2. Sample Papers
  3. Railways
  4. General Science & Technology
  5. Pollution of Air and Water

Railways General Science & Technology Pollution of Air and Water Sample Paper Air Pollution Sample Test Paper-20

  • question_answer
    Higher concentration of nitrogen dioxide in atmosphere air causes

    A)  Cancer

    B)  corrosion

    C)  Bronchitis        

    D)  nervous depression

    Correct Answer: C

    Solution :

    [c] Higher concentration of \[N{{O}_{2}}\] in air may leads respiratory infections and bronchitis specially in new born child.


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