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Growth and Nutrition of Bacteria

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

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

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Growth and Nutrition of Bacteria
The equation used to obtain bacterial population by binary fission is

log N/No = (0.3010) n
N = No2n
All of these
log(N/No) = nlog 2

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Growth and Nutrition of Bacteria
The cell reproduction in bacteria may occur by

fragmentation
budding
binary fission
all of these

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Growth and Nutrition of Bacteria
Lag phase is also known as

transitional period
period of initial adjustment
generation time
none of these

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

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

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Growth and Nutrition of Bacteria
An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is

acidophile
osmotolerant
neutrophile
aerotolerant anaerobe

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