| 1. | Diphtheria | 2. | Measles |
| 3. | Typhoid | 4. | Plague |
| I: | are of two types, where one is responsible for humoral and the other for cell mediated immune response. |
| II: | secrete antibodies into body fluids. |
| I: | ‘memory’ of the immune system. |
| II: | ability to distinguish between self and non-self. |
| I: | Benign tumors normally remain confined to their original location and do not spread to other parts of the body and therefore, cause little damage. |
| II: | The malignant tumors are a mass of proliferating cells called neoplastic or tumor cells and spread to other parts of the body. |
| 1. | LSD | 2. | Cocaine |
| 3. | Atropine | 4. | Paracetamol |
| 1. | Cocaine | 2. | Atropine |
| 3. | Wine | 4. | Nicotine |