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Growth and Nutrition of Bacteria

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

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

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

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

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

aerobe
anaerobe
facultative
microaerophile

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Growth and Nutrition of Bacteria
Exponential phase of growth curve of bacteria is of limited duration because of

all of these
exhaustion of nutrients
accumulation of toxic metabolites
rise in cell density

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

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

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Growth and Nutrition of Bacteria
A spore differs from an actively replicating bacterium in that the spore

is produced during a process involving asymmetric division
is metabolically inactive
is able to withstand more extreme conditions than the replicating cell
All of these

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