Question

The ministry of environment and forests has initiated Ganga Action and Yamuna Action Plan to save these major rivers of our from pollution. through :-

• A. Building large number of sewage treatment plants to reduce BOD of waste water
• B. Building biogas plants to digest waste products of animal
• C. Reforestation at the blank of river to absorb heavy metal pollutants.
• D. Installation of electrostatic precipitator which organic matter present in polluted water

Answer 1

The correct option is A Building large number of sewage treatment plants to reduce BOD of waste water

The Ganga and Yamuna action plan majorly target to clean the waste water as much as possible by sending them into waste water treatment plants and hence reduce the BOD of the water.

During this process the pollutants polluting the river are removed and the water becomes safe to discharge.

It included domestic sewage as well as toxic chemical and industrial sewage.

Ganga action plan came into force in 1985 whereas Yamuna action plan was launched in 1993.

So the correct answer is ' Building large number of sewage treatment plants to reduce BOD of waste water'.