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Microbiology

Microbiology
Which of the following toxin causing botulism is less toxic to human beings?

Type C
Type A
Type B
None of these

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Microbiology
Soft pickles are made so by pectolytic enzymes mostly from

bacteria
yeasts
moulds
none of these

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Microbiology
Primarily human pathogenic bacteria is/are ,

Salmonella typhi
all of these
S paratyphi B
S paratyphi A

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Microbiology
Verotoxin 1 of Escherichia coli is similar to

cholera toxin
shiga toxin
heat-stable enterotoxin of E. coli
heat-labile enterotoxin of E. coli

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Microbiology
Which of the following is a food infection?

None of these
Salmonellois
Botulism
Staphylococcal intoxication

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

Glucose fermentation
Indole reaction
Methyl red reaction
All of these

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