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Which growth regulators is used to prepare weed-free lawns by the gardeners?A. Indole-S-acetic acid B.  Indole butyric acid C. 2, 4-dichlorophenoxy acetic acid D. Naphthalene acetic acid

Answer» Correct Answer - C
2,4-dichlorophenoxy acetic acid (2, 4-D) is used to prepare weed-free lawns by the gardeners


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