The main reason for the abundant coliform bacteria in the water of river Ganga is:
(a) immersion of ashes of the dead into the river
(b) washing of clothes on the banks of the river
(c) discharge of industrial wastes into river water
(d) disposal of unburnt corpses into river water

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Solution

(d) disposal of unburnt corpses into river water
The coliform bacteria are present in the human intestine. Its presence shows contamination. The main reason for the presence of abundant coliform bacteria in river Ganga is the disposal of unburnt corpses into the river water.

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Similar questions

Given are a few practices associated with ganga river that people do generally. Pick out those that pollute the ganga river.

1) Industries dump there chemical waste in ganga

2) We use river for transportation

3) Washer men use ganga water to wash clothes on the river banks

4) We build turbine on the flowing water of river ganga to generate electricity

5) After cremation ashes of dead bodies and the unburnt bodies are immersed in the ganga river.

6) Use of river water for irrigation.

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