The Presence-Absence Test is a Modification of Which Test

Question

The presence-absence test is a modification of which test?
A)Membrane filter
B)MPN
C)Virus plaque assay
D)None of these choices are correct.

Accepted Answer

The presence-absence test is a modification of the Most Probable Number (MPN) test, which is used to estimate the concentration of viable microorganisms in a sample by means of dilution and inoculation.