Which of the following hormones does not natu | vedclass

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(A) Synthetic auxins are artificial compounds that induce physiological responses similar to those of $IAA$ (Indole$-3-$acetic acid). $2,4-D$ ($2,4$-d

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$2,4-D$

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(A) Synthetic auxins are artificial compounds that induce physiological responses similar to those of $IAA$ (Indole$-3-$acetic acid). $2,4-D$ ($2,4$-dichlorophenoxyacetic acid) is a synthetic auxin that does not occur naturally in plants and is widely used as a herbicide or weedicide. In contrast,$IAA$,$GA$ (Gibberellic acid),and $ABA$ (Abscisic acid) are naturally occurring plant hormones.

Which of the following hormones does not naturally occur in plants?

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