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Microbiology

Microbiology
Gram-negative bacteria, responsible for food poisoning, is/are

Pseudomonas
Salmonella
None of these
Clostridia

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

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

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Microbiology
Which of the following property(ies), shown by the organisms belong(s) to the family Enterobacteriaceae?

They are catalase-positive
All of these
They are oxidase-negative
They ferment glucose

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Microbiology
Staphylococcal intoxication is caused by the toxin m the food from

none of these
Staphylococcus aureus
S. cerevisiae
S. thermophillus

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Microbiology
Gram-positive bacteria, responsible for food poisoning, is/are

Pseudomonas
Clostridia
all of these
Mycoplasmas

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Microbiology
An excessively high temperature in the fermentation of sauerkraut may inhibit the growth of

none of these
both (a) and (b)
Leuconostoc
Pediococcus cerevisiae

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