MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Technology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Citric acid cycle occurs in _____________ |
| A. | Vacuoles |
| B. | Golgi apparatus |
| C. | Mitochondria |
| D. | Nucleus |
| Answer» D. Nucleus | |
| 2. |
Who discovered the citric acid cycle? |
| A. | Hans Krebs |
| B. | Carl Wilhelm |
| C. | Wehmer |
| D. | Adam |
| Answer» B. Carl Wilhelm | |
| 3. |
Citric acid is used in the manufacture of jams and jellies. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Magnesium hydroxide is used to precipitate calcium citrate. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Citrate is the feedback inhibitor of ____________ |
| A. | Hexokinase |
| B. | Phosphofructokinase |
| C. | Pyruvate dehydrogenase |
| D. | Malate dehydrogenase |
| Answer» C. Pyruvate dehydrogenase | |
| 6. |
Which of the following fruit contain more amount of citric acid? |
| A. | Mango |
| B. | Tomato |
| C. | Orange |
| D. | Coconut |
| Answer» D. Coconut | |
| 7. |
The first product of TCA cycle is ___________ |
| A. | Fumaric acid |
| B. | Oxalic acid |
| C. | Malic acid |
| D. | Citric acid |
| Answer» E. | |
| 8. |
Which of the following organisms is not used for the production of citric acid? |
| A. | Aspergillus wentii |
| B. | Bacillus licheniformis |
| C. | Candida oleophila |
| D. | Saccharomyces cerevisiae |
| Answer» E. | |
| 9. |
Which of the following is the most common method for citric acid production? |
| A. | Solid-state fermentation |
| B. | Submerged fermentation |
| C. | Surface fermentation |
| D. | Surface adhesion fermentation |
| Answer» C. Surface fermentation | |
| 10. |
Which of the following is used in the manufacturing of cheese? |
| A. | Sulphuric acid |
| B. | Amylase |
| C. | Kinase |
| D. | Sodium citrate |
| Answer» E. | |
| 11. |
Who observed citric acid as a by-product of calcium oxalate produced by Penicillium glaucum? |
| A. | Thomas Edison |
| B. | Carl Wilhelm |
| C. | Wehmer |
| D. | Adam |
| Answer» D. Adam | |
| 12. |
Citric acid is a ____________ acid. |
| A. | Monobasic |
| B. | Tribasic |
| C. | Monoprotic |
| D. | Tribasic |
| Answer» E. | |
| 13. |
Who first isolated citric acid? |
| A. | Thomas Edison |
| B. | Carl Wilhelm |
| C. | Charles Darwin |
| D. | Francis Crick |
| Answer» C. Charles Darwin | |