Q. The dilution rate, D is defined as(where F = volumetric flow rate, VR = total volume of culture in the reactor and μ specific growth rate)

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Q. Diauxie is

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Q. An open system in which the growth rate is maintained by adding a nutrient (present in limiting quantities) at the same rate as that medium containing micro-organisms is removed is called

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Q. The maximum specific growth rate (μm) of an organism in batch culture is equal to slope of a plot of

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Q. The region of an airlift bioreactor in which the liquid travels in a downward direction is called the

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Q. Population doubling time, td can be expressed as (where μ is the specific growth rate.)

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Q. A higher Ks value of Monod's equation means

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Q. The increased air flow rate in bubble column fermenter can cause excessive foaming and high retention of air bubbles in the column which

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Q. The function of the disengagement zone in an airlift fermenter is to

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Q. Stationary phase is described as

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Q. In the accelerated phase, cell starts to

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Q. The monod model predicts that the specific growth rate

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Q. A mixed fermentation is one, which produces

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Q. Which of the following is correct for the prediction of time requirement in a batch fermenter?

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Q. In an airlift bioreactor, the spent gases released from the liquid are called

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Q. The contents in jet loop reactor are mixed through

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Q. The specific growth rate (μ) is defined as

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Q. The number of baffles in a standard stirred tank bioreactor is

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Q. An internal draft tube is preferrred to an external draft tube because

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Q. A functional relationship between the specific growth rate and essential compounds concentration was proposed by Monod in

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