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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
What is the primary source of food for marine life?

Grass
Zooplankton
Phytoplankton
Sea weed

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

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

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Growth and Nutrition of Bacteria
Pseudomonas pseudoflava can grow as

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

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

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

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

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Growth and Nutrition of Bacteria
The reproduction by budding occur in

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

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