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Growth and Nutrition of Bacteria

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

Bacteria
E. coli
Yeast and moulds
None of these

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Growth and Nutrition of Bacteria
What is the primary source of food for marine life?

Sea weed
Grass
Zooplankton
Phytoplankton

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Growth and Nutrition of Bacteria
What are the extrinsic factors for the microbial growth?

composition of gas phase
all of these
storage temperature
humidity

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Growth and Nutrition of Bacteria
The average size of cells during the exponential phase of growth is

greater than the lag phase
lesser than the lag phase
equal to the lag phase
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

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

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

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

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