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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
25-40°C
>40°C

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Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

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

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

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

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Growth and Nutrition of Bacteria
Quantitative measurement of bacterial growth can be carried out by measuring

cell mass
cell count
cell activity
all of these

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Growth and Nutrition of Bacteria
Exponential phase of growth curve of bacteria is of limited duration because of

exhaustion of nutrients
rise in cell density
accumulation of toxic metabolites
all of these

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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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