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Microbiology

Microbiology
The staphylococcal intoxication refers to presence of

mycotoxin
neurotoxin
an enterotoxin
All of these

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Microbiology
The elimination of the scum of yeasts in the brine during the fermentation include

addition of the sorbic acid
addition of the mustard oil
all of these
agitation of the surface

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Microbiology
Which of the following can readily kill Salmonellae?

Moist heat at 55°C for 20 min
Moist heat at 55°C for 1 hr
Moist heat at 55°C for 30 min
Moist heat at 55°C for 10 min

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Microbiology
The technique(s), used for the assay of heat-labile enterotoxin produced by Escherichia coli, is/are

Enzyme-linked immunosorbent assay
All of these
Steroid production in Yl mouse adrenal cell culture
Morphological changes in Chinese hamster ovary

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Microbiology
Which of the following serotypes of Salmonella can cause gastroenteritis?

S newport
S typhimurium
All of these
S enteritidis

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Microbiology
Floaters or bloaters may result from

hollow cucumbers
gas being formed by yeasts
hetero fermentative lactic acid bacteria
all of these

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