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Growth and Nutrition of Bacteria

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
Pseudomonas pseudoflava can grow as

none of these
chemo-lithotrophs
both (a) and (b)
chemo-organotrophs

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

phototrophs
chemotrophs
lithotrophs
photo-organotrophs

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

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

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Growth and Nutrition of Bacteria
In the exponential phase, the cells and cell mass

double at a constant rate
first increases then decreases
decreases
are constant

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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
an archaean
none of these

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