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Growth and Nutrition of Bacteria

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

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

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Growth and Nutrition of Bacteria
Postgates assay technique is useful in determining if a cell is viable even though it is

a thermophile
incapable of cell division
an obligate aerobe
too small to see

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Growth and Nutrition of Bacteria
Starvation proteins are produced by a culture during which of the following segments of the growth curve?

Stationary phase
Death phase
Exponential phase
Lag phase

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Growth and Nutrition of Bacteria
Nutrient content and biological structures are considered as

intrinsic factor for microbial growth
processing factor
implicit factor for microbial growth
None of these

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Growth and Nutrition of Bacteria
Microaerophilic bacteria are those which require

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

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

phototrophs
chemotrophs
lithotrophs
organotrophs

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