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4th Class Science Food and Health Question Bank Food and Digestion, Health and Hyiene

  • question_answer
    What should be sprayed on stagnated water to prevent the breeding of mosquitoes?

    A)  Water

    B)  Boiled water

    C)  Oral rehydration solution

    D)  Kerosene

    Correct Answer: D

    Solution :

    Kerosene when sprayed on stagnant water forms a layer and prevents air from entering the water. Due to the lack of air larvae of mosquitoes get killed and prevent the breeding of mosquitoes.


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