UPSC General Studies Sample Paper General Studies Sample Paper-5

  • question_answer
    Which of the following statements regarding Black soils are correct?
    1. The fertility of Black soil is generally low due to intensive leaching.
    2. The black colour of the Black soil is due to the presence of Titaniferous Magnetite.
    3. Black soil is also called the self-ploughed soil.
    Select the correct answer using the codes given below.

    A)  1 and 3           

    B)  2 and 3

    C)  1 and 2

    D)  All of these

    Correct Answer: B

    Solution :

    [b] Black soils have high fertility and are capable of retaining high moisture. The presence of Titaniferous Magnetite is the reason behind the black colour of the Black soil. Black soil is also called the self-ploughed soil. Black soils are highly retentive of moisture, extremely compact and tenacious when wet, considerably contracted developing deep wide cracks on drying and self-ploughing. Leaching is not a phenomenon that Black soil suffer from.                      

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