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Growth and Nutrition of Bacteria

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

log phase
lag phase
decline phase
stationary phase

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Growth and Nutrition of Bacteria
During exponential growth, the growth rate is

reciprocal of generation time
both (a) and (b)
none of these
number of generations per unit time

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

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

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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

phototrophs
photo-organotrophs
chemotrophs
autotrophs

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Growth and Nutrition of Bacteria
The organism which obtain their energy from chemicals are designated as

organotrophs
autotrophs
prototrophs
chemotrophs

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

lithotrophs
phototrophs
chemotrophs
organotrophs

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