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Microbiology

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

Serratia
Enterohacter
Citrobacter
all of these

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Microbiology
Salmonellae can also be killed by

chlorination
pasteurisation
all of these
boiling

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

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

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Microbiology
Thermus thermopiles is a

gram positive eubacteria
gram negative archebacteria
gram negative eubacteria
gram positive archebacteria

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Microbiology
The gram-positive bacteria lack __________ structure/component?

teichoic acid
murein
outer membrane
plasma membrane

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Microbiology
The favouring conditions for floaters is

both (a) and (b)
thick skin that does not allow gas to diffuse out
high intial amounts of salt
none of these

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MORE MCQ ON Microbiology

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