River Pollution
Trending Questions
Q. Eutrophication causes decrease in which of the following?
- Dissolved salts
- Dissolved hydrogen
- Dissolved oxygen
- Dissolved nitrogen
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. The main objective of the National River Conservation Plan is to improve the quality of water in rivers.
- True
- False
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. PCBs stand for which of the following?
- Polychloride biphenyls
- Polychlorinated bisphenols
- Polychlorinated biphenyls
- Polychloride bisphenols
Q. The Ganga Action Plan was introduced in the year _______.
- 1995
- 1984
- 1985
- 1994
Q. What are the reasons for the pollution of rivers? How can it be prevented?
Q. PCBs stand for which of the following?
- Polychloride biphenyls
- Polychlorinated bisphenols
- Polychloride bisphenols
- Polychlorinated biphenyls
Q. Pollution in rivers like the Ganga is caused by which of the following factors?
- Louder noise.
- Dumping of industrial waste into rivers.
- Releasing treated sewage into rivers.
- Transportation.
Q. What causes eutrophication in water bodies?
- Excess amount of oil spilling into the water body.
- Excess amount of fertilisers getting drained into water.
- Change in the pH level of water.
- Decreased level of oxygen.