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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

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

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Growth and Nutrition of Bacteria
Exponential phase of growth curve of bacteria is of limited duration because of

accumulation of toxic metabolites
rise in cell density
exhaustion of nutrients
all of these

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Growth and Nutrition of Bacteria
What are the extrinsic factors for the microbial growth?

composition of gas phase
humidity
storage temperature
all of these

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

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Growth and Nutrition of Bacteria
Pseudomonas pseudoflava can grow as

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

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Growth and Nutrition of Bacteria
The cell reproduction in bacteria may occur by

budding
binary fission
all of these
fragmentation

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