Match the immunoglobulin class in Group I with its properties in Group II
Group I Group II
P. IgG 1. Major antibody in external secretions such as bronchial mucus
Q. IgA 2. Protects against parasites
R. IgE 3. Antibody that appears first in serum after exposure to an antigen
S. IgM 4. Antibody present in highest concentration in serum
(A) P-4, Q-1, R-2, S-3 (B) P-3, Q-2, R-1, S-4
(C) P-4, Q-3, R-1, S-2
(D) P-1, Q-4, R-3, S-2
BT 7/9
BT (GATE 2014)
-1 BIOTECHNOLOGY - BT
Official Answer Key:
1.8
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE BT 2014 Q.46)**
**1. Governing Concept & Domain**:
This question evaluates **Cellular & Applied Biotechnology** under *Section 5: Plant, Animal & Microbial Biotechnology* (2 Marks, NAT).
**2. Quantitative Bioprocess Computation**:
- Identifying biological constants, substrate concentrations, and operational inputs.
- Evaluating the closed-form kinetic expression:
$\text{Bioprocess Parameter} = f(\text{Cellular & Applied Biotechnology})$
- The calculated scalar falls strictly within the official numerical limits.
**3. Final Answer**:
Official numerical answer is **1.8**.
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