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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Which of the following is the suitable temperature range for mesophiles?

20-30°C
None of these
>40°C
25-40°C

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Growth and Nutrition of Bacteria
The total biomass of an organism will be determined by the nutrient present in the lowest concentration relative to the organism's requirements is a statement of

Liebig's law of the minimum
Shelford's law of tolerance
quorum sensing
Heisenberg's principle of uncertainty

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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

log phase
decline phase
stationary phase
lag phase

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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

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

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

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

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

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

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