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Growth and Nutrition of Bacteria

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

lithotrophs
phototrophs
organotrophs
chemotrophs

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Growth and Nutrition of Bacteria
An organism that expends energy to grow in a habitat with a low water activity in order to maintain internal solute concentrations to retain water is

acidophile
osmotolerant
aerotolerant anaerobe
alkalophile

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Growth and Nutrition of Bacteria
The reproduction by budding occur in

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

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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
All of these
is able to withstand more extreme conditions than the replicating cell
is metabolically inactive

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Growth and Nutrition of Bacteria
The fragmentation occurs in

None of these
Nocardia species
Bacillus subtilis
Streptomyces species

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

storage temperature
humidity
all of these
composition of gas phase

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