Presumptive count includes
Correct Answer: Coliform but not only E.
Description: Presumptive coliform test
In presumptive coliform test the most probable number of all coliform organisms (not only E.coh) are counted → Presumptive coliform count.
The methods are : -
Multiple tube method
Membrane filtration technique.
After analysing presumptive coliforrn count, E.coli count is confirmed by other tests, e.g., by Eijkman test or indole production..
Category:
Social & Preventive Medicine
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