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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)?

E. coli
Bacteria
None of these
Yeast and moulds

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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

aerotolerant anaerobe
osmotolerant
acidophile
alkalophile

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Growth and Nutrition of Bacteria
Bacteria of genus Nitrosomonas use __________ as their electron source.

ammonia
succinate
light
H2S

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Growth and Nutrition of Bacteria
The reproduction by budding occur in

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

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

chemotrophs
lithotrophs
organotrophs
phototrophs

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

obligate aerobe
facultative anaerobe
acidophile
osmotolerant

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