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प्रश्न
List any three effective methods for controlling mosquitoes.
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उत्तर १
Effective methods for controlling mosquitoes:
(i) Spraying insecticides
(ii) Food should be protected by covering it
(iii) Eliminating breeding places of mosquitoes
उत्तर २
Three ways of controlling mosquitoes are:
(i) Mosquitoes can be controlled by spraying liquid insecticides like flit or D.D.T.
(ii) The breeding places of mosquitoes are sprayed with petroleum oils. The oil-film formed on the surface of water is toxic to the mosquito larvae.
(iii) Mosquito-repellents like mosquito cream, citronella, odomos and indalone help to keep mosquitoes away and protect us from getting bitten.
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