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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

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

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Growth and Nutrition of Bacteria
The reproduction by budding occur in

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

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Growth and Nutrition of Bacteria
The equation used to obtain bacterial population by binary fission is

All of these
log N/No = (0.3010) n
log(N/No) = nlog 2
N = No2n

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Growth and Nutrition of Bacteria
The term obligate anaerobe refers to an organism that

prefers to grow without oxygen
is killed by oxygen
uses oxygen when present or grows without oxygen when oxygen is absent
doesn't use oxygen but tolerates it

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Growth and Nutrition of Bacteria
Microaerophilic bacteria are those which require

low levels of oxygen for growth (lesser than O2 present in atmosphere)
None of these
21 % oxygen for growth
oxygen for activation of enzymes

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

light
ammonia
H2S
succinate

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