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Growth and Nutrition of Bacteria

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

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

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Growth and Nutrition of Bacteria
In the exponential phase, the cells and cell mass

decreases
first increases then decreases
double at a constant rate
are constant

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Growth and Nutrition of Bacteria
The fragmentation occurs in

Nocardia species
Bacillus subtilis
Streptomyces species
None of these

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Growth and Nutrition of Bacteria
Microaerophilic bacteria are those which require

None of these
21 % oxygen for growth
oxygen for activation of enzymes
low levels of oxygen for growth (lesser than O2 present in atmosphere)

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Growth and Nutrition of Bacteria
Autotrophic bacteria are those which

produce a blue-green pigment
form a long chain glycocalyx
make their own food
are highly susceptible to penicillin

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

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

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