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

SSC Ecology And Environment Sample Paper NCERT Sample Paper-3

  • question_answer
    Green-mufler is used against which of the following type of pollution?

    A)  Air                  

    B)  water

    C)  Soil

    D)  noise

    Correct Answer: D

    Solution :

    [d] Green plants are being planted around the road side to check the noise pollution. This is called as green-muffler.


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