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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
The equation used to obtain bacterial population by binary fission is

log(N/No) = nlog 2
All of these
N = No2n
log N/No = (0.3010) n

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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
What are the extrinsic factors for the microbial growth?

humidity
composition of gas phase
storage temperature
all of these

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Growth and Nutrition of Bacteria
Antimicrobial constituents for the microbial growth in foods are

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

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Growth and Nutrition of Bacteria
Lag phase is also known as

period of initial adjustment
generation time
transitional period
none of these

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Growth and Nutrition of Bacteria
Organisms, using organic compounds as electron donors are called

lithotrophs
chemotrophs
organotrophs
phototrophs

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