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Microbiology

Microbiology
Transmission of bubonic plague is by

rat flea
ingestion
all of these
inhalation

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Microbiology
Enterobacter can be differentiated from Klebsiella by

both (a) and (b)
motility
none of these
ornithine positivity

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Microbiology
Which of the following property(ies), shown by the organisms belong(s) to the family Enterobacteriaceae?

They are catalase-positive
They ferment glucose
All of these
They are oxidase-negative

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

Pseudomonas
None of these
Salmonella
Clostridia

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Microbiology
The elimination of the scum of yeasts in the brine during the fermentation include

agitation of the surface
addition of the sorbic acid
addition of the mustard oil
all of these

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Microbiology
Bacteria are

saprophytic
all of these
symbiotic
hyper parasitic

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