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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
humidity
all of these
storage temperature

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Growth and Nutrition of Bacteria
Organisms such as lactobacilli that have elaborate requirements for specific nutrients i.e. vitamins and other growth promoting substances, are generally called as

chemo-lithotrophs
chemotrophs
fastidious hetrotrophs
photo-organotrophs

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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
none of these
an archaean
a fungus

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Growth and Nutrition of Bacteria
The reproduction by budding occur in

Bacillus subtilis
Rhodopseudomonas acidophila
Both (a) and (b)
Hyphomicrobium vulgare

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Growth and Nutrition of Bacteria
The total biomass of an organism will be determined by the nutrient present in the lowest concentration relative to the organism's requirements is a statement of

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

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Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

none of these
between 16-38°C
below 16°C
above 38°C

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