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Ethylene

Which is the ...

Question

Which is the only gaseous phytohormone in nature?

A

Ethylene

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B

Zeatin

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C

GA

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D

IAA

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Solution

The correct option is A
Ethylene

Ethylene is a gaseous phytohormone that promotes ripening of fruits. It also promotes senescence in plants. Zeatin (Cytikinin), GA (Gibberellic acid and IAA (auxin) are not found in gaseous state.

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