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
Enumeration of microorganism refers to

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
None of these
non-selective plating, depending on the test

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