Question

Which among the following in excess quantity indicates the contamination of Ganga water bodies?

• A. Dissolved minerals
• B. Coliform bacteria
• C. Dissolved carbon
• D. Dissolved phosphates

Answer 1

The correct option is B Coliform bacteria

A lot of pathogens are present in water bodies that are contaminated. One of these pathogens is coliform bacteria. This bacteria, like other pathogens, is an indicator of contamination in water bodies. This is because it has a similar reaction to purification and water treatment like other pathogens.

So, it can be used as an indicator of water contamination. So, option B is the correct answer.