Microbiology of Foods
Water activity can act as

an intrinsic factor determining the likelihood of microbial proliferation
an extrinsic factor
a processing factor
All of these

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Microbiology of Foods
Examination of the presence / absence of organisms refers to

incubation of a food suspension in an enrichment medium followed by inoculation on to a non-selective medium.
incubation of a food suspension in an enrichment medium followed by inoculation on to a suitable selective medium.
incubation of a food suspension in an enrichment medium
None of these

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Microbiology of Foods
Which of the following is true about ISO 2002 method for Salmonella detection?

XLD is the first isolation medium rather than BGA
Rappaport Vassiliadis (RV) broth has been replaced by Rappaport Vassiliadis Soya (RVS) broth
Selenite cystine (SC) broth is replaced by Muller Kauffmann tetrathionate novobiocin broth (MKTTn)
All of these

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