Question

2. The presence of a particular group of bacteria in water bodies indicates contamination. Identify the group.

Answer 1

Indicator organisms are used as a proxy to monitor conditions in aparticular environment, ecosystem, area, habitat, or consumer product. The presence of bacteria commonly found in human feces, termed coliformbacteria (e.g. E. coli), in surface wateris a common indicator of faecalcontamination.

Answer 2

Answer:

In the presence of coliform bacteria group in water bodies that indicates contamination .