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Microbiology

Microbiology
Bacteria are

hyper parasitic
saprophytic
symbiotic
all of these

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Microbiology
Salmonellois is caused by the

neurotoxin of Salmonella spp
enterotoxin of Salmonella spp
endotoxin of Salmonella spp
exoenterotoxin of Salmonella spp

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Microbiology
Thermus thermopiles is a

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

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

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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

acetyl coA
diacetyl
acetone
butyric acid

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Microbiology
Heat-labile enterotoxin of Escherichia coli activates

none of these
adenylate cyclase
both (a) and (b)
guanylate cyclase

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MORE MCQ ON Microbiology

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