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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Implicit factors

both (a) and (b)
depend on developing microflora
None of these
can be synergistic

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Growth and Nutrition of Bacteria
The microorganisms that grow best in a low-oxygen environment is called a (n)

aerobe
microaerophile
anaerobe
facultative

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Growth and Nutrition of Bacteria
Antimicrobial constituents for the microbial growth in foods are

both (a) and (b)
none of these
extrinsic factor
intrinsic factor

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Growth and Nutrition of Bacteria
The combination of low levels of NaCl, NaNO3 (sodium nitrate), and slightly acid pH can prevent multiplication and toxin formation of

C. botulinum
S. aureus
all of these
Salmonella

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Growth and Nutrition of Bacteria
All organisms require at least small amounts of carbondioxide, However, some can use CO2 as their sole source of carbon. Such organisms are termed as

autotrophs
chemotrophs
photo-organotrophs
phototrophs

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Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

between 16-38°C
below 16°C
none of these
above 38°C

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