The presence of a particular group of bacteria in water bodies indicates contamination.Isentify the group
Answers
Water quality involves measuring the number of colonies of Protozoa
Protozoa are micro parasites that improve the water quality by eating the bacteria and other particles in the water. They are parasites that depend on other organism to live. They can be found in any environment on the planet from the peak of the mountain to the deepest of the ocean.
A water source is considered to be contaminated when the water source has the presence of E.Coli bacteria in large level.
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The answer is, “Coliform bacteria”
This type of bacteria is shaped in the form of a rod that shows the non-spore form.
Apart from this, it can be non-motile or motile in nature that produces gas and acid in the form of ferment lactose.
Also, this type of bacteria is present in the aquatic ambience, vegetation and soil in a large number.