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Microbiology

Microbiology
Coliform bacteria on fermentation of carbohydrates yields

acetic acid
all of these
formic acid
lactic acid

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Microbiology
Primarily human pathogenic bacteria is/are ,

S paratyphi A
all of these
Salmonella typhi
S paratyphi B

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Microbiology
Selective media for the isolation of Shigella is

Salmonella-Shigella agar
All of these
Hektoen enteric agar
Xylose lysine deoxycholate agar

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Microbiology
In Widal test the significant titres for H agglutinins is

1:100 ormore
1:400 or more
1:50 or more
1:200 or more

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Microbiology
Which of the following species/subspecies of Klebsiella produce indole?

K pneumoniae subspecies aerogenes
K oxytoca
K pneumoniae subspecies pneumoniae
K pneumoniae subspecies rhinoscleromatis

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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
acetone
acetyl coA
diacetyl

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MORE MCQ ON Microbiology

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