SSC Sample Paper NCERT - Sample Paper-8

  • question_answer
    In the cities of our country, which among the following atmospheric gases are normally considered in calculating the value of Air Quality Index?                                                                                                                        (2016)
    1. Carbon dioxide          
    2. Carbon monoxide
    3. Nitrogen dioxide         
    4. Sulphur dioxide
    5. Methane
    Select the correct answer using the code given below:

    A)  1, 2 and 3 only             

    B)  2, 3 and 4 only

    C)  1, 4 and 5 only

    D)         1, 2, 3, 4 and 5

    Correct Answer: B


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