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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?

25-40°C
20-30°C
>40°C
None of these

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Growth and Nutrition of Bacteria
The ability of Vibrio fischeri to produce bioluminescence chemicals only when a certain population density has been reached is an example of

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

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Growth and Nutrition of Bacteria
Implicit factors

can be synergistic
None of these
both (a) and (b)
depend on developing microflora

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Growth and Nutrition of Bacteria
A microbe, which grows at temperatures above 95° C is most likely to be

a protozoan
a fungus
an archaean
none 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

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

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Growth and Nutrition of Bacteria
Organisms, using organic compounds as electron donors are called

phototrophs
organotrophs
lithotrophs
chemotrophs

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