MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Science knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is not the municipal solid waste? |
| A. | Radioactive substance |
| B. | Ashes |
| C. | Food waste |
| D. | Rubbish |
| Answer» B. Ashes | |
| 2. |
B in the above figure is represented by |
| A. | Outlet |
| B. | Sedimentation chamber |
| C. | Gas chamber |
| D. | Digestion chamber |
| Answer» B. Sedimentation chamber | |
| 3. |
Which of the following is called as scum chamber? |
| A. | Settling chamber |
| B. | Sedimentation chamber |
| C. | Gas chamber |
| D. | Digestion chamber |
| Answer» D. Digestion chamber | |
| 4. |
Which of the following waste can be decomposed by bacteria? |
| A. | Radioactive substance |
| B. | Ashes |
| C. | Food waste |
| D. | Rubbish |
| Answer» D. Rubbish | |
| 5. |
State whether the following statement is true or false.Oxidation pond is ineffective in removing pathogenic bacteria. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
______ is a liquid that passes through solid waste and extract suspended impurities from it. |
| A. | Leachate |
| B. | Sludge |
| C. | Distilled water |
| D. | Municipal waste |
| Answer» B. Sludge | |
| 7. |
______ is the cutting and tearing of municipal solid waste. |
| A. | Land fills |
| B. | Shredding |
| C. | Pulverization |
| D. | Composting |
| Answer» C. Pulverization | |
| 8. |
The gas chamber in the above figure is represented by |
| A. | A |
| B. | E |
| C. | B |
| D. | C |
| Answer» C. B | |
| 9. |
The detention period of the sedimentation chamber of an Imhoff tank is |
| A. | 30 seconds |
| B. | 30 minute |
| C. | 1 hour |
| D. | 2 hour |
| Answer» E. | |