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%
From NCERT
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Transgenic animals are the animals that:
| 1. | have had their DNA manipulated to possess and express an extra [foreign] gene. |
| 2. | are genetically modified with the use of foreign genes from a sexually compatible donor organism. |
| 3. | are produced by interspecific hybridisation. |
| 4. | are produced by inbreeding. |
Subtopic: Transgenic Microbes & Animals |
81%
From NCERT
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Consider the given statements regarding the use of transgenic animals:
| I: | Transgenic animals can be specifically designed to allow study of how genes are regulated, and how they affect the normal functions of the body and its development. |
| II: | Transgenic animals cannot be used to serve as models for humans diseases so that investigation of new treatments for diseases is made possible. |
| III: | Transgenic animals can be specifically designed to allow study of complex factors involved in growth such as insulin like growth factor. |
| 1. | Statement I is correct, Statement II is incorrect, Statement III is correct |
| 2. | Statement I is incorrect, Statement II is correct, Statement III is correct |
| 3. | Statement I is correct, Statement II is correct, Statement III is incorrect |
| 4. | Statement I is incorrect, Statement II is incorrect, Statement III is correct |
Subtopic: Transgenic Microbes & Animals |
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): | Transgenic mice are being used to test the safety of polio vaccine. |
| Reason (R): | Monkeys are not reliable to test the safety of polio vaccine. |
| 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: Transgenic Microbes & Animals |
69%
From NCERT
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Subtopic: Transgenic Microbes & Animals |
97%
From NCERT
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Transgenic animals used to test the safety of polio vaccine are:
| 1. | Mice | 2. | Monkeys |
| 3. | Rabbits | 4. | Pigs |
Subtopic: Transgenic Microbes & Animals |
84%
From NCERT
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The transgenic cow, Rosie, produced milk that:
| 1. | Contained human beta lactalbumin |
| 2. | contained interferons to treat viral infections |
| 3. | contained Alpha – 1 antitrypsin |
| 4. | Is protein enriched |
Subtopic: Transgenic Microbes & Animals |
50%
From NCERT
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Alpha-1-antitrypsin was produced in a transgenic sheep, Tracy. This enzyme is used in the treatment of:
| 1. | Emphysema | 2. | Rheumatoid arthritis |
| 3. | Ovarian cancer | 4. | Pancreatitis |
Subtopic: Transgenic Microbes & Animals |
92%
From NCERT
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At present transgenic animals cannot be used for:
| 1. | Harvesting biological products |
| 2. | Testing vaccine safety |
| 3. | Study of human diseases |
| 4. | Xenotransplantation |
Subtopic: Transgenic Microbes & Animals |
83%
From NCERT
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Transgenic mice are being used to test the safety of polio vaccine. They could replace the use of:
| 1. | Monkeys | 2. | Rabbits |
| 3. | Fowl | 4. | Frogs |
Subtopic: Transgenic Microbes & Animals |
90%
From NCERT
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