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Growth and Nutrition of Bacteria

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

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

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Growth and Nutrition of Bacteria
Nutrient content and biological structures are considered as

intrinsic factor for microbial growth
processing factor
None of these
implicit factor for microbial growth

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

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

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Growth and Nutrition of Bacteria
An organism that expends energy to grow in a habitat with a low water activity in order to maintain internal solute concentrations to retain water is

aerotolerant anaerobe
acidophile
alkalophile
osmotolerant

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Growth and Nutrition of Bacteria
Microaerophilic bacteria are those which require

oxygen for activation of enzymes
None of these
low levels of oxygen for growth (lesser than O2 present in atmosphere)
21 % oxygen for growth

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Growth and Nutrition of Bacteria
The average size of cells during the exponential phase of growth is

greater than the lag phase
none of these
equal to the lag phase
lesser than the lag phase

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