Ques. Which one of the following is an example of carrying out biological control of pests/diseases using microbes?
A. Trichoderma sp. against certain plant pathogens.
B. Nucleopolyhedrovirus against white rust in Brassica.
C. Bt-cotton to increase cotton yield.
D. Lady bird beetle against aphids in mustard.
Answer:A
Ques. Which one of the following is an example of carrying out biological control of pests/diseases using microbes?
A. Trichoderma sp. against certain plant pathogens. B. Nucleopolyhedrovirus against white rust in Brassica. C. Bt-cotton to increase cotton yield. D. Lady bird beetle against aphids in mustard.