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Microbiology

Microbiology
Gassy spoilage of green olives is usually caused by

Enterobacter spp
all of these
Clostridium spp
Bacillus spp

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Microbiology
Bacterial spoilage is identified by which of the following morphological characteristics?

Endospores
Cell aggregation
Encapsulation
All of these

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Microbiology
Gram-negative bacterium is/are

Staphylococci
Clostridia
All of these
Escherichia

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Microbiology
The milk streptococci produce acetoin that gets spontaneously oxidized yielding a flavorings agent (responsible for aroma of butter) that is

acetone
butyric acid
acetyl coA
diacetyl

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Microbiology
Prodigiosin (red pigment) is produced by members of genus

Hafnia
Enterobacter
Serratia
Cirobacter

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Microbiology
Thermus thermopiles is a

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

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MORE MCQ ON Microbiology

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