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Microbiology

Microbiology
Gassy spoilage of green olives is usually caused by

Bacillus spp
Enterobacter spp
Clostridium spp
all of these

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Microbiology
Soft pickles are made so by pectolytic enzymes mostly from

yeasts
bacteria
none of these
moulds

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Microbiology
The enzyme, which hydrolyses the murein is

tannase
perxoidase
lysozyme
none of these

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Microbiology
Spirochaetes exhibit

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

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Microbiology
Salmonellois is caused by the

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

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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
presence of carbohydrate like glucose
neutral or slightly alkaline brine
All of these

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