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प्रश्न
Select the correct group of biocontrol agents
विकल्प
Bacillus thuringiensis, Tobacco mosaic virus, Aphids
Trichoderma, Baculovirus, Bacillus thuringiensis
Oscillatoria, Rhizobium, Trichoderma
Nostoc, Azospirillum, Nucleopolyhedrovirus
MCQ
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उत्तर
Trichoderma, Baculovirus, Bacillus thuringiensis
Explanation:
Trichoderma, Baculovirus and Bacillus thuringiensis are all used as biological control agents against plant pathogens or insect pests. The other groups include organisms not listed here as biocontrol agents, or include pests such as aphids.
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