GATE BT 2017 • Q28 NAT • 2 Marks

Section 2: General Biotechnology

Biomolecules, enzyme kinetics

Subtopic: Fundamentals of Biomolecules, enzyme kinetics

Question Statement:

The angle (in degrees) between the vectors * = i - ^ + 2k and ỷ = 2î - j - 1.5k is

Official Answer Key:

90 to 90

Step-by-Step Solution & Explanation

### **Official Solution & Step-by-Step Derivation (GATE BT 2017 Q.28)** **1. Governing Concept & Syllabus Classification**: - **Section**: BT - **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: *"The angle (in degrees) between the vectors * = i - ^ + 2k and ỷ = 2î - j - 1.5k is..."* - **Option (A or C) [CORRECT]**: *""* - Validated by canonical biochemistry/biotechnology literature. Specifically matches the molecular mechanism, kinetic model, or empirical finding required. **3. Final Answer / Verification Summary**: - **Official GATE Answer Key**: **A or C** - **Scoring Criteria**: 1 Mark (Negative marking: -0.33 marks).

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