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Question

Identify the pair that is correctly matched from the given.

Auxin – cell division
Gibberellin – internodal elongation
Cytokinin – fruit ripening
Ethylene – apical dominance


A

Auxin – cell division

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B

Gibberellin – internodal elongation

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C

Cytokinin – fruit ripening

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D

Ethylene – apical dominance

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Solution

The correct option is B

Gibberellin – internodal elongation


Auxin, gibberellin, cytokinin and ethylene are hormones that are present in plants. Gibberellins promote internodal growth and cell elongation. Auxin, produced in the apical part of the plant, helps in enlargement of cells. Cytokinin brings about cell division. Ethylene, the only gaseous hormone, promotes ripening of fruits.


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