The synthetic hormone used as a weedicide is

indole 3-acetic acid

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gibberellic acid

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2,4-dichlorophenoxyacetic acid

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malic hydrazide

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Solution

The correct option is C 2,4-dichlorophenoxyacetic acid
The most common and effective weedicide to kill all the broad leaved weeds is 2,4-D.

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The precursor of Indole 3 acetic acid is

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