Bacteria found in colon of human are:

Bacteria found in root nodules of legumes are

Bacteria found in root nodules of legumes are

Name the group of bacteria, found in human intestines, whose proesence in water indicates contamination by diseases causing microorganisms

Which of the following is a group of bacteria found in human intestines, whose presence in water indicates contamination by disease-causing microorganisms?

Coliform is a group of bacteria found in human ..........