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Growth and Nutrition of Bacteria

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

fragmentation
binary fission
all of these
budding

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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

chemotrophs
chemo-lithotrophs
fastidious hetrotrophs
photo-organotrophs

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

Chemostat
Hemostat
Coulter Counter
Petroff-Hausser chamber

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

chemotrophs
lithotrophs
phototrophs
organotrophs

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Growth and Nutrition of Bacteria
What are the extrinsic factors for the microbial growth?

composition of gas phase
all of these
storage temperature
humidity

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

autotrophs
chemotrophs
organotrophs
prototrophs

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