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Growth and Nutrition of Bacteria

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

an archaean
none of these
a fungus
a protozoan

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

photo-organotrophs
lithotrophs
phototrophs
chemotrophs

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Growth and Nutrition of Bacteria
Exponential phase of growth curve of bacteria is of limited duration because of

exhaustion of nutrients
all of these
accumulation of toxic metabolites
rise in cell density

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Growth and Nutrition of Bacteria
Which of the following is the suitable temperature range for mesophiles?

20-30°C
None of these
>40°C
25-40°C

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Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

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

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

cell activity
cell count
cell mass
all of these

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