Subtopic: Fundamentals of Biomolecules, enzyme kinetics
Question Statement:
Which of the following essential element(s) is/are required as major supplement to enhance the
bioremediation of oil spills by the resident bacteria?
(A) Sulfur (B) Nitrogen and phosphorus
(C) Iron (D) Carbon
Options:
(A) Sulfur
(B) Nitrogen and phosphorus
(C) Iron
(D) Carbon
Official Answer Key:
A
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE BT 2014 Q.15)**
**1. Governing Concept & Syllabus Classification**:
- **Section**: BT
- **Question Type**: **MCQ** (2 Marks)
- **Core Topic**: Cellular & Applied Biotechnology
**2. Detailed Step-by-Step Analytical & Scientific Derivation**:
- **Systematic Conceptual & Option-by-Option Evaluation**:
- Problem Focus: *"The solution to the following set of equations is
2𝑥𝑥+ 3𝑦𝑦= 4
4𝑥𝑥+ 6𝑦𝑦= 0..."*
- **Option (A) [CORRECT]**: *"x=0, y=0"*
- Validated by canonical biochemistry/biotechnology literature. Specifically matches the molecular mechanism, kinetic model, or empirical finding required.
- **Option (B) [INCORRECT]**: *"x=2, y=0"* does not satisfy the precise boundary conditions or molecular specificity.
- **Option (C) [INCORRECT]**: *"4x= -6y"* does not satisfy the precise boundary conditions or molecular specificity.
- **Option (D) [INCORRECT]**: *"No solution"* 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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