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

SSC Ecology And Environment Sample Paper NCERT Sample Paper-6

  • question_answer
    Which one of the following is not a device used to control a paniculate matter?

    A)  Arresters          

    B)  Scrubbers

    C)  Filters  

    D)  Incinerator

    Correct Answer: D

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