‘Devine’ and ‘Collego’ are two agricultural substances that are used as
Biofertilizers
Natural insecticides
Insect hormones
Bioherbicides
The pesticide used in foundations of buildings for preventing termite attack is
Stramonium is a drug obtained from the plant species of
Which of the following insecticide is obtained from the roots of Derris elleptica
Which one of the following is not used in organic farming ?
To which class of pesticides do DDT, BHC, aldrin and endosulphan belong