| List-I | List-II | ||
| A. | Malignant tumors | I. | Destroy tumors |
| B. | MALT | II. | AIDS |
| C. | NACO | III. | Metastasis |
| D. | α - Interferons | IV. | Lymphoid tissue |
| 1. | A-III, B-IV, C-II, D-I | 2. | A-IV, B-III, C-II, D-I |
| 3. | A-III,B-IV ,C-I, D-II | 4. | A-III, B-I,C-IV ,D-II |
Which one of the following is not a property of cancerous cells, whereas the remaining three are?
| 1. | They compete with normal cells for vital nutrients |
| 2. | They do not remain confined in the area of formation |
| 3. | They divide in an uncontrolled manner |
| 4. | They show contact inhibition |