A. Sewage treatment
B. Manufacturing electricity
C. By checking atomic blasts
D. All of the above
Related Mcqs:
- 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 - Phosphate pollution is caused by:
A. Phosphate rock only
B. Agricultural fertilizers only
C. Sewage and phosphate rock
D. Sewage and agricultural fertilizers - Escherichia coli is used as an indicator organism to determine pollution of water with:
A. Heavy metals
B. Faecal matter
C. Industrial effluents
D. Pollen of aquatic plants - Green filler is used against which type of pollution?
A. Air
B. Water
C. Soil
D. Noise - Air pollution effects are usually found on:
A. Leaves
B. Flowers
C. Stems
D. Roots - The main cause of pollution in metro cities is due to:
A. Industries
B. Automobiles
C. Home fuel
D. Trees - The sea water gets pollution mainly due to:
A. Industrial waste
B. Oil spills
C. Death of marine fauna
D. None of these - Pollution is:
A. Always an unfavourble alteration
B. Always a favourable change
C. Rarely a favoruable alteration
D. Usually an unfavourable change - 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 - The atmospheric pollution is caused by:
A. O3
B. CO
C. CO2
D. N2
The correct answer to the question: "Pollution can be controlled by:" is "All of the above".