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Growth and Nutrition of Bacteria

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

storage temperature
all of these
composition of gas phase
humidity

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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
Heisenberg's principle of uncertainty
Liebig's law of the minimum

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

Phytoplankton
Zooplankton
Grass
Sea weed

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Growth and Nutrition of Bacteria
All organisms require at least small amounts of carbondioxide, However, some can use CO2 as their sole source of carbon. Such organisms are termed as

autotrophs
photo-organotrophs
phototrophs
chemotrophs

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Growth and Nutrition of Bacteria
Quantitative measurement of bacterial growth can be carried out by measuring

cell activity
cell mass
cell count
all of these

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

all of these
fragmentation
budding
binary fission

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