UPSC General Studies Sample Paper General Studies Sample Paper-4

  • question_answer
    Consider the following statements regarding Bamboo (Dendrocalamus hamiltoni)
    1. It is a culturally valued species.
    2. It is an ecological valued keystone species conserving potassium in the system.
    3. It is a major part of the slash burnt for a 10 to 20 year cycle of Jhum (shifting cultivation) system in
    North-East India.
    Which of the statements] given above is/are correct?

    A)  Only 3             

    B)  2 and 3            

    C)  1 and 2           

    D) (d) All of these

    Correct Answer: D

    Solution :

    [d] Leaching is a process by which various nutrients percolate down under influence of water. It is a mechanism of soil formation distinct from the soil forming process of eluviation, which is loss of mineral and organic collids. It leads to formation of laterite soil. It is also used for removing salt in saline areas.

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