AMU Medical AMU Solved Paper-1998

  • question_answer
    The region of earth comprising water forms

    A)  hydrosphere      

    B)  lithosphere

    C)  biosphere        

    D)  none of these.

    Correct Answer: A

    Solution :

    : Hydrosphere describes the collective mass of water found on, under, and over the surface of a planet. On Earth, the water cycle describes the methods of transport for water in the hydrosphere. The water covers 71 percent of the Earths surface  1 as oceans, lakes, rivers, and streams. The lithosphere is the solid outermost shell of a rocky planet. On the Earth, the lithosphere includes the crust and the uppermost layer of the mantle (the upper mantle or lower lithosphere) which is joined to the crust. Biosphere is the part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life.


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