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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
During exponential growth, the growth rate is

both (a) and (b)
reciprocal of generation time
number of generations per unit time
none of these

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Growth and Nutrition of Bacteria
The generation time of a culture that produces two generations per hour is

None of these
lesser than that produces three generations per hour
greater than that produces three generations per hour
equal to that produces three generations per hour

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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
Postgates assay technique is useful in determining if a cell is viable even though it is

incapable of cell division
a thermophile
an obligate aerobe
too small to see

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Growth and Nutrition of Bacteria
The term facultative anaerobe refers to an organism that

is killed by oxygen
requires less oxygen than is present in air
uses oxygen when present or grows without oxygen when absent
doesn't use oxygen but tolerates it

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Growth and Nutrition of Bacteria
The reproduction by budding occur in

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

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