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Microbiology

Microbiology
Soft pickles are made so by pectolytic enzymes mostly from

none of these
bacteria
yeasts
moulds

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Microbiology
Shriveling in fermented pickles results from the physical effect of

all of these
too strong vinegar solution
too strong sugar solution
too strong salt solution

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

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

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Microbiology
Yersinia enterocolitica and Y. pestis can be differentiated on the basis of which of the following tests?

Motility at 22°C
Decarboxylation of ornithine
Fermentation of sucrose and cellobiose
All of these

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Microbiology
Abnormal fermentation of cabbage may result in a cheese like odour caused by

all of these
caprioc acid and Valeric acid
butyric acid
propionic acid

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Microbiology
Floaters or bloaters may result from

gas being formed by yeasts
hetero fermentative lactic acid bacteria
all of these
hollow cucumbers

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MORE MCQ ON Microbiology

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