| A: | IgA class of antibodies are present in colostrum |
| B: | IgA class of antibodies can cross placenta |
| I: | biopsy |
| II: | histopathological studies |
| 1. | retrovirus which has an envelope enclosing the DNA genome |
| 2. | retrovirus which has an envelope enclosing the RNA genome |
| 3. | retrovirus which lacks an envelope |
| 4. | reovirus which lacks an envelope |
| Assertion (A): | The risk of getting into drug/alcohol abuse is higher in adolescence. |
| Reason (R): | The period between 12-18 years of age may be thought of as adolescence period. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | (A) is True; (R) is False |
| 3. | (A) is False; (R) is True |
| 4. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| Assertion (A): | Morphine should not be routinely used in patients with mild to moderate pain. |
| Reason (R): | Morphine increases sensitivity to pain. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | (A) is True; (R) is False |
| 3. | (A) is False; (R) is True |
| 4. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| Assertion (A): | Cocaine has a potent stimulating action on central nervous system, producing a sense of euphoria and increased energy. |
| Reason (R): | Cocaine interferes with the transport of the neuro-transmitter dopamine. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | (A) is True; (R) is False |
| 3. | (A) is False; (R) is True |
| 4. | Both (A) and (R) are True but (R) does not correctly explain (A). |