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Growth and Nutrition of Bacteria

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

facultative anaerobe
acidophile
obligate aerobe
osmotolerant

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

storage temperature
composition of gas phase
humidity
all of these

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Growth and Nutrition of Bacteria
The organism which grows best above 45°C are called

any of these
thermophilic
psychrophilic
mesosphilic

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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
Lag phase is also known as

generation time
transitional period
none of these
period of initial adjustment

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Growth and Nutrition of Bacteria
The reproduction by budding occur in

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

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