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Microbiology

Microbiology
Coliform bacteria on fermentation of carbohydrates yields

lactic acid
acetic acid
all of these
formic acid

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Microbiology
Yersinia enterocolitica and Y. pestis can be differentiated on the basis of which of the following tests?

Decarboxylation of ornithine
All of these
Fermentation of sucrose and cellobiose
Motility at 22°C

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Microbiology
The method of successful treatment of botulism prior to appearance of botulism symptoms involve administration of

antitoxin
antipyretic
analgesic
antibiotic

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Microbiology
Group I C. botulinum strains generally includes in

all types of strains (non-proteolytic) E and F
all types of strains (proteolytic)C, D and F
all types of strains (proteolytic)A, B and F
None of these

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Microbiology
Gram-negative bacteria, responsible for food poisoning, is/are

None of these
Clostridia
Salmonella
Pseudomonas

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

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

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