Microbiology of Foods
NaCl can act as

None of these
antagonist at optimal concentrations
synergistically if added in excess of optimum level
Both (a) and (b)

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Microbiology of Foods
Enumeration of microorganism refers to

non-selective plating, depending on the test
None of these
either spiral plating, pour plate or spread plate of a food suspension on to a suitable selective agar
either spiral plating, pour plate or spread plate of a food suspension on to a suitable selective agar, or non-selective plate, depending on the test

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

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Rappaport Vassiliadis (RV) broth has been replaced by Rappaport Vassiliadis Soya (RVS) broth

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