Examveda
Examveda

To optimize the bioreactor system, which one of the following conditions is least important for anaerobic fermentation?

A. Culture agitation to maintain oxygen supply

B. Restriction of the entry of contaminating organisms

C. Control of parameters like pH and temperature

D. Maintenance of constant culture volume

Answer: Option A


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Related Questions on Bioprocess Engineering and Process Biotechnology

During cultivation of microorganisms in a fermenter, various parameters are controlled by appropriate sensor (probe). Match each probe in Group I with the appropriate response mechanism in Group II.

Group I (Probe) Group II (Response)
P. Thermistor 1. Activation of acid/alkali pump
Q. Oxygen electrode 2. Activation of vegetable oil pump
R. Metal rod 3. Activation of hot/cold water pump
S. pH electrode 4. Increase/decrease in stirrer motor speed

A. P-2, Q-3, R-1, S-4

B. P-1, Q-2, R-4, S-3

C. P-3, Q-2, R-4, S-1

D. P-3, Q-4, R-2, S-1