Which one is not matched
Organochlorine $-DDT$
Pyrethroid-Atrazine
Organophosphate-Malathion
Carbamate-Carbofuran
The pesticides used in killing the acquatic pests (including insects) is
Which of the following plants are used as green manure in crop fields and in sandy soils?
Superiority of hybrid over parents is
Kattha' is obtained from the heart wood of
Nitrogen fixation in root nodules of Alnus is brought about by