River Pollution
Trending Questions
Q. The Ganga Action Plan was introduced in the year _______.
- 1995
- 1984
- 1985
- 1994
Q.
All the living organisms are basically made up of C, N, S, P, H, and O. How do they enter the living forms? Discuss.
Q. With the increased domestic usage, urbanisation, and industrialisation, our rivers are being polluted at an alarming rate. Identify the major sources of river pollution.
- Animal waste from tanneries
- River cleaning drives
- Sewage waste
- Industrial wastes
Q. The main objective of the National River Conservation Plan is to improve the quality of water in rivers.
- True
- False
Q. Eutrophication is the increased growth of algae in water that results in reduced sunlight penetration and depletion of dissolved in water.
- oxygen
- nitrogen
- argon
- carbon dioxide
Q. Eutrophication causes decrease in which of the following?
- Dissolved salts
- Dissolved hydrogen
- Dissolved oxygen
- Dissolved nitrogen
Q. PCBs stand for which of the following?
- Polychloride biphenyls
- Polychlorinated bisphenols
- Polychlorinated biphenyls
- Polychloride bisphenols