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Microbiology

Microbiology
Coliform bacteria on fermentation of carbohydrates yields

acetic acid
all of these
lactic acid
formic acid

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Microbiology
The Bacillus cereus causes gasteroenteritis by the production of an exoenterotoxin which is released in food as a result of

cell autolysis
cell permeation
cell damage
cell growth

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Microbiology
Blackening in pickles occurs due to

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

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Microbiology
Arrange the potencies of toxin in descending order of the following canned foods

peas>string beans>spinach> corn
corn> string bean>peas>spinach
corn> peas>string beans>spinach
corn> spinach> peas>string beans

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Microbiology
Gram-negative bacteria, responsible for food poisoning, is/are

Pseudomonas
None of these
Clostridia
Salmonella

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

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

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