MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What does happen to lighter components of solid waste in sea ? |
| A. | It keeps on Floating |
| B. | It Submerges |
| C. | It Dissolves |
| D. | All of above |
| Answer» B. It Submerges | |
| 2. |
Putrescible organic waste are included in |
| A. | Combustible Waste |
| B. | Non Combustible Rubbish |
| C. | Rubbish |
| D. | Garbage |
| Answer» E. | |
| 3. |
Solid waste is also known as: |
| A. | Refused Waste |
| B. | Food Waste |
| C. | Manure Waste |
| D. | Garbage Waste |
| Answer» B. Food Waste | |
| 4. |
Which solid waste disposal method is simple and economical? |
| A. | Landfilling method |
| B. | Incineration method |
| C. | Compositing method |
| D. | Pyrolysis method |
| Answer» B. Incineration method | |
| 5. |
Humans are classified as |
| A. | Manure |
| B. | Carnivores |
| C. | Herbivores |
| D. | Omnivores |
| Answer» E. | |
| 6. |
How much solid waste is produced by USA urban areas per day? |
| A. | 8 lac tons |
| B. | 7 lac tons |
| C. | 9 lac tons |
| D. | 2 lac tons |
| Answer» C. 9 lac tons | |
| 7. |
Solid waste increases with an increase in |
| A. | Road Construction |
| B. | Educational Institutions |
| C. | Urbanization |
| D. | Farms |
| Answer» D. Farms | |
| 8. |
Which of the following waste can be decomposed by bacteria? |
| A. | Radioactive substance |
| B. | Ashes |
| C. | Food waste |
| D. | Rubbish |
| Answer» D. Rubbish | |
| 9. |
______ is the cutting and tearing of municipal solid waste. |
| A. | Land fills |
| B. | Shredding |
| C. | Pulverization |
| D. | Composting |
| Answer» C. Pulverization | |
| 10. |
Which of the following is a biological method of disposal of municipal solid waste? |
| A. | Land fills |
| B. | Shredding |
| C. | Pulverization |
| D. | Composting |
| Answer» E. | |
| 11. |
In compositing, volume of solid waste is |
| A. | Reduced |
| B. | Enhanced |
| C. | Burnt |
| D. | Removed |
| Answer» B. Enhanced | |
| 12. |
The process of burning of municipal solid waste at high temperature is called ____________ |
| A. | Incineration |
| B. | Composting |
| C. | Land filing |
| D. | Shredding |
| Answer» B. Composting | |
| 13. |
Which of the following is not the method of disposal of sewage from septic tank? |
| A. | Upflow anaerobic filter |
| B. | Soil absorption system |
| C. | Vacuum filter |
| D. | Biological filters |
| Answer» D. Biological filters | |
| 14. |
The minimum depth of septic tank as per design consideration is ___________ |
| A. | 1.8m |
| B. | 1m |
| C. | 1.2m |
| D. | 1.5m |
| Answer» D. 1.5m | |
| 15. |
Uncontrolled, dumping is cheapest method of |
| A. | Solid waste |
| B. | Chemical Waste |
| C. | Nuclear Waste |
| D. | Food Waste |
| Answer» B. Chemical Waste | |
| 16. |
Which compositing requires large areas? |
| A. | Manual Compositing |
| B. | Machanical Compositing |
| C. | Open Window Compositing |
| D. | Trenching |
| Answer» B. Machanical Compositing | |
| 17. |
Which solid waste disposal method is suitable to indian conditions? |
| A. | Landfillings |
| B. | Incineration |
| C. | Pulverization |
| D. | Composition |
| Answer» E. | |
| 18. |
In which method of disposal of municipal solid waste, the waste is dumped in the soil? |
| A. | Incineration |
| B. | Composting |
| C. | Land filing |
| D. | Shredding |
| Answer» D. Shredding | |
| 19. |
Which chemical is added to the oxidation pond to avoid bad odor? |
| A. | Calcium chloride |
| B. | Sodium nitrate |
| C. | Potassium chloride |
| D. | Silver nitrate |
| Answer» C. Potassium chloride | |
| 20. |
The waste produced in cotton mills are ___________ |
| A. | Municipal solid waste |
| B. | Non biodegradable waste |
| C. | Hazardous waste |
| D. | Non hazardous waste |
| Answer» E. | |
| 21. |
What is the maximum design flow of sewage in a septic tank? |
| A. | 70 liters per person per day |
| B. | 100 liters per person per day |
| C. | 30 liters per person per day |
| D. | 40 liters per person per day |
| Answer» B. 100 liters per person per day | |
| 22. |
Trenches' are also used for |
| A. | Incineration |
| B. | Landfilling |
| C. | Compositing |
| D. | Pulverization |
| Answer» C. Compositing | |
| 23. |
B in the following figure is represented by ____________ |
| A. | Outlet |
| B. | Sedimentation chamber |
| C. | Gas chamber |
| D. | Digestion chamber |
| Answer» B. Sedimentation chamber | |
| 24. |
Which solid waste can not be used as a manure? |
| A. | Pulverized |
| B. | Incineration |
| C. | Compositing |
| D. | Burnt |
| Answer» B. Incineration | |
| 25. |
Collection' is first fundamental function of |
| A. | Solid waste management |
| B. | Solid waste disposal |
| C. | Environmental Management |
| D. | All of above |
| Answer» B. Solid waste disposal | |
| 26. |
In which compositing method coarse inert matter is firstly removed? |
| A. | Open window Compositing |
| B. | Machanical Compositing |
| C. | Compositing by tranching |
| D. | Pulverization |
| Answer» B. Machanical Compositing | |
| 27. |
Which solid waste method cannot be used commonly? |
| A. | Compositing |
| B. | Landfilling |
| C. | Pulverization |
| D. | Sea Disposal |
| Answer» D. Sea Disposal | |
| 28. |
Which of the following is correct regarding disposal of waste by land filling? |
| A. | Economical method |
| B. | Preferred in low lying areas |
| C. | Foul gases are not produced |
| D. | Separation of different types of waste not required |
| Answer» D. Separation of different types of waste not required | |
| 29. |
Which method is used if suitable dumping areas are not available? |
| A. | Incineration |
| B. | Compositing |
| C. | Pulverization |
| D. | Disposal into the Sea |
| Answer» B. Compositing | |
| 30. |
In land filling method, to get biological degradation, moisture content should be less than |
| A. | 0.8 |
| B. | 0.5 |
| C. | 0.6 |
| D. | 0.2 |
| Answer» D. 0.2 | |
| 31. |
Garbage, rubbish, ashes, residues, and construction waste are included in |
| A. | Food Waste |
| B. | Solid Waste |
| C. | Plant Waste |
| D. | Animal Waste |
| Answer» C. Plant Waste | |
| 32. |
Which of the following is a biodegradable waste? |
| A. | Polythene bags |
| B. | Synthetic fiber |
| C. | Food waste |
| D. | Paper |
| Answer» D. Paper | |
| 33. |
In which method of composting, decomposition of anaerobic waste takes place? |
| A. | Indian method |
| B. | Depression method |
| C. | Bangalore method |
| D. | Trench method |
| Answer» D. Trench method | |
| 34. |
'briquettes' are smoke free, having very less |
| A. | Fumes |
| B. | Ash content |
| C. | Waste material |
| D. | Solid particles |
| Answer» C. Waste material | |
| 35. |
Rubbish, Ashes, construction waste and toxic waste are included in |
| A. | Municipal Waste |
| B. | Industrial Waste |
| C. | Kitchen Waste |
| D. | Hazardous Waste |
| Answer» C. Kitchen Waste | |
| 36. |
'Aquatic' weeds can be utilized and converted into |
| A. | Ethanol |
| B. | Fertilizers |
| C. | Leather |
| D. | Solid waste |
| Answer» C. Leather | |
| 37. |
The minimum design depth of oxidation pond is ___________ |
| A. | 0.3m |
| B. | 0.5m |
| C. | 1m |
| D. | 1.5m |
| Answer» D. 1.5m | |
| 38. |
The concentration of biodegradable organic matter after the septic tank is ___________ |
| A. | 50ppm |
| B. | 100ppm |
| C. | 200ppm |
| D. | 75ppm |
| Answer» D. 75ppm | |
| 39. |
Which of the following is not the land filling method? |
| A. | Bangalore method |
| B. | Area method |
| C. | Depression method |
| D. | Trench method |
| Answer» B. Area method | |
| 40. |
The density of ash produced in the municipal solid waste is ___________ |
| A. | 100 kg/m³ |
| B. | 450 kg/m³ |
| C. | 700 kg/m³ |
| D. | 1000 kg/m³ |
| Answer» D. 1000 kg/m³ | |
| 41. |
The sewage comes in the Imhoff tank through which of the following? |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 42. |
Fly ash produced from a coal thermal power, utilized in |
| A. | Steel Formation |
| B. | Clothing |
| C. | Building bricks |
| D. | Animal Waste |
| Answer» D. Animal Waste | |
| 43. |
Which is third fundamental function of solid waste management? |
| A. | Disposal |
| B. | Collection |
| C. | Processing |
| D. | Compositing |
| Answer» B. Collection | |
| 44. |
In which solid waste disposal method, solid waste is reduced to fine particles in grinding machines? |
| A. | Incineration |
| B. | Pulverization |
| C. | Compositing |
| D. | Landfilling |
| Answer» C. Compositing | |
| 45. |
Waste which arise from household, institutions, markets and other activities is known as |
| A. | Industrial Waste |
| B. | Municipal Waste |
| C. | Hazardous Waste |
| D. | Solid waste |
| Answer» C. Hazardous Waste | |
| 46. |
Which process improves efficiency of solid waste management? |
| A. | Disposal |
| B. | Collection |
| C. | Compositing |
| D. | Processing |
| Answer» E. | |
| 47. |
What are classification of industrial wastes ? |
| A. | Wastewater |
| B. | Medical Waste |
| C. | Municipal Waste |
| D. | All of above |
| Answer» E. | |
| 48. |
Animals skin is used for production of |
| A. | Waste |
| B. | Food |
| C. | Leather |
| D. | Medicines |
| Answer» D. Medicines | |
| 49. |
Which of the following is not the municipal solid waste? |
| A. | Radioactive substance |
| B. | Ashes |
| C. | Food waste |
| D. | Rubbish |
| Answer» B. Ashes | |
| 50. |
______ is a liquid that passes through solid waste and extracts suspended impurities from it. |
| A. | Leachate |
| B. | Sludge |
| C. | Distilled water |
| D. | Municipal waste |
| Answer» B. Sludge | |