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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
decreases
are constant
first increases then decreases

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Growth and Nutrition of Bacteria
Generation time of Escherichia coli is

20 days
20 minutes
200 hours
20 hours

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

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

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Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

none of these
above 38°C
below 16°C
between 16-38°C

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

microaerophile
facultative
anaerobe
aerobe

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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

aerotolerant anaerobe
osmotolerant
neutrophile
acidophile

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MORE MCQ ON Growth and Nutrition of Bacteria

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