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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Ecosystems include biotic and abiotic components, food chains and webs, energy flow, nutrient cycles, populations and ecological relationships. Pollution and conservation cover air, water, soil and noise pollution, their effects on organisms, biodiversity loss, protected areas, sustainable resource use and methods for reducing environmental damage.
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