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Biochemical Engineering - Fermentation Kinetics

Exercise : Fermentation Kinetics - Section 2
11.
Lag phase occurs mainly due to
acclimatization with new environment and substrate
higher growth temperature
substrate disliking
variation in substrate concentration
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
In a batch reactor specific growth rate
remains constant throughout the process
increases exponentially
changes during the fermentation
is highest during the stationary phase
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Turbidostat is recommended when continuous fermentation needs to be carried out at
high dilution rates near the washout point
low dilution rates near the washout point
moderate dilution rates near the washout point
any intensity of dilution rates near the washout point
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
The advantage of airlift bioreactors over stirred tank bioreactors of a similar size is
higher oxygen transfer rates
more uniform shear conditions
both (a) and (b)
less foaming
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Stirred tank fermenter (STF) can be employed for
aerobic fermentation of a wide range of cells including microbial, animal and plant cells
anaerobic fermentation of a wide range of cells including microbial, animal and plant cells
Both (a) and (b)
anaerobic fermentation of plant cells only
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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