Which of the following is a group of bacteria found in human intestines, whose presence in water indicates contamination by disease-causing microorganisms?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. Coliform.
- Coliform bacteria: A group of bacteria primarily found in human and animal intestines and wastes/feces.
- Coliform bacteria (such as E. coli) are widely used as an indicator of the presence of such wastes in water.
- It is not harmful to humans.