SSC Ecology And Environment Sample Paper NCERT Sample Paper-2

  • question_answer
    Humus is

    A)  Chemical fertilizer

    B)  Living organic and inorganic things

    C)  Dead and decayed organic matter

    D)  Accumulation of radioactive materials

    Correct Answer: C

    Solution :

    [c] In the course of time, dead and decayed organic matter has accumulated on the earth's surface. This organic formation is called humus. Chemically the humus contains carbohydrates, sugar, lipids, ammo acids etc.

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