MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Biotechnology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The residence time of easily degradable pollutants in the environment ranges from ___________ |
| A. | 10-14 days |
| B. | 0-05 days |
| C. | 0-06 days |
| D. | 50 days |
| Answer» B. 0-05 days | |
| 2. |
Additional substrate requirement is there along with artificial inoculation to degrade very slowly degradable pollutants. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Artificial inoculation is a degradation requirement in potentially degradable pollutants. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following methods is not used to degrade easily degradable pollutant? |
| A. | Adaptation of bacteria |
| B. | Exo and endo enzyme reaction |
| C. | Biofilm development |
| D. | Pasteurization |
| Answer» E. | |
| 5. |
What of the following biological organisms cannot be used to degrade very easily degradable pollutants? |
| A. | Bacteria |
| B. | Fungi |
| C. | Algae |
| D. | Dioxins |
| Answer» E. | |
| 6. |
Very easily degradable pollutant can be degraded by direct metabolism by bacteria. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Which the following doesn t come under the category of very easily degradable compounds? |
| A. | Sugar |
| B. | Amino acids |
| C. | Organic acids |
| D. | PCB |
| Answer» E. | |
| 8. |
Which of the following is not a subdivision of degradability of pollutants? |
| A. | Very easily degradable |
| B. | Easily degradable |
| C. | Potentially degradable |
| D. | Very fast degradable |
| Answer» E. | |
| 9. |
The rate of degradability of pollutants is determined by its stability and ___________ |
| A. | residence time |
| B. | fermentation time |
| C. | instability |
| D. | growth |
| Answer» B. fermentation time | |
| 10. |
Which of the following factors is not used to determine the response of aquatic environment water and sediment biota to pollutants? |
| A. | Altered growth rate |
| B. | Fermentation |
| C. | Physiological activity at cellular level |
| D. | Physiological activity at organism level |
| Answer» C. Physiological activity at cellular level | |
| 11. |
Which the following factors of pollutants doesn t influence their Eco toxicological evaluations? |
| A. | Stability |
| B. | Size |
| C. | Color |
| D. | Texture |
| Answer» B. Size | |
| 12. |
Bacterial assemblage can help in the degradation of __________ |
| A. | alcohol |
| B. | carbonic acid |
| C. | water |
| D. | organic pollutants |
| Answer» E. | |