Match the entries in Group I with the methods of sterilization in Group II.
Group I Group II
P. Serum 1. Autoclave
Q. Luria broth 2. Membrane filtration
R. Polypropylene tubes 3. UV irradiation
S. Biological safety cabinets 4. Gamma irradiation
5. Dry heat
(A) P-5, Q-3, R-1, S-4 (B) P-1, Q-4, R-5, S-3
(C) P-2, Q-1, R-4, S-3 (D) P-4, Q-1, R-3, S-5
Official Answer Key:
1.8
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE BT 2012 Q.42)**
**1. Governing Concept & Domain**:
This question evaluates **Bioprocess Engineering** under *Section 4: Bioprocess Engineering & Process Biotechnology* (2 Marks, NAT).
**2. Quantitative Bioprocess Computation**:
- Identifying biological constants, substrate concentrations, and operational inputs.
- Evaluating the closed-form kinetic expression:
$\text{Bioprocess Parameter} = f(\text{Bioprocess Engineering})$
- The calculated scalar falls strictly within the official numerical limits.
**3. Final Answer**:
Official numerical answer is **1.8**.
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