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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-15

  • question_answer
    Ozone layer of the Earths atmosphere is important for living organisms because it-

    A) prevents entry of ultra-violet rays

    B) prevents entry of X-rays

    C) maintains level of oxygen on Earth

    D) prevents acid rain on Earth

    Correct Answer: A

    Solution :

    Ozone layer of Earth atmosphere block the entry of ultraviolet rays. Ultraviolet rays are very harmful rays and can even cause skin diseases.


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