The presence of a particular bacteria in water bodies is contamination.Identy the group
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coliform bacteria confirms contaminantion
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where is it writen in the ncert?
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The presence of a particular bacteria in water bodies is contamination is Coliform group of bacteria.
Explanation
- Coliform bacteria is a gram negative bacteria that is usually found in the digestive tracts of animals, including humans, and are found in their wastes matter (Feces).
- The presence of coliform bacteria in water sources indicates contamination of water by feces and this may indicate the presence of other disease causing bacteria, fungi and parasites.
- Thus presence of coliform bacteria is used as an indicator of water contamination.
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