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Growth and Nutrition of Bacteria

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

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

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Growth and Nutrition of Bacteria
Microaerophilic bacteria are those which require

21 % oxygen for growth
low levels of oxygen for growth (lesser than O2 present in atmosphere)
None of these
oxygen for activation of enzymes

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Growth and Nutrition of Bacteria
Pseudomonas pseudoflava can grow as

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

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Growth and Nutrition of Bacteria
The reproduction by budding occur in

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

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

Phytoplankton
Sea weed
Grass
Zooplankton

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

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

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