MCQOPTIONS
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MCQOPTIONS
This section includes 11 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 decomposition of the organic compounds leads to conversion of released minerals into usable biomass. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following techniques is environment friendly and cost effective? |
| A. | Physical |
| B. | Chemical |
| C. | Biological |
| D. | Combination of physical and chemical |
| Answer» D. Combination of physical and chemical | |
| 3. |
The secondary pollution is caused due physical and chemical purification techniques. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following is not a result of the transformed primary productivity of water bodies? |
| A. | Algal blooms |
| B. | Adverse health effects |
| C. | Reduction in water quality |
| D. | Increase in water quality |
| Answer» E. | |
| 5. |
The variety of life forms gets affected due to untreated waste water. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
What happens when the untreated water gets into the surface water which causes deterioration of water quality? |
| A. | Volume |
| B. | Biological characteristics |
| C. | Temperature |
| D. | Lipophilicity |
| Answer» C. Temperature | |
| 7. |
Water parameters change after being used in various industries, which of the following parameters is not altered in the end? |
| A. | Physical |
| B. | Chemical |
| C. | pH |
| D. | Volume |
| Answer» E. | |
| 8. |
Which of the following organisms is not used in photo bioreactor? |
| A. | Mosses |
| B. | Microalgae |
| C. | Purple bacteria |
| D. | <i>E. coli</i> |
| Answer» E. | |
| 9. |
How does the oil from the algal biomass is removed? |
| A. | Solvent extraction |
| B. | Water extraction |
| C. | Gel extraction |
| D. | Sieving |
| Answer» B. Water extraction | |
| 10. |
Which of the following is an important step before further processing of the algal biomass grown in a photo bioreactor? |
| A. | Harvesting |
| B. | Centrifugation |
| C. | pH change |
| D. | Volume change |
| Answer» B. Centrifugation | |
| 11. |
Which of the following can utilize the light source to promote growth of phototrophic microorganisms? |
| A. | Algal blooms |
| B. | Photo bioreactor |
| C. | Stir tank bioreactor |
| D. | Zooplankton |
| Answer» C. Stir tank bioreactor | |