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Q. No.Assertion(A): The choice of genes depends upon the crop and targeted pest, as most Bt-toxins are insect-group specific.
Reason(R): The Bt-toxin is coded by gene called 'cry'.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Â Bt Crops |
 77%
Level 2: 60%+
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| Assertion(A): | The recombinant DNA technology have made immense impact in the area of healthcare by enabling mass production of safe and more effective therapeutic drugs. |
| Reason(R): | The recombinant therapeutics do not induce unwanted immunological responses as is common in case of similar products isolated from non-human sources. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Med Applications & Humulin |Â Vaccines |
Level 3: 35%-60%
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| Assertion (A): | At present, about 30 recombinant therapeutics have been approved for human use world-wide. |
| Reason (R): | In India, 12 of these are presently being marketed. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Â Med Applications & Humulin |
 88%
Level 1: 80%+
Hints
| Assertion(A): | ADA-deficiency causes immunodeficiency. |
| Reason(R): | ADA is crucial for immune system to function. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Â Molecular Diagnosis |
 89%
Level 1: 80%+
Hints
| Assertion(A): | 95% of the existing transgenic animals are mice. |
| Reason(R): | They are important live tools for researching human disease, being used to understand gene function in context of disease susceptibility, progression and to determine responses to a therapeutic intervention. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Transgenic Microbes & Animals |
 76%
Level 2: 60%+
Hints
| Assertion(A): | Transgenic animals can be specifically designed to allow the study of how genes are regulated. |
| Reason(R) | Gene regulation can be studied only in the transgenic animals. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Transgenic Microbes & Animals |
 55%
Level 3: 35%-60%
Hints
| Assertion(A): | The transgenic cow, Rosie, could produce human alpha-lactalbumin. |
| Reason(R): | This milk is nutritionally more balanced product for human babies than the baby's mother. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Transgenic Microbes & Animals |
 51%
Level 3: 35%-60%
Hints
| Assertion (A): | Transgenic mice are being developed for use in testing the safety of vaccines before they are used on humans. |
| Reason (R): | Transgenic mice are being used to test the safety of polio vaccine. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Â Transgenic Microbes & Animals |
 69%
Level 2: 60%+
Hints
| Assertion(A): | For toxicity testing, transgenic animals are exposed to the toxic substances and the effect is studied. |
| Reason(R): | Transgenic animals are made to carry genes which make them more sensitive to toxic substances than non transgenic animals. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Transgenic Microbes & Animals |
 80%
Level 1: 80%+
Hints
| Assertion(A): | Most of the industrialised nations are rich financially but poor in biodiversity and traditional knowledge whereas it is opposite in case of developing and underdeveloped countries. |
| Reason(R): | Traditional knowledge related to bio-resources can be exploited to develop modern applications and can also be used to save time, effort and expenditure during their commercialisation. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Ethical Issues |Â Biowar |
 67%
Level 2: 60%+
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