What is a vaccine:
1. Treated bacteria, virus & protein
2. Treated algae
3. Treated fungi
4. Treated plasmodium
Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to newborn infants because it contains:
| 1. | Immunoglobulin A |
| 2. | Natural killer cells |
| 3. | Monocytes |
| 4. | Macrophages |
| Assertion (A): | Colostrum is important for the immunity of new-borns as it protects them against infections |
| Reason (R): | Colostrum is rich in immunoglobin (IgA) |
| 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, (R) is False |
| 4. | (A) is False, (R) is True |
Which of the following properties of acquired immunity is the basis of vaccination?
| 1. | Specificity | 2. | Diversity |
| 3. | Memory | 4. | Discrimination |
| 1. | Artificially acquired active immunity |
| 2. | Artificially acquired passive immunity |
| 3. | Naturally acquired passive immunity |
| 4. | Specific natural immunity |
| Statement A: | Active immunity is slow in onset and takes time to develop. |
| Statement B: | Active immunity involves the body producing its own antibodies and memory cells in response to antigens. |
| 1. | Both A and B are correct and B explains A |
| 2. | Both A and B are correct but B does not explain A |
| 3. | A is correct but B is incorrect |
| 4. | A is incorrect but B is correct |
| 1. | Weakened germs | 2. | Dead germs |
| 3. | Preformed antibodies | 4. | Wide spectrum antibodies |
| A | B | C | D | |
| 1. | Thyroid | Bone marrow | Liver | Lymph nodes |
| 2. | Thymus | MALT | Spleen | Peyer’s patches |
| 3. | Thymus | Bone marrow | Spleen | Lymph nodes |
| 4. | Thyroid | MALT | Liver | Paneth cells |