Microbiology of Foods
Water activity can act as

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

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

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Microbiology of Foods
Plate count of bacteria in foods generally use the plating medium consisting of

peptone, glucose, sodium chloride, agar and distilled water
peptone, yeast extract, glucose, sodium chloride, agar and distilled water
yeast extract, glucose, sodium chloride, agar and distilled water
peptone, yeast extract, glucose, sodium chloride and distilled water

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

All of these
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Rappaport Vassiliadis (RV) broth has been replaced by Rappaport Vassiliadis Soya (RVS) broth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)

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