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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Which of the following has more tolerance for acidic pH (lower pH)?

Yeast and moulds
E. coli
Bacteria
None 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
A spore differs from an actively replicating bacterium in that the spore

is produced during a process involving asymmetric division
is metabolically inactive
is able to withstand more extreme conditions than the replicating cell
All of these

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Growth and Nutrition of Bacteria
The reproduction by budding occur in

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

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Growth and Nutrition of Bacteria
The growth is normally expressed as __________ in turbidimetric measurement

cfu/ml
mg N2 /ml
optical density
cells per ml

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

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

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