| A. | A mass of proliferating cell |
| B. | Rapid growth of cells |
| C. | Invasion and damage to the surrounding tissue |
| D. | Those confined to original location |
| 1. | A, B, D only | 2. | B, C, D only |
| 3. | A, B only | 4. | A, B, C only |
| A. | Computed tomography and magnetic resonance imaging detect cancers of internal organs. |
| B. | Chemotherapeutic drugs are used to kill non-cancerous cells. |
| C. | \(\alpha\) Interferon activates the cancer patients' immune system and helps in destroying the tumor. |
| D. | Chemotherapeutic drugs are biological response modifiers. |
| E. | In the case of leukemia, blood cell counts decrease. |
| 1. | C and D only | 2. | A and C only |
| 3. | B and D only | 4. | D and E only |
| A. | thymus |
| B. | bone marrow |
| C. | spleen |
| D. | lymph nodes |
| E. | Peyer's patches |
| 1. | Antigen binding site is located at C-terminal region of antibody molecules. |
| 2. | Constant region of heavy and light chains are located at C-terminus of antibody molecules. |
| 3. | Each antibody has two light and two heavy chain. |
| 4. | The heavy and light chains are held together by disulfide bonds. |
| List I | List II | ||
| A. | Common cold | I. | Plasmodium |
| B. | Haemozoin | II. | Typhoid |
| C. | Widal test | III. | Rhinoviruses |
| D. | Allergy | IV. | Dust mites |
| List I | List II | ||
| A. | Cocaine | I. | Effective sedative in surgery |
| B. | Heroin | II. | Cannabis sativa |
| C. | Morphine | III. | Erythroxylum |
| D. | Marijuana | IV. | Papaver somniferum |
| List I | List II | ||
| A. | Typhoid | I. | Fungus |
| B. | Leishmaniasis | II. | Nematode |
| C. | Ringworm | III. | Protozoa |
| D. | Filariasis | IV. | Bacteria |
| Statement I: | Bone marrow is the main lymphoid organ where all blood cells, including lymphocytes, are produced. |
| Statement II: | Both bone marrow and thymus provide micro environments for the development and maturation of T-lymphocytes. |
| 1. | Both Statement I and Statement II are incorrect. |
| 2. | Statement I is correct but Statement II is incorrect. |
| 3. | Statement I is incorrect but Statement II is correct. |
| 4. | Both Statement I and Statement II are correct. |
| Assertion (A): | Some human organs like liver, kidney fail to function normally and transplantation is the only remedy to enable the patient to live a normal life. |
| Reason (R): | Tissue matching and blood group matching are essential before undertaking any transplant and patient has to take immunosuppresant thereafter. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |