NEET 2026 Biology question

Which of the following plant growth regulators is used as herbicide?

(1)2, 4-DCorrect
(2)Kinetin
(3)Abscisic acid
(4)Gibberellin

Answer: (1)

Solution

2,4-D (2,4-dichlorophenoxyacetic acid), a synthetic auxin, is widely used to kill dicot weeds in monocot crop fields, so it acts as a herbicide. Kinetin

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Question ID VK-105096