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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
Spirochaetes exhibit

corkscrew-like rotatory movement
translatory motion
flexion and extension motility
All of these

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Microbiology
The growth of black-pigmented Bacillus nigrificans, a causative agent of black pickle is favoured by

low level of available nitrogen
All of these
neutral or slightly alkaline brine
presence of carbohydrate like glucose

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Microbiology
Thermus thermopiles is a

gram negative eubacteria
gram positive eubacteria
gram negative archebacteria
gram positive archebacteria

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

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

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Microbiology
The most important bacterium developing acidity in both low and high salt brines is

L. plantarum
L. brevis
B. subtilis
L. lactis

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MORE MCQ ON Microbiology

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