Q. No.The critical research areas of biotechnology include all the following except:
1.
Providing the best catalyst in the form of improved organism usually a microbe or pure enzyme.
2.
Creating optimal conditions through engineering for a catalyst to act.
3.
Downstream processing technologies to purify the protein/organic compound.
4.
Development of new genetically modified microbes that can be used as bio-weapons.
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| I. | Use of improved crop varieties |
| II. | Use of better management practices |
| III. | Use of agrochemicals [fertilisers and pesticides] |
| 1. | Only I | 2. | Only I and III |
| 3. | Only I and II | 4. | I, II and III |
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| Statement I: | Use of genetically modified crops is an important option for increasing food production in the future. |
| Statement II: | Agrochemicals are too expensive for farmers in the developing world. |
| 1. | Statement I is correct and Statement II is incorrect |
| 2. | Both Statement I and Statement II are correct |
| 3. | Both Statement I and Statement II are incorrect |
| 4. | Statement I is incorrect and Statement II is correct |
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| Assertion (A): | Conventional breeding is not the answer if we want to increase yield in the existing crop varieties. |
| Reason (R): | The existing crop varieties have evolved into new species and traditional hybridisation is not possible now. |
| 1. | Both (A) and (R) are False. |
| 2. | Both (A) and (R) are True but (R) does not explain (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are True and (R) explains (A). |
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| 1. | More tolerance to abiotic stresses |
| 2. | Alternative resources to industries |
| 3. | Increased efficiency of mineral usage by plants |
| 4. | Fixation of atmospheric nitrogen |
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| Statement I: | Bt toxin is more environmentally friendly than synthetic pesticides. |
| Statement II: | Expression of Bt toxin gene in plants provide resistance of certain insects. |
| 1. | Statement I is correct and Statement II is incorrect |
| 2. | Both Statement I and Statement II are correct and Statement II explains Statement I |
| 3. | Both Statement I and Statement II are correct but Statement II does not explain Statement I |
| 4. | Statement I is incorrect and Statement II is correct |
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| I: | Any Bt toxin gene isolated from Bacillus thuringiensis can be used to create GM crops resistant to all insects. |
| II: | Bt toxins do not have specificity for any insect groups. |
| 1. | Statement I is correct and Statement II is incorrect. |
| 2. | Both Statement I and Statement II are correct and Statement II explains Statement I. |
| 3. | Both Statement I and Statement II are correct but Statement II does not explain Statement I. |
| 4. | Both Statement I and Statement II are incorrect. |
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| 1. | a nematode, Meloidogyne incognita. |
| 2. | a nematode, Caenorhabditis elegans. |
| 3. | a trematode, Clonorchis sinensis. |
| 4. | a cestode, Taenia sloium. |
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| I: | An infection by viruses having RNA genomes |
| II: | Mobile genetic elements that replicate via an RNA intermediate |
| III: | Integration of phage DNA into the main chromosomal DNA of a eukaryotic cell |
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II and III |
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| Assertion (A): | In most cases, recombinant therapeutics are safer than similar products isolated from non-human sources. |
| Reason (R): | Recombinant therapeutics do not induce unwanted immunological responses. |
| 1. | Both (A) and (R) are true and (R) correctly explains (A). |
| 2. | (A) is true but (R) is false. |
| 3. | Both (A) and (R) are true but (R) does not explain (A). |
| 4. | Both (A) and (R) are false. |
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