| Group 1 | Group 2 |
| P) Oligomycin | (i) Cytochrome bc1 complex |
| (Q) Antimycin A | (ii) Photosystem II |
| (R) 3-(3,4-dichlorophenyl)-1, 1- dimethylurea (DCMU) | (iii)K\(^+\) ionophore |
| (S) Valinomycin | (iv) Fo ATP synthase |
Match List I with List II:

Choose the option with all correct matches.