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 process of Leaching is basically the removal of soluble salts. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which technique is not used to manage saline aquatic systems? |
| A. | End-of-pipe |
| B. | Subsurface drainage |
| C. | Skimming well technology |
| D. | Leaching |
| Answer» B. Subsurface drainage | |
| 3. |
Which of the following is a method for managing the excess algae in marine ecosystem? |
| A. | Drainage |
| B. | Harmful algal blooms |
| C. | Bio-remediation |
| D. | Bio-degradation |
| Answer» B. Harmful algal blooms | |
| 4. |
Which of the following is the process by which the saline water underlying freshwater rises upward into the freshwater zone? |
| A. | Bio-remediation |
| B. | Bio-degradation |
| C. | Bio-magnification |
| D. | Upconing |
| Answer» E. | |
| 5. |
How does algae reaches the soil surface during dry season? |
| A. | Capillary rise |
| B. | Diffusion |
| C. | Active transport |
| D. | Passive transport |
| Answer» B. Diffusion | |
| 6. |
Arrange these soluble cations (Na, Ca, K, Mg) in ascending order of abundance of soluble cations found in saline water bodies. |
| A. | Na > Mg > Ca > K |
| B. | Mg > Na > Ca > K |
| C. | K > Mg > Ca > Na |
| D. | Na > Mg > K > Ca |
| Answer» B. Mg > Na > Ca > K | |
| 7. |
Which of the following are found in abundance in coastal saline water bodies? |
| A. | Oxygen |
| B. | NaCl |
| C. | Nitrogen |
| D. | Carbon monoxide |
| Answer» C. Nitrogen | |
| 8. |
Which of the following Sea water intrusions consists of a lot of Geo-chemical process and doesn t include microalgae? |
| A. | Inter-aquifer mixing |
| B. | Anthropogenic contamination |
| C. | Increasing dissolved oxygen |
| D. | Mobilization of brines |
| Answer» D. Mobilization of brines | |
| 9. |
Which of the following process would increase the salt content in the soil? |
| A. | Engineered biopiling |
| B. | Soil salinization |
| C. | Land farming |
| D. | Bio-sparging |
| Answer» C. Land farming | |
| 10. |
The production of algae comprises about 30% of the operating costs in the bivalve hatchery. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Micro-algae are an essential food source in rearing which of the following marine molluscs? |
| A. | Zooplankton |
| B. | Shrimp |
| C. | Marine gastropods |
| D. | Bacteria |
| Answer» E. | |