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Microbiology

Microbiology
Example of the pathogenic bacteria is/are

L biflexa
Leptospira interrogans
Lparva
All of these

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Microbiology
Coliform bacteria on fermentation of carbohydrates yields

acetic acid
formic acid
lactic acid
all of these

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Microbiology
Prodigiosin (red pigment) is produced by members of genus

Hafnia
Enterobacter
Serratia
Cirobacter

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

Pseudomonas aeruginosa
Yersinia pestis
All of these
Proteus mirabilis

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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

diacetyl
acetyl coA
butyric acid
acetone

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Microbiology
Xylose lysine deoxycholate (XLD) agar is better selective medium than the deoxycholate citrate agar (DCA) because

it is selective
it imparts better growth
it is less inhibitory to S. Dysentriae and S. flexneri
it contains high salt concentration

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MORE MCQ ON Microbiology

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