MCQOPTIONS
Saved Bookmarks
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Technology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following does not require the use of cyanidase or cyanide hydratase? |
| A. | Remove cyanide from industrial waste |
| B. | Detoxification of feeds |
| C. | Cheese making |
| D. | Detoxification of foodstuffs |
| Answer» D. Detoxification of foodstuffs | |
| 2. |
What does ‘Z’ represent in the following reaction?HCN + H2O \(\underset{Z}{\rightarrow}\) HCONH2 |
| A. | Raffinase |
| B. | Cyanide hydratase |
| C. | Cyanidase |
| D. | Lactase |
| Answer» C. Cyanidase | |
| 3. |
What does ‘Y’ represent in the following reaction?HCN + 2H2O \(\underset{Y}{\rightarrow}\) HCOO– + NH4+ |
| A. | Cyanidase |
| B. | L-aspartic acid |
| C. | Penicillin |
| D. | Nitrilase |
| Answer» B. L-aspartic acid | |
| 4. |
Immobilized Rhodococcus is used at 10˚C and pH 8.0-8.5 in a semi-batchwise process with low acrylonitrile concentration to produce __________ |
| A. | L-aspartic acid |
| B. | Ampicillin |
| C. | Acrylamide |
| D. | Aminoacids |
| Answer» D. Aminoacids | |
| 5. |
Immobilized ___________ is prepared by entrapping the intact Rhodococcus cells in a cross-linked polyacrylamide/dimethylaminoethylmethacrylate gel. |
| A. | Raffinase |
| B. | Nitrilase |
| C. | Penicillin amidases |
| D. | Aminoacyclase |
| Answer» C. Penicillin amidases | |
| 6. |
Nitrilase is obtained from __________ |
| A. | Rhodococcus |
| B. | Mortierella vinacea |
| C. | Escherichia coli |
| D. | Yeast |
| Answer» B. Mortierella vinacea | |
| 7. |
Immobilized ____________ is used in the production of acrylamide. |
| A. | aspartase |
| B. | raffinase |
| C. | nitrilase |
| D. | penicillin amidases |
| Answer» D. penicillin amidases | |
| 8. |
What does ‘X’ represent in the following reaction?Acrylonitrile + water \(\underset{Cu}{\rightarrow}\) X |
| A. | L-aspartic acid |
| B. | Ampicillin |
| C. | Acrylamide |
| D. | Penicillin |
| Answer» D. Penicillin | |
| 9. |
Copper acts as a good catalyst in production of acrylamide. |
| A. | True |
| B. | False |
| Answer» C. | |