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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Starvation proteins are produced by a culture during which of the following segments of the growth curve?

Lag phase
Death phase
Stationary phase
Exponential phase

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Growth and Nutrition of Bacteria
All organisms require at least small amounts of carbondioxide, However, some can use CO2 as their sole source of carbon. Such organisms are termed as

autotrophs
phototrophs
chemotrophs
photo-organotrophs

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Growth and Nutrition of Bacteria
Which of the following is used to grow bacterial cultures continuously?

Hemostat
Coulter Counter
Petroff-Hausser chamber
Chemostat

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

all of these
fragmentation
binary fission
budding

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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
Antimicrobial constituents for the microbial growth in foods are

intrinsic factor
none of these
extrinsic factor
both (a) and (b)

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