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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Implicit factors

None of these
both (a) and (b)
can be synergistic
depend on developing microflora

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Growth and Nutrition of Bacteria
The organism which grows best above 45°C are called

mesosphilic
any of these
thermophilic
psychrophilic

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Growth and Nutrition of Bacteria
A synergistic effect is observed when

one organism removes an inhibitory substance for another
microbial alteration of pH, aw, Eh favours the growth of another
All of these
one organism produces a growth factor utilized by another

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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
Microaerophilic bacteria are those which require

low levels of oxygen for growth (lesser than O2 present in atmosphere)
21 % oxygen for growth
oxygen for activation of enzymes
None of these

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Growth and Nutrition of Bacteria
A microbe, which grows at temperatures above 95° C is most likely to be

a protozoan
a fungus
none of these
an archaean

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