Assertion :2, 4-D is extensively used in agricultural and horticultural practices. Reason: 2, 4-D is a herbicide.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
NAA (naphthalene acetic acid) and 2, 4-D (2, 4-dichlorophenoxyacetic acid are synthetic auxins. All these auxins have been used extensively in agricultural and horticultural practices. They are widely used as herbicides. 2, 4-D is widely used to kill dicotyledonous weeds, it does not affect mature monocotyledonous plants. It is used to prepare weed-free lawns by gardeners.

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