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Microbiology

Microbiology
Bacteria are

saprophytic
hyper parasitic
all of these
symbiotic

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

Mycoplasmas
Pseudomonas
Clostridia
all of these

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Microbiology
The favouring conditions for floaters is

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

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Microbiology
Heat-labile enterotoxin of Escherichia coli activates

none of these
guanylate cyclase
adenylate cyclase
both (a) and (b)

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Microbiology
Which of the following bacteria is/are known as coliform bacilli?

All of these
Enterobacter
Escherichia
Klebsiella

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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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MORE MCQ ON Microbiology

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