UPSC General Studies Sample Paper General Studies Sample Paper-5

  • question_answer
    Consider the following statements about the Laterite Soils of India.
    1. Laterite soils develop in areas with low temperature and high rainfall.
    2. These are generally the result of 'leaching' due to high tropical rainfall.
    3. These soils are rich in organic matter, but lack the oxides of iron and 'potash'.
    Which of the statement(s) given above is/are correct?

    A)  Only 3             

    B)  Only 2             

    C)  Only 1             

    D)  All of these

    Correct Answer: B

    Solution :

    [b] Laterite has been derived from the Latin word 'Later' which leans brick. The Laterite soils develop in areas with high temperature and high rainfall Laterite soils are the result of intense leaching due to strong tropical rains. With rain, lime and silica are leached away and soils rich in the iron oxide and aluminium compound are left. Humus content of the soil is removed fast by bacteria that thrives well in high temperature. These solids are poor in organic mather. Nitrogen, phosphate and calcium are rich in iron oxide and potash.

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