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
Select the correct answer from above options
Interview Questions and Answers, Database Interview Questions and Answers for Freshers and Experience
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.
Notice: Trying to get property 'ID' of non-object in /home/fvckxqmi/public_html/wp-content/themes/blocksy/inc/single/single-helpers.php on line 17
Notice: Trying to get property 'ID' of non-object in /home/fvckxqmi/public_html/wp-content/themes/blocksy/inc/single/single-helpers.php on line 17
Notice: Trying to get property 'ID' of non-object in /home/fvckxqmi/public_html/wp-content/themes/blocksy/inc/single/single-helpers.php on line 17
Notice: Trying to get property 'ID' of non-object in /home/fvckxqmi/public_html/wp-content/themes/blocksy/inc/single/single-helpers.php on line 17 Articles: 40701