Sprinkling oil over ponds would control malar | vedclass

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Question

(C) When kerosene,paraffin,or petroleum oil is sprinkled over a pond,it forms a thin film on the water surface.This film prevents the mosquito larvae

Vedclass · Accepted Answer

Larvae are asphyxiated

Vedclass · Answer

(C) When kerosene,paraffin,or petroleum oil is sprinkled over a pond,it forms a thin film on the water surface.This film prevents the mosquito larvae and pupae from accessing atmospheric oxygen through their respiratory siphons.As a result,the larvae and pupae die due to a lack of oxygen,a condition known as asphyxiation.

Sprinkling oil over ponds would control malaria because

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