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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
During exponential growth, the growth rate is

number of generations per unit time
reciprocal of generation time
both (a) and (b)
none of these

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

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

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Growth and Nutrition of Bacteria
A culture broth tube was very turbid at the bottom of the tube but clear at the top of the tube indicating that the

organism should be grown in an anaerobic chamber
organism can tolerate oxygen
broth is sterile
organism cannot produce superoxide dismutase and/or catalase

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

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

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Growth and Nutrition of Bacteria
Lag phase is also known as

generation time
period of initial adjustment
none of these
transitional period

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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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