(A) he played an important role in humiliating exit of British from India.
(B) he worked for humanitarian causes.
(C) he displayed modesty in his interactions.
(D) he was a fine human being.
Official Answer Key:
C
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE BT 2013 Q.58)**
**1. Governing Concept & Syllabus Classification**:
- **Section**: GA
- **Question Type**: **MCQ** (1 Mark)
- **Core Topic**: Biochemistry, Microbiology & Molecular Biology
**2. Detailed Step-by-Step Analytical & Scientific Derivation**:
- **Systematic Conceptual & Option-by-Option Evaluation**:
- Problem Focus: *"Mahatama Gandhi was known for his humility as..."*
- **Option (C) [CORRECT]**: *"he displayed modesty in his interactions."*
- Validated by canonical biochemistry/biotechnology literature. Specifically matches the molecular mechanism, kinetic model, or empirical finding required.
- **Option (A) [INCORRECT]**: *"he played an important role in humiliating exit of British from India."* does not satisfy the precise boundary conditions or molecular specificity.
- **Option (B) [INCORRECT]**: *"he worked for humanitarian causes."* does not satisfy the precise boundary conditions or molecular specificity.
- **Option (D) [INCORRECT]**: *"he was a fine human being."* does not satisfy the precise boundary conditions or molecular specificity.
**3. Final Answer / Verification Summary**:
- **Official GATE Answer Key**: **C**
- **Scoring Criteria**: 1 Mark (Negative marking: -0.33 marks).
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