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Growth and Nutrition of Bacteria

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

first increases then decreases
are constant
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
All of these
N = No2n
log(N/No) = nlog 2

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Growth and Nutrition of Bacteria
The total biomass of an organism will be determined by the nutrient present in the lowest concentration relative to the organism's requirements is a statement of

quorum sensing
Liebig's law of the minimum
Heisenberg's principle of uncertainty
Shelford's law of tolerance

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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
The organism which obtain their energy from chemicals are designated as

autotrophs
prototrophs
chemotrophs
organotrophs

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Growth and Nutrition of Bacteria
An organism is completely dependent on atmospheric O2 for growth. This organism is

obligate aerobe
acidophile
facultative anaerobe
osmotolerant

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MORE MCQ ON Growth and Nutrition of Bacteria

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