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Microbiology

Microbiology
Gassy spoilage of green olives is usually caused by

Bacillus spp
Clostridium spp
Enterobacter spp
all of these

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Microbiology
In Yersinia pestis, capsule is best demonstrated in cultures grown at

29°C
37°C
45°C
25°C

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

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

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Microbiology
Thermus thermopiles is a

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

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

teichoic acid
outer membrane
plasma membrane
murein

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Microbiology
Which of the following genus belongs to family Spirochaetaceae?

Spirochaeta
Treponema
Borrelia
All of these

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MORE MCQ ON Microbiology

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