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Question

Ethylene is a simple gaseous phytohormone that is synthesised from .

A
tryptophan
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B
methionine
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C
tyrosine
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D
acetyl CoA
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Solution

The correct option is B methionine
Ethylene is a simple gaseous plant growth inhibitor and is synthesized from the amino acid methionine. It is synthesized in large amounts by tissues undergoing senescence and ripening fruits.

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