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What are the dragonflies use to get rid of?(a) Aphids(b) Mosquitoes(c) Earthworms(d) Honey beesI got this question in unit test.The doubt is from Microbes as Biocontrol Agents topic in chapter Microbes in Human Welfare of Biology – Class 12

Answer»

Correct OPTION is (B) Mosquitoes

The explanation is: The dragonflies are very useful to GET rid of mosquitoes. The very FAMILIAR beetle with red and black markings-the Ladybird is useful to get rid of aphids.



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