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Microbiology

Microbiology
The staphylococcal intoxication refers to presence of

neurotoxin
an enterotoxin
mycotoxin
All of these

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

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

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Microbiology
Blackening in pickles occurs due to

both (a) and (b)
None of these
the formation of hydrogen sulfide by bacteria
growth of Pencillium

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Microbiology
Bacteria are

all of these
saprophytic
hyper parasitic
symbiotic

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Microbiology
An excessively high temperature in the fermentation of sauerkraut may inhibit the growth of

none of these
both (a) and (b)
Pediococcus cerevisiae
Leuconostoc

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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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