Question

The objective of Ganga Action Plan (GAP) was to restore the river water quality to bathing class standard. It meant that there should be dissolved oxygen (DO) not less than 5 mg/litre, and biochemical oxygen demand (BOD) not more than 3 mg / litre and pH value of 6.5 to 8.5. The river is more polluted now, then it was when the project was launched two decades ago. The availability
of the natural water in the river has reduced drastically. In addition, sewage is being discharged into the Ganga directly.
(i) 'The quality of water has changed during the last 25 years.' Give a reason behind the statement.
(ii) Enlist the factors responsible for pollution of river Ganga.
(iii) Group of student took an initiative to make people aware to 'Save Water'. Enumerate their suggestions

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Answer 1

Ganga Action Plan is the project which was launched in 1986 to save the Ganga river from pollution. The objective of this plan was to improve the water quality by interception, diversion and treatment of domestic sewage and present toxic and industrial chemical waste entering the river and polluting its water.

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