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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
Phytoplankton
Zooplankton
Sea weed

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Growth and Nutrition of Bacteria
The cell reproduction in bacteria may occur by

budding
binary fission
all of these
fragmentation

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

acidophile
facultative anaerobe
osmotolerant
obligate aerobe

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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
Lag phase
Exponential phase
Death phase

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

requires less oxygen than is present in air
is killed by oxygen
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
Which of the following is the suitable temperature range for mesophiles?

None of these
20-30°C
>40°C
25-40°C

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