MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Fermentation Technology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The Rf value is the ratio of distance travelled by solvent to the distance travelled by the solute. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Thin Layer Chromatography is similar to Paper Chromatography. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Chromatography is used to separate ____________ |
| A. | Complex mixture compounds |
| B. | Simple mixtures |
| C. | Viscous mixtures |
| D. | Halogens |
| Answer» B. Simple mixtures | |
| 4. |
The HPLC uses the application of ___________ |
| A. | High temperature |
| B. | Low temperature |
| C. | High pressure |
| D. | Low pressure |
| Answer» D. Low pressure | |
| 5. |
Which of the following dye is widely used in dye-ligand chromatography? |
| A. | Methyl blue |
| B. | Cibracron blue |
| C. | Methyl orange |
| D. | Malachite green |
| Answer» C. Methyl orange | |
| 6. |
Immunoaffinity chromatography is used for the purification of ____________ |
| A. | Lipoproteins |
| B. | Interferons |
| C. | Antibodies |
| D. | Carbohydrates |
| Answer» D. Carbohydrates | |
| 7. |
Which of the following is used to separate molecules based on affinity? |
| A. | Column chromatography |
| B. | Ion exchange chromatography |
| C. | Thin layer chromatography |
| D. | Affinity chromatography |
| Answer» E. | |
| 8. |
Which of the following stationary phase is not used in gel filtration chromatography? |
| A. | Sephadex |
| B. | Sephacryl |
| C. | Bio-Gel |
| D. | Resin beads |
| Answer» E. | |
| 9. |
Which of the following is not a gel filtration chromatography? |
| A. | Molecular sieve |
| B. | Gel permeation |
| C. | Size exclusion |
| D. | Gel residue |
| Answer» E. | |
| 10. |
The charged molecules can be separated by __________ |
| A. | Column chromatography |
| B. | Ion exchange chromatography |
| C. | Thin layer chromatography |
| D. | Affinity chromatography |
| Answer» C. Thin layer chromatography | |
| 11. |
Which of the following is used to pack columns in adsorption chromatography? |
| A. | Carbon |
| B. | Silica gel |
| C. | Potassium hydroxide |
| D. | Aluminium oxide |
| Answer» D. Aluminium oxide | |
| 12. |
Who employed the term Chromatography ? |
| A. | Tsvet |
| B. | Archer |
| C. | Richard |
| D. | Erika |
| Answer» B. Archer | |
| 13. |
Which of the following is used in the precipitation of dextrans? |
| A. | Methanol |
| B. | PEG |
| C. | Ammonium sulphate |
| D. | Sodium sulphate |
| Answer» B. PEG | |
| 14. |
Which of the following is not a stage of product recovery? |
| A. | Removal of solids |
| B. | Isolation of organism |
| C. | Purification and concentration |
| D. | Cell disruption |
| Answer» C. Purification and concentration | |
| 15. |
Which of the following is not a criterion for the choice of the recovery process? |
| A. | Location of the product |
| B. | Price of the product |
| C. | Use of the product |
| D. | Source of organism |
| Answer» E. | |