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Growth and Nutrition of Bacteria

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

Sea weed
Grass
Phytoplankton
Zooplankton

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Growth and Nutrition of Bacteria
The microorganisms that grow best in a low-oxygen environment is called a (n)

microaerophile
anaerobe
aerobe
facultative

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

autotrophs
prototrophs
chemotrophs
organotrophs

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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
Heisenberg's principle of uncertainty
quorum sensing

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Growth and Nutrition of Bacteria
Antimicrobial constituents for the microbial growth in foods are

both (a) and (b)
extrinsic factor
none of these
intrinsic factor

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Growth and Nutrition of Bacteria
Some organisms can use reduced inorganic compounds as electron donors and are termed as

lithotrophs
photo-organotrophs
chemotrophs
phototrophs

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