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

SSC Ecology And Environment Sample Paper NCERT Sample Paper-1

  • question_answer
    The basic component of the smog is

    A) PAN                 

    B) PBN

    C) Ozone  

    D) all of these

    Correct Answer: D

    Solution :

    Smog highly pollutes the atmosphere. It consists of \[N{{O}_{2}}\], \[{{H}_{2}}{{O}_{2}},\] ozone \[({{O}_{3}}),\] PAN (peroxyacetyl nitrate) and PBN (peroxybenzoyl nitrate).


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