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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
The reproduction by budding occur in

Both (a) and (b)
Rhodopseudomonas acidophila
Bacillus subtilis
Hyphomicrobium vulgare

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

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

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Growth and Nutrition of Bacteria
All organisms require at least small amounts of carbondioxide, However, some can use CO2 as their sole source of carbon. Such organisms are termed as

chemotrophs
phototrophs
photo-organotrophs
autotrophs

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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
exhaustion of nutrients
accumulation of toxic metabolites
all of these

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

obligate aerobe
osmotolerant
acidophile
facultative anaerobe

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

lithotrophs
chemotrophs
phototrophs
organotrophs

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