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Growth and Nutrition of Bacteria

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

Coulter Counter
Chemostat
Petroff-Hausser chamber
Hemostat

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Growth and Nutrition of Bacteria
Organisms such as lactobacilli that have elaborate requirements for specific nutrients i.e. vitamins and other growth promoting substances, are generally called as

fastidious hetrotrophs
photo-organotrophs
chemotrophs
chemo-lithotrophs

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

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

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Growth and Nutrition of Bacteria
The straightforward method of binary fission explains how bacteria

grow in nutrient agar
evolve
reproduce
move

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

binary fission
fragmentation
all of these
budding

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Growth and Nutrition of Bacteria
Generation time of Escherichia coli is

20 hours
20 minutes
20 days
200 hours

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