Soil

5 Questions
  1. 1
    With reference to agricultural soils, consider the following statements :
    1. A high content of organic matter in soil drastically reduces its water holding capacity.
    2. Soil does not play any role in the sulphur cycle.
    3. Irrigation over a period of time can contribute to the salinization of some agricultural lands.
    Which of the statements given above is/are correct ?
    UPSC CSE I - 2018
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    Answer: B. 3 only

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  2. 2
    In India, the problem of soil erosion is associated with which of the following?
    1. Terrace cultivation
    2. Deforestation
    3. Tropical climate
    Select the correct answer using the code given below.
    UPSC CSE I - 2014
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    Answer: B. 2 only

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  3. 3
    Contour bunding is a method of soil conservation used in
    UPSC CSE I - 2013
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    Answer: D. None of the above

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  4. 4

    With reference to soil conservation, consider the following practices:

    1. Crop rotation
    2. Sand fences
    3. Terracing
    4. Wind breaks

    Which of the above are considered appropriate methods for soil conservation in India?

    UPSC CSE I - 2010
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    Answer: C. 1, 3 and 4 only

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  5. 5

    Identify the correct order of the process of soil erosion from the following:

    UPSC CSE I - 2001
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    Answer: A. Splash erosion, Sheet erosion, Rill erosion, Gully erosion

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