The main cause of pollution in metro cities is due to:

Related Mcqs:

1. The air pollution caused by phosphate fertilizer factories is due to:The air pollution caused by phosphate fertilizer factories is due to:

   A. Phosphene
   B. SiF4
   C. Dust
   D. Halogens

2. In big cities, air pollution is mainly due to:

   A. Burning of fossil fuel
   B. Thermal power plants
   C. Sewage
   D. Suspended particles

3. Certain cities of Pakistan have been subjected to tremendous air pollution due to increased:

   A. Urbanization
   B. Mechanization
   C. Industrialization
   D. Civilization

4. Which of the following does not cause pollution?

   A. CO2
   B. SO2
   C. H2
   D. CO

5. The supersonic jets cause pollution by thinning of:

   A. O3 layer
   B. SO2 layer
   C. O2 Layer
   D. CO2 layer

6. The major cause of pollution is:

   A. Man
   B. Plants
   C. Animals
   D. Man and animals

7. The cause of water pollution?

   A. Smoke
   B. 2, 4-D and pesticides
   C. Automobile exhaust
   D. Aeroplanes

8. The light of cities is reduced in comparison to villages due to the presence of:

   A. SO2 and SO3
   B. SO2 and oxides of nitrogen
   C. Hydrocarbons and N2O
   D. Suspended particulate matter

9. Loss of forests, urbanization, increasing pollution are all due to:

   A. Population explosion
   B. Nitrogen di-oxide
   C. Global warming
   D. Sulphur dioxide

10. In 1970, several people died in Japan due to pollution of:

    A. Barium
    B. Cadmium
    C. Iron
    D. Mercury