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00000BT203121901

PART (^
Answer any two full questions, each carries 20 marks.

With neat sketches explain the flow patterns seen in a baffled and unbaffled
stirred tank bioreactor.
With a neat sketch explain what is a biosensor and the components seen in a
typical biosensor.
Name two important physical, chemical and biological parameters and the
instruments used to measure these parameters in a bioreactor.
Explain any one important method for measuring cell mass in a bioreactor.
Draw a neat diagram of a bioreactor with all its components and explain the
various parts of the bioreactor and its functions
Write note on aerobic fermentation process.
Differentiate between on-line and off-line measurements taken in a bioreactor
with examples of each.
Explain the measurement of pH and temperature in a bioreactor.
What are the factors affecting oxygen demand in a bioreactor and graphically

represent the critical oxygen rate.

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