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Microbiology

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

Enterobacter
Hafnia
Serratia
Cirobacter

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Microbiology
Gram-negative bacterium is/are

Escherichia
Clostridia
Staphylococci
All of these

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Microbiology
Blackening in pickles occurs due to

growth of Pencillium
the formation of hydrogen sulfide by bacteria
None of these
both (a) and (b)

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Microbiology
Dysentery may be caused by

verotoxigenic E. coli
enteroinvasive E. coli
enteropathogenic Escherichia coli
enterotoxigenic E. coli

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Microbiology
Enterobacter can be differentiated from Klebsiella by

ornithine positivity
motility
none of these
both (a) and (b)

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

Encapsulation
Cell aggregation
All of these
Endospores

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