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. |
Extra substrate obligation is there along with artificial inoculation. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Synthetic inoculation is a degradation requirement in immobilized cells. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which of the following methods is not used to degrade easily degradable pollutant during immobilization of cells? |
| A. | Adaptation of bacteria |
| B. | Exo and endo enzyme reaction |
| C. | Biofilm development |
| D. | Pasteurization |
| Answer» E. | |
| 4. |
What of the following biological organisms cannot be used to degrade very easily degradable pollutants during algal biomass harvesting and drying? |
| A. | Bacteria |
| B. | Fungi |
| C. | Algae |
| D. | Dioxins |
| Answer» E. | |
| 5. |
Very easily degradable pollutant can be degraded by direct metabolism by algae. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Which the following doesn t come under the category of very easily degradable polymer compounds used in immobilization? |
| A. | Sugar |
| B. | Amino acids |
| C. | Organic acids |
| D. | PCB |
| Answer» E. | |
| 7. |
Which of the following is not a portion of degradability of immobilized cells? |
| A. | Very easily degradable |
| B. | Easily degradable |
| C. | Potentially degradable |
| D. | Very fast degradable |
| Answer» E. | |
| 8. |
Which of the following factors can determine the rate of degradability of cells? |
| A. | Residence time |
| B. | Fermentation time |
| C. | Instability |
| D. | Growth |
| Answer» B. Fermentation time | |
| 9. |
Which of the following factors is not used to determine the response of aquatic environment water and sediment biota to the immobilized cells? |
| A. | Altered growth rate |
| B. | Physiological activity at organism level |
| C. | Fermentation |
| D. | Physiological activity at cellular level |
| Answer» D. Physiological activity at cellular level | |
| 10. |
Which of the following factors of cells doesn t influence their Eco toxicological evaluations? |
| A. | Stability |
| B. | Size |
| C. | Color |
| D. | Texture |
| Answer» D. Texture | |
| 11. |
Which of the following cannot be degraded by algal assemblage? |
| A. | Alcohol |
| B. | Organic pollutants |
| C. | Carbonic acid |
| D. | Water |
| Answer» C. Carbonic acid | |
| 12. |
Which of the following involves encapsulation of cells? |
| A. | Immobilization |
| B. | Enzyme reaction |
| C. | Biofilm development |
| D. | Pasteurization |
| Answer» B. Enzyme reaction | |