Topic: Biocontrol agents and biofertilizers· Biology and Human Welfare

Which of the following can be used as a biocontrol agent in the treatment of plant disease ?

1. \(\textit{Trichoderma}\)

2. \(\textit{Chlorella}\)

3. \(\textit{Anabaena}\)

4. \(\textit{Lactobacillus}\)

Doubtly Asked 30 Oct 2026 NEET UG 2019 Practice test neet Save WhatsApp Report

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Answer: 1. \(\textit{Trichoderma}\)

Key idea: Trichoderma is a fungal biocontrol agent.

Trichoderma species control plant pathogens. Chlorella is a green alga used as single-cell protein, Anabaena is a nitrogen-fixing cyanobacterium, and Lactobacillus makes curd.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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Which of the following can be used as a biocontrol agent in the treatment of plant disease ?

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