McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Agriculture (BSc agri) .
Chapters
| 1. |
The main product of glycolysis under aerobic conditions is |
| A. | Pyruvate |
| B. | Lactate |
| C. | None of these |
| D. | Both a and b |
| Answer» A. Pyruvate | |
| 2. |
The protein moiety of an enzyme is known as |
| A. | Holo enzyme |
| B. | Apo enzyme |
| C. | Co enzyme |
| D. | Enzyme |
| Answer» B. Apo enzyme | |
| 3. |
Yeast extract is an excellent source of |
| A. | A Vitamin |
| B. | Proteins |
| C. | B Vitamin |
| D. | Carbohydrates |
| Answer» C. B Vitamin | |
| 4. |
Example of anaerobic medium |
| A. | Wilson blair medium |
| B. | Mac conkey broth |
| C. | Robertson’s cooked meat medium |
| D. | EMB agar |
| Answer» C. Robertson’s cooked meat medium | |
| 5. |
Biological Oxygen Demand (BOD) is a measure of: |
| A. | Industrial wastes poured into water bodies |
| B. | Extent to which water is polluted with organic compounds |
| C. | Amount of carbon monoxide inseparably combined with haemoglobin |
| D. | Amount of oxygen needed by green plants during night |
| Answer» A. Industrial wastes poured into water bodies | |
| 6. |
An example of competitive inhibition of an enzyme is the inhibition of |
| A. | Succinic dehydrogenase by malonic acid |
| B. | Cytochrome oxidase by cyanide |
| C. | Hexokinase by glucose-6-phosphate |
| D. | Carbonic anhydrase by carbon dioxide |
| Answer» A. Succinic dehydrogenase by malonic acid | |
| 7. |
The following organisms have been proposed as sources of single cell protein |
| A. | Bacteria |
| B. | Yeasts |
| C. | Algae |
| D. | All the three |
| Answer» D. All the three | |
| 8. |
Nitrites are oxidized to nitrates by a microorganism |
| A. | Nitrosomona |
| B. | Nitrosococcus |
| C. | Nitrobacter |
| D. | Azatobacter |
| Answer» C. Nitrobacter | |
| 9. |
The major constituents in agar are |
| A. | Fat |
| B. | Aminoacids |
| C. | Polysaccharides |
| D. | Polypeptides |
| Answer» C. Polysaccharides | |
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