Indicators of potential human or faecal contamination or of possible presence of pathogens include Staphylococci, Escherichia coli, faecal coliforms, Enterococci and Pseudomonas aeruginosa. Indicator organisms are used to assess overall sanitation or environmental conditions that may signal or indicate the potential presence of pathogens of food safety concern. It is important to note that indicator species are not necessarily pathogenic.
Escherichia coli is used as an indicator organism to determine pollution of water with:
NEET UG 2003 — Zoology Organisms and Populations
2003mcqmedium
Escherichia coli is used as an indicator organism to determine pollution of water with:
Official previous-year question
Held on 30 Apr 2003 · Verified 9 Jul 2026.
Options
- A
heavy metals
- B
faecal matter
- C
industrial effluents
- D
pollen of aquatic plants
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