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Question

Hormone stimulating internodal growth in plants


A

Auxin

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B

Cytokinin

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C

Gibberillin

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D

ABA

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Solution

The correct option is C

Gibberillin


The correct option is C:

Explanation of the correct option:

  1. Gibberellins stimulate internodal elongation
  2. Controls germination, elongation growth, flower development, and flowering time.

Explanation of the incorrect option:

Option A:

Auxin stimulates cell division.

Option B:

Cytokinins promote cell division and increase cell expansion.

Option C:

ABA usually inhibits most of the plant growth parameters.

Final answer: Gibberillin is the hormone stimulating internodal growth in plants


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