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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 equation used to obtain bacterial population by binary fission is

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

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Growth and Nutrition of Bacteria
Autotrophic bacteria are those which

form a long chain glycocalyx
produce a blue-green pigment
are highly susceptible to penicillin
make their own food

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Growth and Nutrition of Bacteria
During exponential growth, the growth rate is

reciprocal of generation time
number of generations per unit time
none of these
both (a) and (b)

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Growth and Nutrition of Bacteria
Starvation proteins are produced by a culture during which of the following segments of the growth curve?

Lag phase
Stationary phase
Exponential phase
Death phase

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Growth and Nutrition of Bacteria
In the exponential phase, the cells and cell mass

are constant
decreases
first increases then decreases
double at a constant rate

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