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NEET Previous Year Question

$The plant hormone used to destroy weeds in a field is$

Topic: NEET PYQ

Answer: B. Full step-by-step solution below.

A $NAA$
B $2, 4 - D$
C $IBA$
D $IAA$

Correct answer: B

Solution

(b) 2,4-D is a synthetic auxin which is widely used to destroy dicotyledonous weeds. IAA and IBA are natural auxins. NAA is a synthetic auxin.

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