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प्रश्न
Which insect biocontrol agent is specifically useful for eliminating aphids?
विकल्प
Dragonfly
Ladybird
Tyria moth
Cactoblastis cactorum
MCQ
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उत्तर
Ladybird is identified as a useful insect biocontrol agent for getting rid of aphids. Dragonflies, by contrast, are used to control mosquitoes.
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