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Microbiology

Microbiology
Transmission of bubonic plague is by

all of these
rat flea
ingestion
inhalation

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

Clostridia
Pseudomonas
None of these
Salmonella

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Microbiology
Cloudiness of brine of glass-packed olives may be caused by

All of these
film yeasts or moulds if air is available
the lactics if fermentation of residual sugar resumes
salt-tolerant bacteria

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Microbiology
The growth of black-pigmented Bacillus nigrificans, a causative agent of black pickle is favoured by

neutral or slightly alkaline brine
All of these
presence of carbohydrate like glucose
low level of available nitrogen

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Microbiology
Botulism is caused by the presence of toxin developed by

none of these
Clostridium sporogenes
Clostridium botulinum
Clostridium tyrobutyricum

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Microbiology
Which of the following genus belongs to family Spirochaetaceae?

Treponema
Borrelia
Spirochaeta
All of these

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MORE MCQ ON Microbiology

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