Microbiology of Foods
NaCl can act as

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

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

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

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Rappaport Vassiliadis (RV) broth has been replaced by Rappaport Vassiliadis Soya (RVS) broth

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