In big cities, air pollution is mainly 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. Certain cities of Pakistan have been subjected to tremendous air pollution due to increased:

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

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

   A. Industries B. Automobiles C. Home fuel D. Trees...

4. The sea water gets pollution mainly due to:

   A. Industrial waste B. Oil spills C. Death of marine fauna D. None of these...

5. 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...

6. The percentage of air pollution caused due to smoke:

   A. 10-15% B. 15-20% C. 20-25% D. 2-5%...

7. The river Periyar gets pollution mainly from:

   A. Tanneries B. Paper factories C. Chemical factories D. Sugar mills...

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. Air pollution effects are usually found on:

   A. Leaves B. Flowers C. Stems D. Roots...

10. Air pollution is not caused by:

    A. Thermal power plant B. Diesel engine C. Hydroelectric power station D. Pollen grain...