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Match the antibiotics in Group I with their modes of action in Group II.
Group I Group II P. Chloramphenicol 1. Inhibits protein synth-esis by acting on 30S ribosomal subunit Q. Rifampicin 2. Interferes with DNA replication by inhibiting DNA gyrase R. Tetracycline 3. Inhibits protein synth-esis by acting on 50S ribosomal subunit S. Quinolone 4. Interferes with RNA polymerase activity 5. Inhibits β-lactamase activity
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- P-1, Q-2, R-3, S-5
- P-3, Q-4, R-1, S-3
- P-3, Q-2, R-1, S-4
- P-1, Q-4, R-3, S-2
Correct Option: B
| Group I | Group II |
|---|---|
| P. Chloramphenicol | 3. Inhibits protein synt-hesis by acting on 50S ribosomal subunit |
| Q. Rifampicin | 4. Interferes with RNA polymerase activity |
| R. Tetracycline | 1. Inhibits protein synt-hesis by acting on 30S ribosomal subunit |
| S. Quinolone | 2. Interferes with DNA replication by inhibiting DNA gyrase |
