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Microbiology

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

all of these
Serratia
Enterohacter
Citrobacter

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Microbiology
Gram-negative bacterium is/are

Escherichia
Staphylococci
All of these
Clostridia

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Microbiology
Which of the following(s) bacteria belong to the family Entero-bacteriaceae?

All of these
Shigella
Salmonella
Yersinia

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Microbiology
The reaction(s) that is/are usually positive in Escherichia coli, is/ are

Methyl red reaction
Glucose fermentation
All of these
Indole reaction

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

outer membrane
plasma membrane
teichoic acid
murein

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Microbiology
The botulism intoxication occurs due to

neurotoxin
all of these
an enterotoxin
mycotoxin

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MORE MCQ ON Microbiology

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