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Microbiology

Microbiology
Soft pickles are made so by pectolytic enzymes mostly from

none of these
moulds
bacteria
yeasts

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Microbiology
The bacteria, which is more resistant to adverse environmental conditions, is

S boydii
S dysenteriae
S flexneri
S sonnei

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Microbiology
Bacteria are

saprophytic
hyper parasitic
all of these
symbiotic

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Microbiology
Blackening in pickles occurs due to

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

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Microbiology
Gassy spoilage of green olives is usually caused by

Bacillus spp
Clostridium spp
Enterobacter spp
all of these

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Microbiology
The bacteria which produce(s) β-galactosidase is/are

all of these
Citrobacter
Enterohacter
Serratia

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