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Microbiology

Microbiology
Salmonellae can also be killed by

pasteurisation
chlorination
boiling
all of these

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Microbiology
The milk streptococci produce acetoin that gets spontaneously oxidized yielding a flavorings agent (responsible for aroma of butter) that is

butyric acid
diacetyl
acetyl coA
acetone

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Microbiology
Gassy spoilage of green olives is usually caused by

Bacillus spp
Clostridium spp
Enterobacter spp
all of these

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Microbiology
Sereny test is used for the detection of

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

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Microbiology
The reaction(s) that is/are usually positive in Escherichia coli, is/ are

All of these
Indole reaction
Methyl red reaction
Glucose fermentation

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Microbiology
The agent(s) which can cause plague is/are

Yersinia pestis
Proteus mirabilis
All of these
Pseudomonas aeruginosa

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MORE MCQ ON Microbiology

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