UPSC Geography Atmosphere Question Bank Atmosphere

  • question_answer Consider the following statements                  
    1. Ozone is mostly found in the stratosphere        
    2. Ozone layer lies 25 to 30 km above the surface of the Earth
    3. Ozone absorbs ultraviolet radiation from the Sun.
    4. Ozone layer has no significance for life on the Earth
    Which of the statements given above is/are correct?  

    A)  1 and 2

    B)  1 and 3

    C)  1, 2 and 3

    D)  3 and 4

    Correct Answer: C

    Solution :

     The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet (UV) radiation. It contains high concentrations of ozone (03) in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere.

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