| 1. | Through sharing infected needles as in case of intravenous drug abusers |
| 2. | By sharing clothes between the addicts |
| 3. | Placental transmission from infected mother |
| 4. | Unprotected sexual intercourse with an infected person |
| Statement A: | Nicotine stimulates the cortical region of supra-renal gland to release catecholamines. |
| Statement B: | Adrenaline and steroids are catecholamines that are used for the treatment of allergies. |
| 1. | Both statements (A) and (B) are correct |
| 2. | Both statements (A) and (B) are incorrect |
| 3. | Only statement A is correct |
| 4. | Only statement B is correct |
| Column I | Column II | |
| 1. | Benign tumor | Non-cancerous tumor |
| 2. | Carcinoma | Cancer of epithelial tissues |
| 3. | Lymphoma | Haematopoietic cells tumor |
| 4. | Sarcoma | Cancer of glands (secretory tissues). |