Q. No.The processes which includes separation and purification of products are collectively called as
| 1. | Upstreaming process |
| 2. | Downstreaming process |
| 3. | Quality control testing |
| 4. | Clinical trial test |
Subtopic: Bioreactors/Downstream Processing |
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Level 1: 80%+
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What is the term used to describe the series of processes, including separation, purification, formulation, and quality control, that a product undergoes after the biosynthetic stage?
1. Upstream processing
2. Downstream processing
3. Quality assurance
4. Clinical trials
1. Upstream processing
2. Downstream processing
3. Quality assurance
4. Clinical trials
Subtopic: Bioreactors/Downstream Processing |
93%
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Which of the following equipments is essentially required for growing microbes on a large scale for industrial production of enzymes?
1. Bioreactor
2. BOD incubator
3. Sludge digester
4. Industrial oven
Subtopic: Bioreactors/Downstream Processing |
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Stirrer in stirred-tank bioreactor has been designed for
| 1. | Formation of the substrate |
| 2. | Ensuring anaerobic conditions in culture vessel |
| 3. | Addition of preservatives to the product |
| 4. | Increasing availability of oxygen throughout the process |
Subtopic: Bioreactors/Downstream Processing |
91%
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Consider the given two statements:
1. Only Statement I is correct.
2. Only Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
| Statement I: | The most commonly used bioreactors in downstream processing are of stirring type. |
| Statement II: | The stirrer facilitates even mixing and oxygen availability throughout the bioreactor. |
2. Only Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
Subtopic: Bioreactors/Downstream Processing |
92%
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Stirred-tank bioreactors have been designed for
| 1. | addition of preservatives of the product |
| 2. | purification of the product |
| 3. | ensuring anaerobic conditions in the culture vessel |
| 4. | availability of oxygen throughout the process |
Subtopic: Bioreactors/Downstream Processing |
87%
Level 1: 80%+
NEET - 2016
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Which of the following statements is incorrect?
| 1. | Most commonly used bio-reactors are of stirring type. |
| 2. | Bio-reactors are used to produce small scale bacterial cultures. |
| 3. | Bio-reactors have an agitator system, an oxygen delivery system and foam control system. |
| 4. | A bio-reactor provides optimal growth conditions for achieving the desired product. |
Subtopic: Bioreactors/Downstream Processing |
87%
Level 1: 80%+
NEET - 2024
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Besides better aeration and mixing properties, what is another advantage of stirred-tank bioreactors over shake flasks?
| 1. | They provide better control over pH, temperature, and nutrient supply during fermentation. |
| 2. | They are simpler and more cost-effective than shake flasks. |
| 3. | They are only suitable for small-scale culture experiments. |
| 4. | They do not require continuous monitoring or adjustments. |
Subtopic: Bioreactors/Downstream Processing |
87%
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The formulation with suitable preservatives in the case of drugs has to undergo:
| 1. | Thorough clinical trials |
| 2. | Thorough strict separation techniques |
| 3. | Thorough harsh heat shock control |
| 4. | Thorough long restriction digestion |
Subtopic: Bioreactors/Downstream Processing |
86%
Level 1: 80%+
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The main function of the flat-bladed impeller in the bioreactor shown in the figure is to:
1. Control the pH of the culture medium
2. Mix the contents uniformly and maintain oxygen transfer
3. Supply sterile air to the culture broth
4. Break the foam formed during fermentation
1. Control the pH of the culture medium
2. Mix the contents uniformly and maintain oxygen transfer
3. Supply sterile air to the culture broth
4. Break the foam formed during fermentation
Subtopic: Bioreactors/Downstream Processing |
86%
Level 1: 80%+
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