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Growth and Nutrition of Bacteria

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

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

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Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

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

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

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

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

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

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Growth and Nutrition of Bacteria
Antimicrobial constituents for the microbial growth in foods are

intrinsic factor
both (a) and (b)
none of these
extrinsic factor

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

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

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