2. Sample Papers
  3. SSC
  4. Ecology And Environment

SSC Ecology And Environment Sample Paper NCERT Sample Paper-2

  • question_answer
    Which of the following components causes water pollution?

    A)  Smoke 

    B)  ammonia

    C)  phytoplariktons

    D)  industrial wastes

    Correct Answer: D

    Solution :

    [d] Addition of any substance in water is called water pollution. It is caused by household detergents, industrial wastes, agricultural wastes, sewage and other wastes etc.


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