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Which synthetic auxin kills dicot weeds but not mature monocots?
A2,4-D auxin
BGibberellic acid
CEthephon gas
DZeatin hormone
Answer & Solution
Correct answer: A. 2,4-D auxin
2,4-D acts as a selective herbicide on dicotyledonous weeds, so it is used for weed-free lawns.
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