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Growth and Nutrition of Bacteria

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

Sea weed
Grass
Zooplankton
Phytoplankton

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

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

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Growth and Nutrition of Bacteria
The period between inoculation of bacteria in a culture medium and beginning of multiplication is known as

stationary phase
decline phase
lag phase
log phase

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

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

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

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

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Growth and Nutrition of Bacteria
An organism is completely dependent on atmospheric O2 for growth. This organism is

facultative anaerobe
osmotolerant
obligate aerobe
acidophile

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