The classical smog was first observed to:

Related Mcqs:

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

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

2. The classical smog mainly contains:

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

3. Which are the primary constituents of photochemical smog?

   A. SO2 and CO2
   B. NO2 and hydrocarbons
   C. Carbon di-oxide and NO2
   D. Hydrocarbons and CFCs

4. 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

5. The term smog coined by:

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

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

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

7. The photochemical smog appears:

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

8. The photochemical smog is also called:

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

9. Photochemical smog is related to the pollution of:

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

10. In a comparative study of grassland ecosystem and pond ecosystem it may be observed that:

    A. Primary and secondary consumers are similar
    B. Both biotic and abiotic components are different
    C. The biotic components are almost similar
    D. The abiotic components are almost similar