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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
The organism which obtain their energy from chemicals are designated as

organotrophs
autotrophs
chemotrophs
prototrophs

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

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

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Growth and Nutrition of Bacteria
Nutrient content and biological structures are considered as

implicit factor for microbial growth
None of these
intrinsic factor for microbial growth
processing factor

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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
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
Bacteria and fungi multiply best

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

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