A. In the mid day
B. At night
C. In early morning
D. At evening
Related Mcqs:
- 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 - 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 - The photochemical smog was first seen in the year:
A. 1933
B. 1943
C. 1953
D. 1963 - The photochemical smog is also called:
A. Los Angeles type smog
B. New York type smog
C. Tokyo type smog
D. California type smog - Photochemical smog is related to the pollution of:
A. Soil
B. Water
C. Noise
D. Air - The classical smog was first observed to:
A. Paris
B. London
C. Tokyo
D. New York - The term smog coined by:
A. Tansley
B. Odum
C. Clements
D. Des Voeux - The classical smog was first observed in the year:
A. 1885
B. 1895
C. 1905
D. 1910 - The classical smog mainly contains:
A. Hydrocarbons only
B. Hydrocarbons and SO2
C. Hydrocarbons and N2O
D. Particulate matter and SO2 - The ultimate seral community appears in an area as a result of:
A. Reaction
B. Nudation
C. Invasion
D. Ecesis
The correct answer to the question: "The photochemical smog appears:" is "In the mid day ".
