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Growth and Nutrition of Bacteria

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

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

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Growth and Nutrition of Bacteria
A microbe, which grows at temperatures above 95° C is most likely to be

a fungus
none of these
an archaean
a protozoan

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Growth and Nutrition of Bacteria
Pseudomonas pseudoflava can grow as

chemo-lithotrophs
both (a) and (b)
none of these
chemo-organotrophs

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Growth and Nutrition of Bacteria
Microaerophilic bacteria are those which require

21 % oxygen for growth
oxygen for activation of enzymes
low levels of oxygen for growth (lesser than O2 present in atmosphere)
None of these

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Growth and Nutrition of Bacteria
Organisms, using organic compounds as electron donors are called

chemotrophs
organotrophs
phototrophs
lithotrophs

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Growth and Nutrition of Bacteria
The generation time of a culture that produces two generations per hour is

equal to that produces three generations per hour
lesser than that produces three generations per hour
None of these
greater than that produces three generations per hour

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