<prompt> Presumptive count includesNo E. ColiColiform but not only E.Gram negative bacilliAny bacteria  <response>: Presumptive coliform testIn 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 methodMembrane filtration technique.After analysing presumptive coliforrn count, E.coli count is confirmed by other tests, e.g., by Eijkman test or indole production.. 