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): | 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 |
1. | Gram negative pathogen causing serious infections in humans |
2. | Bio-insecticide |
3. | Model organism for studying developmental genetics |
4. | Pro-biotic |
Assertion (A): | The milk of Rosie, the first transgenic cow, was nutritionally a more balanced product for human babies than natural cow milk. |
Reason (R): | The milk of Rosie, the first transgenic cow, contained alpha-1-antitrypsin used to treat emphysema. |
1. | Both (A) and (R) are True and (R) correctly explains (A) |
2. | Both (A) and (R) are True and (R) does not correctly explain (A) |
3. | (A) is True, (R) is False |
4. | (A) is False, (R) is False |
1. | Decrease their susceptibility to diseases for research purposes. |
2. | Produce substances that are useful for medical applications. |
3. | Decrease their growth rate to study developmental processes. |
4. | Reproduce through asexual means, increasing population uniformity. |
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 |