Question

Water pollution is due to

• A. Agricultural discharge
• B. Sewage and other wastes
• C. Industrial effluents
• D. All of the above

Answer 1

Answer: (D)

All of the above

Agricultural discharge such as large quantity of agrochemicals, organic matter, sediments and saline drainage, fertilizer extract directly released in water bodies contaminate water and cause waterlogging. Sewage and untreated waste containing the high amount of organic compound and industrial effluent including organic, non-organic and reactive waste released in water have the potential to acidify water bodies, the solid waste accumulation can result in drying up of waters.

Hence, the correct answer is 'All of the above'