River Pollution

Q.

Which is the largest river in India?

Q. PCBs stand for which of the following?

1. Polychloride biphenyls
2. Polychlorinated bisphenols
3. Polychlorinated biphenyls
4. Polychloride bisphenols

Q.

Explain Ganga action plan?

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.

1. Animal waste from tanneries
2. River cleaning drives
3. Sewage waste
4. Industrial wastes

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> The Ganga Action Plan was introduced in the year _______.

1. 1995
2. 1984
3. 1985
4. 1994

Q. Eutrophication is the increased growth of algae in water that results in reduced sunlight penetration and depletion of dissolved in water.

1. oxygen
2. nitrogen
3. argon
4. carbon dioxide

Q. Eutrophication causes decrease in which of the following?

1. Dissolved nitrogen
2. Dissolved salts
3. Dissolved hydrogen
4. Dissolved oxygen