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Microbiology

Microbiology
Primarily human pathogenic bacteria is/are ,

S paratyphi B
all of these
S paratyphi A
Salmonella typhi

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Microbiology
The application of Gamma rays destroys botulism toxin. The dose of gamma rays required for this purpose is

73 Rad
173 Rad
7.3 Mrad
73 Gy

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Microbiology
Sereny test is used for the detection of

enteropathogenic Escherichia coli
enterotoxigenic E. coli
verotoxigenic E. coli
enteroinvasive E. coli

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Microbiology
Heat-stable enterotoxin of Escherichia coli activates

guanylate cyclase
adenylate cyclase
none of these
both of the above

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Microbiology
A bacterial food intoxication refers to

both (a) and (b)
illness caused by presence of pathogens
food borne illness caused by the presence of a bacterial toxin formed in food
None of these

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Microbiology
Example of the pathogenic bacteria is/are

All of these
L biflexa
Leptospira interrogans
Lparva

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