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Growth and Nutrition of Bacteria

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

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

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Growth and Nutrition of Bacteria
The term aerotolerant anaerobe refers to an organism that

requires less oxygen than is present in air
prefers to grow without oxygen
is killed by oxygen
doesn't use oxygen but can grow in the presence of oxygen

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Growth and Nutrition of Bacteria
Generation time of Escherichia coli is

20 days
20 minutes
20 hours
200 hours

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Growth and Nutrition of Bacteria
A spore differs from an actively replicating bacterium in that the spore

is metabolically inactive
All of these
is produced during a process involving asymmetric division
is able to withstand more extreme conditions than the replicating cell

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

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

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Growth and Nutrition of Bacteria
Autotrophic bacteria are those which

are highly susceptible to penicillin
form a long chain glycocalyx
produce a blue-green pigment
make their own food

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