Which are the primary constituents of photochemical smog?

Related Mcqs:

1. Photochemical smog formed in congested metropolitan cities mainly consists of:

   A. Ozone, peroxyacetyl nitrate and No2
   B. Smoke, peroxyacetyl nitrate and SO2
   C. Hydrocarbons, SO2 and CO2
   D. Hydrocarbons, ozone and SO2

2. The photochemical smog was first seen in the year:

   A. 1933
   B. 1943
   C. 1953
   D. 1963

3. The photochemical smog appears:

   A. In the mid day
   B. At night
   C. In early morning
   D. At evening

4. The photochemical smog is also called:

   A. Los Angeles type smog
   B. New York type smog
   C. Tokyo type smog
   D. California type smog

5. Photochemical smog is related to the pollution of:

   A. Soil
   B. Water
   C. Noise
   D. Air

6. The classical smog was first observed to:

   A. Paris
   B. London
   C. Tokyo
   D. New York

7. The term smog coined by:

   A. Tansley
   B. Odum
   C. Clements
   D. Des Voeux

8. The classical smog was first observed in the year:

   A. 1885
   B. 1895
   C. 1905
   D. 1910

9. The classical smog mainly contains:

   A. Hydrocarbons only
   B. Hydrocarbons and SO2
   C. Hydrocarbons and N2O
   D. Particulate matter and SO2

10. Aerosols reduce primary productivity by:

    A. Decreasing O2
    B. Reducing photosynthesis
    C. Competing with CO2
    D. Being toxic to chloroplasts