4th Class Science Question Bank Science Mock Test-18

  • question_answer 8) The municipality sprays kerosene on stagnated water bodies that have the eggs of mosquito. This thin film of kerosene to

    A)  destroy the eggs before hatching.

    B)  cut off oxygen from reaching the hatched eggs.

    C)  burn the wings of the new born mosquitoes.

    D)  allow mosquitoes to lay more eggs.

    Correct Answer: B

    Solution :

    Not Available

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