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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Pseudomonas pseudoflava can grow as

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

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Growth and Nutrition of Bacteria
A culture broth tube was very turbid at the bottom of the tube but clear at the top of the tube indicating that the

organism can tolerate oxygen
broth is sterile
organism should be grown in an anaerobic chamber
organism cannot produce superoxide dismutase and/or catalase

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Growth and Nutrition of Bacteria
Starvation proteins are produced by a culture during which of the following segments of the growth curve?

Stationary phase
Exponential phase
Lag phase
Death phase

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

an archaean
a protozoan
none of these
a fungus

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

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

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Growth and Nutrition of Bacteria
Nutrient content and biological structures are considered as

implicit factor for microbial growth
None of these
processing factor
intrinsic factor for microbial growth

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