GATE BT 2011 • Q50
MCQ • 2 Marks
Section 2: General Biotechnology
Microbial growth kinetics
Subtopic: Fundamentals of Microbial growth kinetics
Question Statement:
What would be the yield Yx/s (Kg biomass/Kg substrate)?
Options:
-
(A) Q.562
-
(B) Q.462
-
(C) Q.362
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(D) Q.162
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE BT 2011 Q.50)**
**1. Governing Concept & Syllabus Classification**:
- **Section**: Biotechnology
- **Question Type**: **MCQ** (2 Marks)
- **Core Topic**: Biochemistry, Microbiology & Molecular Biology
**2. Detailed Step-by-Step Analytical & Scientific Derivation**:
- **Systematic Conceptual & Option-by-Option Evaluation**:
- Problem Focus: *"What would be the yield Yx/s (Kg biomass/Kg substrate)?..."*
- **Option (A) [CORRECT]**: *"0.562"*
- Validated by canonical biochemistry/biotechnology literature. Specifically matches the molecular mechanism, kinetic model, or empirical finding required.
- **Option (B) [INCORRECT]**: *"0.462"* does not satisfy the precise boundary conditions or molecular specificity.
- **Option (C) [INCORRECT]**: *"0.362"* does not satisfy the precise boundary conditions or molecular specificity.
- **Option (D) [INCORRECT]**: *"0.162"* does not satisfy the precise boundary conditions or molecular specificity.
**3. Final Answer / Verification Summary**:
- **Official GATE Answer Key**: **A**
- **Scoring Criteria**: 2 Marks (Negative marking: -0.66 marks).
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