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Biotechnology Engineering · Q3

Bioprocess Engineering and Process Biotechnology

Engineering and GATE · Biotechnology Engineering · question 3

Q3

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

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
Answer

Answer: Option D

Solution

Answer: Option D
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