UPSC General Studies Solved Paper - General Studies-2011

  • question_answer
    Salinisation   occurs   when   the   irrigation   water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinisat on the irrigated land?

    A)  It greatly increases the crop production

    B)  It makes some soils impermeable

    C)  It raises the water table

    D)  It fills the air spaces in the soil with water

    Correct Answer: D

    Solution :

    Exp. [d] Salinisation leads to intense water logging which means filling air spaces in the soil with water. Making soil impermeable though happens is one of long term change.

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