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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
The organism which obtain their energy from chemicals are designated as

organotrophs
chemotrophs
autotrophs
prototrophs

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

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

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Growth and Nutrition of Bacteria
A synergistic effect is observed when

microbial alteration of pH, aw, Eh favours the growth of another
one organism produces a growth factor utilized by another
one organism removes an inhibitory substance for another
All of these

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Growth and Nutrition of Bacteria
Nutrient content and biological structures are considered as

None of these
intrinsic factor for microbial growth
implicit factor for microbial growth
processing factor

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Growth and Nutrition of Bacteria
The term obligate anaerobe refers to an organism that

prefers to grow without oxygen
uses oxygen when present or grows without oxygen when oxygen is absent
is killed by oxygen
doesn't use oxygen but tolerates it

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Growth and Nutrition of Bacteria
What are the extrinsic factors for the microbial growth?

humidity
composition of gas phase
all of these
storage temperature

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