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
Enumeration of microorganism refers to

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
None of these
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
Plate count of bacteria in foods generally use the plating medium consisting of

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

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Microbiology of Foods
Examination of the presence / absence of organisms refers to

incubation of a food suspension in an enrichment medium followed by inoculation on to a non-selective medium.
None of these
incubation of a food suspension in an enrichment medium
incubation of a food suspension in an enrichment medium followed by inoculation on to a suitable selective medium.

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