8th Class Science Sample Paper Science Olympiad Model Test Paper-17

  • question_answer
    Choose the incorrect statement.

    A) The destruction of ozone layer by CFCs will allow the extremely harmful ultra violet radiations of the sun to reach the earth.

    B) The two extremely harmful effects of air pollution on the environment are acid rain and weakening of magnetosphere of earth

    C) Sulphur dioxide gas in the polluted air causes respiratory problems

    D) All of these

    E) None of these

    Correct Answer: B


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