Which of the following is most the common pathogenic pollutant?

Coliform

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E. coli bacteria

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Psedumonas

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Both A and B

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Solution

The correct option is D Both A and B
Bacteria are commonly found in water. It is when they start to increase in numbers that are above safe levels, that water contamination occurs. Two of the most common pathogen pollutants are Coliform and E. coli bacteria. Coliforms are normally present in the environment in safe levels and can actually be used to detect other pathogens in water.

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Assertion (A) – Culturing pathogenic microbes in the laboratory is the most common diagnostic procedure for STDs.

Reason (R) – With this process it is easy to identify the causative organism.

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