- 1(current)
Q. No.Consider the two statements:
| Assertion (A): | A continuous culture is likely to produce more biomass in industrial production of recombinant products |
| Reason (R): | In continuous culture, the microbes are continuously kept in their log phase of growth. |
| 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 |
Subtopic: Bioreactors/Downstream Processing |
89%
From NCERT
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The bioreactor shown in the diagram is:
| 1. | Sparged stirred tank type | 2. | Airlift type |
| 3. | Simple stirred tank type | 4. | Fluidized bed type |
Subtopic: Bioreactors/Downstream Processing |
74%
From NCERT
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Consider the given two statements:
| Assertion (A): | The most commonly used bioreactors for biosynthesis are of stirring type. |
| Reason (R): | A bioreactor provides the optimal conditions for achieving the desired product by providing optimum growth conditions. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | (A) is True; (R) is False |
| 3. | (A) is False; (R) is False |
| 4. | Both (A) and (R) are True but (R) does not correctly explain (A). |
Subtopic: Bioreactors/Downstream Processing |
55%
From NCERT
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How many of the given statements are correct?
1. 0
2. 1
3. 2
4. 3
| I: | Bioreactors can be thought of as vessels in which raw materials are biologically converted into specific products, individual enzymes, etc., using microbial plant, animal or human cells. |
| II: | A bioreactor provides the optimal conditions for achieving the desired product by providing optimum growth conditions (temperature, pH, substrate, salts, vitamins, oxygen). |
| III: | The most commonly used bioreactors are of stirring type. |
2. 1
3. 2
4. 3
Subtopic: Bioreactors/Downstream Processing |
80%
From NCERT
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In a stirred-tank reactor, the stirrer facilitates:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | even mixing of nutrients in the medium |
| II: | oxygen availability throughout the bioreactor |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Bioreactors/Downstream Processing |
85%
From NCERT
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The downstream processing stage of rDNA does not involve:
| 1. | Biosynthesis | 2. | Separation |
| 3. | Purification | 4. | Preservation |
Subtopic: Bioreactors/Downstream Processing |
78%
From NCERT
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In the processes of Recombinant DNA Technology, downstream processing:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | occurs after the completion of the biosynthetic stage. |
| II: | involves processes that make products ready for marketing as a finished product. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Bioreactors/Downstream Processing |
92%
From NCERT
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Consider the given two statements:
| Assertion (A): | Downstream processing is vital in biotechnology for the purification of products. |
| Reason (R): | It ensures that the products are of high purity and quality, suitable for industrial and clinical use. |
| 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. | (A) is False but (R) is True |
Subtopic: Bioreactors/Downstream Processing |
96%
From NCERT
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- 1(current)
Q. No.
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