Question

Modes of controlling pollution in large cities include

• A. Cleanliness and less use of insecticides
• B. Proper disposal of organic wastes, sewage and industrial effluents
• C. Broader roads and shifting of factories out of the residential areas
• D. All of the above

Answer 1

The correct option is D All of the above

Large cities have a big human population and concentration of industries and factories. So, the management of the industrial effluents and the domestic sewage a bif challenge because these cause massive water pollution. Further, the location of industries have to be decided so that the air pollutants emitted from them do not enter the populated areas directly. So, cleanliness and less use of insecticides, proper disposal of organic wastes, sewage and industrial effluents and broader roads and shifting of factories out of residential areas are considered to be essential steps in minimizing the pollution in large cities. Hence, the correct answer is 'All of the above'