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UPSC Geography Interior of the Earth / पृथ्वी का आंतरिक भाग Question Bank Universe and Our Planet Earth

  • question_answer
    Arrange the following features formed by rivers in its course starting from upstream:
    1.  Meanders                   
    2.  Falls
    3.  Delta                                     
    4. Oxbow Lake
    Select the correct answer using the code given below: [a] 2 - 1 - 3 - 4               [b] 2 - 1 - 4 - 3 [c] 1 - 2 - 3 - 4                [d] 1 - 4 - 2 - 3

    A) I only                             

    B)  I and 2 only

    C)  2 and 3 only                   

    D)  1,2 and 3

    Correct Answer: B

    Solution :

     Falls are possible only when a river is losing height suddenly. Next comes meanders. When a river reaches flatter land, flow is slowed down and meanders are formed through erosion of the river banks and deposition on the inside of bends. Oxbow lake is formed when a wide meander is cut off from the main river, creating a free-standing body of water. Delta is formed at the mouth of a river, where the river flows into an ocean, sea, estuary, lake, or reservoir.


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