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UPSC Geography Oceans and Continents / महासागरों और महाद्वीपों Question Bank Oceans and Marine Resources / Canals etc

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    Which one of the following is the correct sequence of the following topographical features found from upper to lower course of a river?                [NDA 2010-II]

    A)  Ox-bow lake-Rapids-Estuary

    B)  Rapids-Estuary-Ox-bow lake

    C)  Rapids-Ox-bow lake-Estuary

    D)  Estuary-Ox-bow lake-Rapids

    Correct Answer: C

    Solution :

     Correct sequence is Rapids- Ox-bow Lake-Estuary Rapids are sections of a river where the river bed has a relatively steep gradient, causing an increase in water velocity and turbulence. An ox-bow lake is a U-shaped body of water that forms when a wide meander from the main stem of a river is cut off, creating a free-standing body of water An estuary is a body of water formed where freshwater from rivers and streams How into the ocean, mixing with the sea water.


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