SSC Ecology And Environment Sample Paper NCERT Sample Paper-4

  • question_answer
    Most harmful environmental pollutants are

    A)  biodegradable

    B)  Corrosive agents

    C)  Non-biodegradable chemical

    D)  all of the above

    Correct Answer: C

    Solution :

    [c] A substance or chemical that is non-biodegradable cannot be changed to a harmless natural state by the action of bacteria, and therefore can damage the environment

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