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Question

Name of a gaseous plant hormone is

A
IAA
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B
Gibberellin
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C
Ethylene
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D
Abscisic acid
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Solution

The correct option is C Ethylene
Ethylene is a gaseous plant hormone also known as the ripening hormone. It is synthesized in ripening fruits, flowers, leaves, and even roots. It initiates a chain of reactions in fruits responsible for the changes in texture, softening, color and other processes. This hormone also induces leaf abscission, seed germination, leaf and flower senescence. Thus the correct answer is option C.

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