$DDT$ was first synthesized by
Othnar Zeidler
Paul Muller
Michael Faraday
Schrader
In confusion technique, the pheromone coated paper strips are thrown over an area in order to
The two natural insecticides used before $1940$
Organophosphate insecticides inhibit
Which one of the following pesticide is banned now-a-days
Which one of the following is not used in organic farming ?