| 1. | Gram negative pathogen causing serious infections in humans |
| 2. | Bio-insecticide |
| 3. | Model organism for studying developmental genetics |
| 4. | Pro-biotic |
| Assertion (A): | Application of genetic engineering in plant and animal breeding confers an important advantage over traditional hybridization. |
| Reason (R): | Unlike traditional hybridisation, genetic engineering ensures inclusion of only desirable genes without introducing undesirable ones. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 3. | (A) is True, (R) is False |
| 4. | (A) is False, (R) is True |
| I: | contain ssRNA as their genetic material. |
| II: | have the presence of reverse transcriptase, an enzyme that transcribes RNA into DNA. |
| Statement I: | RNA interference (RNAi) is a biological process that regulates gene expression. |
| Statement II: | RNAi takes place only in plants as a method of cellular defense. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is incorrect; Statement II is correct |
| 3. | Statement I is correct; Statement II is incorrect |
| 4. | Statement I is incorrect; Statement II is incorrect |
| Assertion (A): | Transgenic mice are being developed for use in testing the safety of oral polio vaccines before they are used on humans |
| Reason (R): | Mice are immune to infection by the polio virus. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True; (R) is False |
| 4. | Both (A) and (R) are False |
| Assertion (A): | Genetically modified golden rice can play an important role in curbing the problem of night blindness in children of poor countries. |
| Reason (R): | Golden rice is enriched in beta carotene, a precursor of vitamin A. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True; (R) is False |
| 4. | Both (A) and (R) are False |
| Assertion (A): | Introduction of functional ADA cDNA (using a retroviral vector) into lymphocytes from patient’s blood is not a permanent cure in ADA deficiency. |
| Reason (R): | Lymphocytes are absent from the blood of ADA deficiency patients. |
| 1. | (A) is True, (R) is True and (R) correctly explains (A). |
| 2. | (A) is True, (R) is True but (R) does not correctly explain (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False, (R) is False. |