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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. |
Subtopic: Intro to Agri Applications | Transgenic Microbes & Animals | Ethical Issues |
81%
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Increased yield of crop during the green revolution was due to:
| 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 |
Subtopic: Intro to Agri Applications |
82%
From NCERT
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Consider the two statements:
| 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 |
Subtopic: Intro to Agri Applications |
90%
From NCERT
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the most appropriate answer from the options given below :
| 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). |
Subtopic: Intro to Agri Applications |
55%
From NCERT
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All the following are possible today with the use of GM crops except:
| 1. | More tolerance to abiotic stresses |
| 2. | Alternative resources to industries |
| 3. | Increased efficiency of mineral usage by plants |
| 4. | Fixation of atmospheric nitrogen |
Subtopic: Intro to Agri Applications |
76%
From NCERT
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Consider the two statements:
| 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 |
Subtopic: Bt Crops |
51%
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GM crops have been modified with various traits. Golden rice has been developed by the International Rice Research Institute for:
| 1. | Improved shelf life | 2. | Disease resistance |
| 3. | Herbicide resistance | 4. | Improved nutritional value |
Subtopic: Other GM Crops |
92%
From NCERT
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Consider the two statements:
| I: | Use of genetically modified crops can be a possible solution for minimizing the use of chemicals and fertilizers that are detrimental for the environment. |
| II: | Genetically modified crops do not require any fertilizers. |
| 1. | Both I and II are correct and II explains I. |
| 2. | Both I and II are correct but II does not explain I. |
| 3. | I is correct but II is incorrect. |
| 4. | Both I and II are incorrect. |
Subtopic: Other GM Crops |
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Bt cotton is not:
| 1. | A GM plant |
| 2. | Insect resistant |
| 3. | A bacterial gene expressing system |
| 4. | Resistant to all pesticides |
Subtopic: Bt Crops |
78%
From NCERT
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A protoxin is:
| 1. | A primitive toxin | 2. | A denatured toxin |
| 3. | Toxin produced by protozoa | 4. | Inactive toxin |
Subtopic: Bt Crops |
90%
From NCERT
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