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Microbiology

Microbiology
Primarily human pathogenic bacteria is/are ,

S paratyphi A
all of these
S paratyphi B
Salmonella typhi

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

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

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Microbiology
Which of the following determine the pathogenicity of Yersinia pestis?

V and W antigens
All of these
F1 envelope antigen
Production of pigmented colonies on haemin containing media

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Microbiology
Abnormal fermentation of cabbage may result in a cheese like odour caused by

caprioc acid and Valeric acid
propionic acid
all of these
butyric acid

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Microbiology
Sylvatic plague occurs in

mice
squirrels
chipmunks
all of these

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Microbiology
Which of the following serotypes of Salmonella does not produce H2S?

Both (a) and (b)
None of these
S choleraesuis
S paratyphi A

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