A common indicator organism of water pollution is:
Correct answer: C. Escherichia coli
- A. Lemna pancicostata
- B. Eichhornia crassipes
- C. Escherichia coli
- D. Entamoeba histolytica
Explanation
E.coli is the most common indicator of water pollution. It naturally occurs in the intestines of human beings and animals. They are commonly found in sewage and if E.coli are detected in water, they are indicative of faecal contamination. This is a serious health risk and that water should not be used for drinking.
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