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NEET Previous Year Question

$Which one of the following is an example that carries out biological control of pests/diseases using microbes?$

Topic: NEET PYQ

Answer: A. Full step-by-step solution below.

A $Trichoderma sp. against certain plant pathogens$
B $Nucleopolyhedrovirus against white rust in Brassica$
C $Bt-cotton to increase cotton yield$
D $Ladybird beetle against aphids in mustard$

Correct answer: A

Solution

(a) Trichoderma is a beneficial fungus used as a microbial biocontrol agent against several plant pathogens.

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