Question

Which is pesticides?

(a) 2, 4-dichlorophenoxyacetic acid

(b) Malathion

(c) Metolachlor

(d) Chloroform

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Answer 1

Answer:

Pesticides are chemical compounds that are used to kill pests, including insects, rodents, fungi and unwanted plants (weeds). ... Pesticides are used in public health to kill vectors of disease, such as mosquitoes, and in agriculture to kill pests that damage crops.

Answer 2

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* Solution *

Answer - { A } 2,4-D2,4-D (2,4-Dichlorophenoxyacetic acid) is a systemic herbicide that affects the specifically acts on the dicot weeds. It is used in the crop field of cereals to wipe out the weeds without affecting the monocot cereals.

A. Malathion is an organophosphate insecticide.

B. Lindane is a hexachlorocyclohexane insecticide.

C. BHC (β-Hexachlorocyclohexane) or lindane is an insecticide.

D. 2,4-D is a herbicide.

D. 2,4-D is a herbicide.Hence, the correct answer is '2,4-D'.