explanation:
Auxin regulates tropic movements by regulating the growth and elongation of the plant part in specified directions.

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