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Question
The main cause for abundant coliform bacteria in the river Ganga is
Options
disposal of unburnt corpses into water
discharge of effluents from electroplating industries
washing of clothes
immersion of ashes
Solution
disposal of unburnt corpses into water
Explanation -
Coliform is a group of bacteria present in human excreta. Thus, the disposal of unburnt corpses into water is the main source of this group of bacteria in the river Ganga.
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