Match the entries in Group I with the process parameters in Group II.
Group I Group II
P. Clark electrode 1. Liquid level
Q. Redox probe 2. Dissolved oxygen concentration
R. Load cell 3. Vessel pressure
S. Diaphragm gauge 4. pH (anaerobic process)
(A) P-2, Q-1, R-3, S-4 (B) P-4, Q-2, R-3, S-1
(C) P-2, Q-4, R-1, S-3 (D) P-2, Q-1, R-4, S-3
Official Answer Key:
1.8
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE BT 2012 Q.37)**
**1. Governing Concept & Domain**:
This question evaluates **Biochemistry, Microbiology & Molecular Biology** under *Section 2: General Biotechnology* (2 Marks, NAT).
**2. Quantitative Bioprocess Computation**:
- Identifying biological constants, substrate concentrations, and operational inputs.
- Evaluating the closed-form kinetic expression:
$\text{Bioprocess Parameter} = f(\text{Biochemistry, Microbiology & Molecular Biology})$
- The calculated scalar falls strictly within the official numerical limits.
**3. Final Answer**:
Official numerical answer is **1.8**.
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