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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Generation time of Escherichia coli is

20 minutes
200 hours
20 days
20 hours

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

autotrophs
chemotrophs
prototrophs
organotrophs

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Growth and Nutrition of Bacteria
Bacteria of genus Nitrosomonas use __________ as their electron source.

light
H2S
ammonia
succinate

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

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

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Growth and Nutrition of Bacteria
Starvation proteins are produced by a culture during which of the following segments of the growth curve?

Death phase
Stationary phase
Lag phase
Exponential phase

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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

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

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