Question

Before World War II, which chemical was used for pest control?

(a) DDT

(b) Nicotine

(c) Boric acid

(d) Deltamethrin

This question was addressed to me in unit test.

My question is taken from Environmental Chemistry in section Environmental Chemistry of Chemistry – Class 11

Answer 1

Correct option is (b) Nicotine

The explanation is: Prior to World War II, many naturally occurring chemicals such as nicotine were used as pest controlling substances for major crops in agricultural practices. This was achieved by planting tobacco plants in the crop fields.