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8th Class Science Pollution of Air and Water Question Bank Pollution of Air and Water

  • question_answer
    Which of the following air pollutants is wrongly matched with the effect it causes?

    A)  Dust - reduces photosynthesis in green plants.

    B) Carbon monoxide - reduces oxygen in the blood.

    C) Chlorofluorocarbons - damages nerves and tissues.

    D) Nicotine - hardens and narrows blood vessels.

    Correct Answer: C

    Solution :

    Chlorofluorocarbons lead to the depletion of ozone layer.


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