Water 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. Minamata diseased was caused due to water pollution by:

   A. Lead
   B. Cyanides
   C. Methyl isocyanate
   D. Mercury

3. Thermal pollution in water bodies is caused due to discharge of:

   A. Hot water from power plants
   B. Hot chemicals from industries
   C. Waste from mines
   D. Waste from agricultural fields

4. Water pollution is caused by:

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

5. Phosphate pollution is caused by:

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

6. Pollution is not caused by:

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

7. 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

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

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

9. The ‘blue baby syndrome’ is caused due to pollution by:

   A. Chlorides
   B. Cyanides
   C. Fluorides
   D. Nitrates

10. The atmospheric pollution is caused by:

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