MCQOPTIONS
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MCQOPTIONS
This section includes 16 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. |
Sewage lagoons gives a fruity smell. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Which of the following uses long solids retention times to remove biodegradable organic wastes? |
| A. | Oxidation ditch |
| B. | Pond sludge |
| C. | Activated sludge system |
| D. | Maturation pond |
| Answer» B. Pond sludge | |
| 3. |
Wastewater Stabilization Ponds are treated by natural occurring processes. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the activated sludge system types is not used in slaughter house wastewater treatment? |
| A. | Cascade |
| B. | Single |
| C. | Two stage |
| D. | Parallel |
| Answer» E. | |
| 5. |
The treatment of wastewater by the interaction of sunlight, bacteria, and algae using large, shallow ponds are called as ______ |
| A. | Oxidation ponds |
| B. | Deoxygenation pond |
| C. | Anaerobic ponds |
| D. | Algal pond |
| Answer» B. Deoxygenation pond | |
| 6. |
Which of the following biological method shouldn t be used for BOD load reduction? |
| A. | Oxidation ponds |
| B. | Activated sludge system |
| C. | Anaerobic biological method |
| D. | Chemical precipitation |
| Answer» E. | |
| 7. |
Biological method can also be used for use of water in the irrigation by regenerating the nutrients. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Which of the following methods can be used to reduce the BOD load in slaughter house waste water? |
| A. | Biological |
| B. | Chemical |
| C. | Physical |
| D. | Flocculation |
| Answer» B. Chemical | |
| 9. |
Which of the following organic matter is present in slaughter house waste water? |
| A. | Oil and fats |
| B. | Uranium |
| C. | Radium |
| D. | Chromium |
| Answer» B. Uranium | |
| 10. |
The yellow line constitutes the processing of intestine, stomach and _______ cleaning. |
| A. | Animal Sheds |
| B. | Entrails |
| C. | Fats |
| D. | Slaughter |
| Answer» C. Fats | |
| 11. |
Which of the following physical method is not followed in the primary waste treatment? |
| A. | Rotating screening drums |
| B. | Separators |
| C. | Fine rakes |
| D. | Algal treatment |
| Answer» E. | |
| 12. |
Which the following is screened and removed from the waste water from green line and then fed into main wastewater stream? |
| A. | Large particles |
| B. | Metal pieces |
| C. | Water |
| D. | Intestine contents |
| Answer» B. Metal pieces | |
| 13. |
Which the following is the third division of the slaughterhouse wastes production areas, that includes green line and red line? |
| A. | Yellow line |
| B. | Purple line |
| C. | Blue line |
| D. | Orange line |
| Answer» B. Purple line | |
| 14. |
Which of the following slaughter residues can be used as raw materials in pharmaceutical industry? |
| A. | Fat and bones |
| B. | Meat unfit |
| C. | Animal carcass |
| D. | Feces |
| Answer» B. Meat unfit | |
| 15. |
Local butcher shops constitute the majority of the slaughter wastes. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 16. |
Slaughterhouses and meat processing industry cannot be divided into which of the following category? |
| A. | Slaughterhouses hogs and cattle |
| B. | Slaughterhouses for poultry |
| C. | Meat processing industry |
| D. | Enhanced nitrogen removal |
| Answer» E. | |