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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Generation time of Escherichia coli is

20 minutes
20 days
20 hours
200 hours

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Growth and Nutrition of Bacteria
The period between inoculation of bacteria in a culture medium and beginning of multiplication is known as

decline phase
stationary phase
lag phase
log phase

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

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

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

H2S
ammonia
succinate
light

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Growth and Nutrition of Bacteria
Postgates assay technique is useful in determining if a cell is viable even though it is

incapable of cell division
a thermophile
an obligate aerobe
too small to see

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Growth and Nutrition of Bacteria
Pseudomonas pseudoflava can grow as

both (a) and (b)
chemo-lithotrophs
chemo-organotrophs
none of these

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MORE MCQ ON Growth and Nutrition of Bacteria

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