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Biology · 2022 · 2 marks
CBSE 2022 · Region 3 · Set 1 · Q4
Organic farmer use Trichoderma and Baculovirus as biological control agents. Explain.
Organic farmer use Trichoderma and Baculovirus as biological control agents. Explain.
Marking-scheme solution
Trichoderma-The fungus controls plant pathogens.
Baculovirus-Specific to insects and arthropods, narrow spectrum insecticidal applications, used in IPM, used in ecologically sensitive area, no negative impact on plants / mammals/ birds/ fishes/ non-target insects
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CBSE Class 12 Biology past-paper question from the 2022 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.