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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Pseudomonas pseudoflava can grow as

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

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

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

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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

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

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Growth and Nutrition of Bacteria
Which of the following has more tolerance for acidic pH (lower pH)?

None of these
Bacteria
Yeast and moulds
E. coli

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