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

  • question_answer
    Arrange the following features fanned by rivers in its course starting from upstream:               [NDA 2017-II]
    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

    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 fanned when a wide meander is cut off from the main river, creating a free-standing body of whaler. Delta is fanned at the mouth of a river, where the river flow into an ocean, sea, estuary, lake, or reservoir.


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