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Growth and Nutrition of Bacteria

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

organotrophs
chemotrophs
prototrophs
autotrophs

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Growth and Nutrition of Bacteria
Autotrophic bacteria are those which

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

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Growth and Nutrition of Bacteria
Implicit factors

depend on developing microflora
both (a) and (b)
can be synergistic
None of these

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Growth and Nutrition of Bacteria
Starvation proteins are produced by a culture during which of the following segments of the growth curve?

Stationary phase
Lag phase
Death phase
Exponential phase

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

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

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Growth and Nutrition of Bacteria
The growth is normally expressed as __________ in turbidimetric measurement

cfu/ml
mg N2 /ml
cells per ml
optical density

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