Match the compounds in Group I with the correct entries in Group II
Group I
Group II
P) Cyanide
1) K' ionophore
Q) Antimycin A
2) Electron transfer from cytochrome b to cytochrome c
R) Valinomycin
3) Fi subunit of ATP synthase
S) Aurovertin
5) Adenine nucleotide translocase
4) Cytochrome oxidase
Options:
(A) P-5, Q-2, R-3, S-1
(B) P-5, Q-2, R-1, S-3
(C) P-4, Q-2, R-1, S-3
(D) P-4, Q-5, R-3, S-1
Official Answer Key:
C
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE BT 2015 Q.38)**
**1. Governing Concept & Syllabus Classification**:
- **Section**: BT
- **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: *"Match the compounds in Group I with the correct entries in Group II
Group I
Group II
P) Cyanide
1) K' ionophore
Q) Antimycin A
2) Electron transfer from cytochrome b to cytochrome c
R) Valinomycin
3) Fi subunit of ATP sy..."*
- **Option (C) [CORRECT]**: *"P-4, Q-2, R-1, S-3"*
- Validated by canonical biochemistry/biotechnology literature. Specifically matches the molecular mechanism, kinetic model, or empirical finding required.
- **Option (A) [INCORRECT]**: *"P-5, Q-2, R-3, S-1"* does not satisfy the precise boundary conditions or molecular specificity.
- **Option (B) [INCORRECT]**: *"P-5, Q-2, R-1, S-3"* does not satisfy the precise boundary conditions or molecular specificity.
- **Option (D) [INCORRECT]**: *"P-4, Q-5, R-3, S-1
Options :
1.
2. * B
3. 9 C
4. * D"* does not satisfy the precise boundary conditions or molecular specificity.
**3. Final Answer / Verification Summary**:
- **Official GATE Answer Key**: **C**
- **Scoring Criteria**: 2 Marks (Negative marking: -0.66 marks).
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