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  4. Ecology And Environment

SSC Ecology And Environment Sample Paper NCERT Sample Paper-3

  • question_answer
    The excessive discharge of fertilizers into water bodies, results in

    A)  Eutrophication

    B)  Slit formation

    C)  Growth of fish

    D)  Death of hydrophytes

    Correct Answer: A

    Solution :

    [a] The excessive discharge of fertilizers into water bodies results in eutrophication. Due to the addition of domestic waste (sewage), phosphates, nitrates etc. from wastes or their decomposition products in water bodies, they become rich in nutrients, especially phosphates and nitrates ions.


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