UPSC General Studies Sample Paper General Studies Sample Paper-2

  • question_answer
    The process of converting unconsolidated sediments into sedimentary rocks requires which of the following?
    1. Compaction              
    2. Recrystallisation      
    3. Cementation              
    4. Weathering
    Select the correct answer using the codes given below.

    A)  1 and 2

    B)                     2 and 3

    C)  1, 2 and 3        

    D)  All of these

    Correct Answer: C

    Solution :

    [c] The process, by which loose sediment is hardened to rock are collectively called Lithification. Once this happens, continued erosion and re-transport of the sediment become much more difficult. The process, which involves in it are compaction, recrystallisation, cementation, whereas weathering is the breaking down or dissolving of rocks and minerals on Earth's surface.

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