Microbiology of Foods
The microbiological examination of coliform bacteria in foods preferably use

violet Red Bile agar
MacConkey broth
eosine Methylene blue agar
all of these

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

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