Air pollution is caused by:

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. The percentage of air pollution caused due to smoke:

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

3. Air pollution is maximum caused by:

   A. Sewage and industrial effluents
   B. Household detergents and pesticides
   C. Automobile exhausts and chemicals from industry
   D. Sewage and pesticides

4. Air pollution is not caused by:

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

5. Air pollution is caused by:

   A. The smoke, gases and fumes coming out of the factory chimneys
   B. The transport vehicles badly pollute the air
   C. Both (a) & (b)
   D. None of these

6. Phosphate pollution is caused by:

   A. Phosphate rock only
   B. Agricultural fertilizers only
   C. Sewage and phosphate rock
   D. Sewage and agricultural fertilizers

7. Pollution is not caused by:

   A. Thermal power plant
   B. Automobile
   C. Radioactive power plant
   D. Hydroelectric power plant

8. The soil pollution is caused as the industrial furnaces throw:

   A. CFC, CH4 and SO2
   B. Sulphates of Na, Ca and Fe
   C. Fly ash
   D. All of these

9. The atmospheric pollution is caused by:

   A. O3
   B. CO
   C. CO2
   D. N2

10. Water pollution is caused by:

    A. Decay of bodies of aquatic organisms
    B. Rain
    C. Growth of phytoplankton
    D. Industrial effluents