| (P) | Methotrexate | (1) | Mitotic inhibitor |
| (Q) | Cyclophosphamide | (2) | Antimetabolite |
| (R) | Vincristine | (3) | Alkylating agent |
| (S) | Dactinomycin | (4) | Intercalating agent |
| Disease | Diagnostic tests | ||
|---|---|---|---|
| P. | Tuberculosis | (i) | Lepromin test |
| Q. | AIDS | (ii) | ELISA |
| R. | Syphilis | (iii) | Mantoux test |
| S. | Leprosy | (iv) | Kahn's test |