Microbiology of Foods
NaCl can act as

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

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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
Selenite cystine (SC) broth is replaced by Muller Kauffmann tetrathionate novobiocin broth (MKTTn)
Rappaport Vassiliadis (RV) broth has been replaced by Rappaport Vassiliadis Soya (RVS) broth
All of these

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Microbiology of Foods
Enumeration of microorganism refers to

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

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