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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Lag phase is also known as

period of initial adjustment
none of these
generation time
transitional period

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Growth and Nutrition of Bacteria
A spore differs from an actively replicating bacterium in that the spore

is able to withstand more extreme conditions than the replicating cell
is produced during a process involving asymmetric division
All of these
is metabolically inactive

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Growth and Nutrition of Bacteria
Which of the following has more tolerance for acidic pH (lower pH)?

Yeast and moulds
Bacteria
None of these
E. coli

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

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

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Growth and Nutrition of Bacteria
The cell reproduction in bacteria may occur by

all of these
binary fission
budding
fragmentation

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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

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

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