MCQOPTIONS
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MCQOPTIONS
This section includes 169 Mcqs, each offering curated multiple-choice questions to sharpen your Environment Management knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is called for the process of burning municipal solid waste in a properly designed furnace under suitable temperature and operating conditions? |
| A. | Landfill |
| B. | Recycling |
| C. | Vermicomposting |
| D. | Incineration |
| Answer» E. | |
| 2. |
How does organic material in the buried solid waste will decompose? |
| A. | By the action of oxidation |
| B. | By the action of microorganisms |
| C. | By the flow of water |
| D. | By the soil particles |
| Answer» C. By the flow of water | |
| 3. |
How many key characteristics of a municipal sanitary landfill are there? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» D. Four | |
| 4. |
Why plastics are difficult to recycle? |
| A. | Because it is very hard material |
| B. | Because it is very adhesive in its nature |
| C. | Because of different types of polymer resins |
| D. | Because of different sizes of plastic |
| Answer» D. Because of different sizes of plastic | |
| 5. |
The term ‘Municipal Solid Waste’ is used to describe which kind of solid waste? |
| A. | Hazardous |
| B. | Toxic |
| C. | Non hazardous |
| D. | Non toxic |
| Answer» B. Toxic | |
| 6. |
As per CPCB, how much solid waste is generated per capita per day in large cities? |
| A. | 0.1 kg |
| B. | 0.5 kg |
| C. | 0.3 kg to 0.4 kg |
| D. | 2.8 kg |
| Answer» C. 0.3 kg to 0.4 kg | |
| 7. |
For estimating the bulk density of Municipal Solid Waste compost, the compost sample should be: |
| A. | dried in a hot air oven at 70°C for 24 hours |
| B. | dried in a hot air oven at 70°C for 12 hours |
| C. | dried in a hot air oven at 103°C for 24 hours |
| D. | dried in a hot air oven at 103°C for 12 hours |
| Answer» B. dried in a hot air oven at 70°C for 12 hours | |
| 8. |
A sludge had 100 m3 volume when its moisture content was 95%. What would be its volume if its moisture content changed to 90%? |
| A. | 200 m3 |
| B. | 50 m3 |
| C. | 94.7 m3 |
| D. | 105.5 m3 |
| Answer» C. 94.7 m3 | |
| 9. |
______is an instrument that is used to detect the presence of specific volatile organic compounds, such as gasoline, and methane in a landfill, through the use of shallow boreholes. |
| A. | electrical resistivity meter |
| B. | ground probing radar |
| C. | geo magnetics |
| D. | photoionisation meter |
| Answer» E. | |
| 10. |
Garbage is a |
| A. | Dry waste |
| B. | Semi-liquid waste |
| C. | Liquid waste |
| D. | None of these |
| Answer» B. Semi-liquid waste | |
| 11. |
A coastal city produces municipal solid waste (MSW) with high moisture content, high organic materials, low calorific value and low inorganic materials. The most effective and sustainable option for MSW management in that city is |
| A. | Composting |
| B. | Dumping in sea |
| C. | Incineration |
| D. | Landfill |
| Answer» B. Dumping in sea | |
| 12. |
Before establishing any landfill site, baseline data of ground water quality in the area shall be collected and kept in record for future reference. The ground water quality within ____________ of the periphery of landfill site shall be periodically monitored covering different seasons in a year |
| A. | 50 meters |
| B. | 100 meters |
| C. | 500 meters |
| D. | 1000 meters |
| Answer» B. 100 meters | |
| 13. |
_____ refuse include dry animal & vegetable refuse. |
| A. | Mineral |
| B. | Non-combustible |
| C. | Inorganic |
| D. | Organic |
| Answer» E. | |
| 14. |
Consider the following statements regarding excreta disposal without water carriage system:1. Pit-Privy is a pit in the ground with the toilet seat located directly over it.2. Bore-Hole Latrines do not cause nuisance due to flies and odour.3. Aqua-Privy works on the same principle as a septic tank.4. In the context of a Bore-Hole Latrine, a pit of about 30 cm to 40 cm diameter is dug to a depth of 4 m to 8 m.Which of the above statements are correct? |
| A. | 1, 2 and 3 only |
| B. | 2 and 4 only |
| C. | 1, 3 and 4 only |
| D. | 1, 2, 3 and 4 |
| Answer» E. | |
| 15. |
As per the Solid Waste Management Rules, 2016, the landfill site shall be(i) 100 meter away from river.(ii) 200 meter away from a pond.(iii) 200 meter away from Highways, Habitations, Public Parks and water supply wells.(iv) 20 km away from Airports or Airbase. |
| A. | (i) and (ii) |
| B. | (i) and (iii) |
| C. | (i), (ii) and (iii) |
| D. | (i), (ii), (iii) and (iv) |
| Answer» E. | |
| 16. |
Determine the correctness or otherwise of the following Assertion [a] and the Reason [r].Assertion [a]: One of the best ways to reduce the amount of solid wastes is to reduce the consumption of raw materials.Reason [r]: Solid wastes are seldom generated when raw materials are converted to goods for consumpton |
| A. | Both [a] and [r] are false |
| B. | Both [a] and [r] are true and [r] is the correct reason for [a] |
| C. | Both [a] and [r] are true but [r] is not the correct reason for [a] |
| D. | [a] is true but [r] is false |
| Answer» E. | |
| 17. |
Following is not recommended for management of plastic waste |
| A. | Autoclave |
| B. | Deep burial |
| C. | Incineration |
| D. | Hydroclave |
| Answer» D. Hydroclave | |
| 18. |
An engineered facility for the disposal of municipal solid waste is called: |
| A. | Septic tank |
| B. | Sanitary landfills |
| C. | Dug wells |
| D. | Tandom landfills |
| Answer» C. Dug wells | |
| 19. |
Consider the following properties of fluorine:1. It is a member of the halogen family.2. It is a greenish yellow diatomic gas.3. Chlorine, iodine, bromine and Helium are members of the halogen family.4. Even fireproof asbestos burns in the ambience of fluorine.Which of the above are correct? |
| A. | 1, 2 and 3 only |
| B. | 3 and 4 only |
| C. | 1, 2 and 4 only |
| D. | 1, 2, 3 and 4 |
| Answer» D. 1, 2, 3 and 4 | |
| 20. |
In order to prevent pollution from landfill operation which of the following provisions are supposed to be made?(i) The storm water drain shall be designed and constructed in such a way that the surface runoff water is diverted from the landfilling site and leachates from solid waste locations do not get mixed with the surface runoff water(ii) Non-permeable lining system should be provided at the base and walls of waste disposal area.(iii) Provisions for management of leachates including its collection and treatment shall be made. |
| A. | Only (i) |
| B. | Only (ii) |
| C. | (i) and (ii) |
| D. | (i), (ii) and (iii) |
| Answer» E. | |
| 21. |
In solid waste management, waste utilization is achieved by |
| A. | Recover, reclamation of reproduce |
| B. | Reuse, Reclamation and Recycling |
| C. | Recover, Recycling and Reproduce |
| D. | Reuse, Reproduce and Recycling |
| Answer» D. Reuse, Reproduce and Recycling | |
| 22. |
Which solid waste disposal mehod is cheaper and simpler? |
| A. | Pulverization |
| B. | Compositing |
| C. | Sanitary Landfilling |
| D. | Incineration |
| Answer» D. Incineration | |
| 23. |
Blood produced in 'slaugterhouses' is used in |
| A. | Human Food Application |
| B. | Phermacautical companies |
| C. | Sausages |
| D. | All of above |
| Answer» E. | |
| 24. |
Which method of solid waste disposal is known as hygienic method? |
| A. | Incineration |
| B. | Landfilling |
| C. | Pulverization |
| D. | Composition |
| Answer» E. | |
| 25. |
What causes bacillary, dysentry and diarrhoea in humans ? |
| A. | Bacteria |
| B. | Virus |
| C. | Food and Water contamination |
| D. | Amoeba |
| Answer» D. Amoeba | |
| 26. |
Sulphur loving bacteria consumes 'sulphates' from the |
| A. | Agricultural waste |
| B. | Food Waste |
| C. | Tyre Wastes |
| D. | Cellulose Waste |
| Answer» D. Cellulose Waste | |
| 27. |
What tecnique is used for recycling food scraps ? |
| A. | Pulverization |
| B. | Worm compositing |
| C. | Landfill |
| D. | Incinertion |
| Answer» C. Landfill | |
| 28. |
Machanical compositing device stabilize solid waste in |
| A. | 3-6 days |
| B. | 8-9 days |
| C. | 6 days |
| D. | 9 days |
| Answer» B. 8-9 days | |
| 29. |
What is formed from cellulose waste? |
| A. | Protein |
| B. | Calcium |
| C. | Phosphorous |
| D. | Nitrates |
| Answer» B. Calcium | |
| 30. |
Which type of compositing requires less land area? |
| A. | Manual Compositing |
| B. | Machanical Compositing |
| C. | Open Window Compositing |
| D. | Sea Disposal |
| Answer» C. Open Window Compositing | |
| 31. |
In pulverization, volume and physical characteristics of solid waste are |
| A. | Not Changed |
| B. | Changed |
| C. | Remain constant |
| D. | unstable |
| Answer» C. Remain constant | |
| 32. |
Solid waste may choke drains and gully pits, resulting in |
| A. | Sedimentation |
| B. | Water logging |
| C. | Soil erosion |
| D. | All of above |
| Answer» C. Soil erosion | |
| 33. |
Noxious fume pollutes air due to burning of: |
| A. | Food Waste |
| B. | Waste products |
| C. | Animal Manure |
| D. | Plants Waste |
| Answer» C. Animal Manure | |
| 34. |
How many categories are there in solid waste? |
| A. | Two |
| B. | Three |
| C. | Five |
| D. | Four |
| Answer» C. Five | |
| 35. |
General source of municipal waste are residential, commercial and |
| A. | Manure |
| B. | Kitchen Waste |
| C. | Open area waste |
| D. | Farms |
| Answer» D. Farms | |
| 36. |
In recyclable pakaging system, containers are used to collect storage of waste, bringing up to disposal site, unloading and returning to original location, known as |
| A. | Stationary Container System |
| B. | Hauled Container System |
| C. | Colloidal Solids |
| D. | Collection System |
| Answer» C. Colloidal Solids | |
| 37. |
Which method of solid waste disposal is not being successful in India? |
| A. | Landfillings |
| B. | Compositing |
| C. | Sea Disposal |
| D. | Pulverization |
| Answer» B. Compositing | |
| 38. |
In which type of compositing manure takes 4 to 6 weeks? |
| A. | Machanical Compositing |
| B. | Open window composiing |
| C. | Worm Compositing |
| D. | Compositing by trenching |
| Answer» C. Worm Compositing | |
| 39. |
Industrial, nuclear, hospital and research institution are sources of |
| A. | Hazardous Waste |
| B. | Industrial Waste |
| C. | Municipal Waste |
| D. | Solid waste |
| Answer» B. Industrial Waste | |
| 40. |
Ignitibility, corrosivity, reactivity and toxicity are characteristics of |
| A. | Industrial Waste |
| B. | Hazardous Waste |
| C. | Solid material |
| D. | Municipal pollution |
| Answer» C. Solid material | |
| 41. |
Which ethod has a relatively high initial cost? |
| A. | Landfillings |
| B. | Compositing |
| C. | Incineration |
| D. | Pulverization |
| Answer» D. Pulverization | |
| 42. |
How long does a refuse take in getting stabilized ? |
| A. | 3 months |
| B. | 2-12 months |
| C. | 3-7 months |
| D. | 9months |
| Answer» C. 3-7 months | |
| 43. |
In which method solid waste is dumped into low lying areas? |
| A. | Landfillings |
| B. | Incineration |
| C. | Compositing |
| D. | Pyrolysis |
| Answer» B. Incineration | |
| 44. |
Which is second fundamental function of solid waste management? |
| A. | Collection |
| B. | Processing |
| C. | Disposal |
| D. | Manual Disposal |
| Answer» C. Disposal | |
| 45. |
In landfilling method, biggest disadvantage is formation of |
| A. | Solid waste |
| B. | Leachate |
| C. | Underground pollution |
| D. | Odour |
| Answer» C. Underground pollution | |
| 46. |
Clinkers can be used as aggregate: concrete and |
| A. | Road Materials |
| B. | Furnitures |
| C. | Farms |
| D. | Food |
| Answer» B. Furnitures | |
| 47. |
Pulverized solid waste can be further disposed of by |
| A. | Landfillings |
| B. | Compositing |
| C. | Pyrolysis |
| D. | Disposed |
| Answer» B. Compositing | |
| 48. |
What measures should be taken by users to reduce solid waste ? |
| A. | Reuse plastic bag |
| B. | Reuse boxes |
| C. | Reuse containers |
| D. | All of above |
| Answer» E. | |
| 49. |
Which compositing can pay its own cost by selling manure produced? |
| A. | Pulverization |
| B. | Pyrolysis |
| C. | Manual Compositing |
| D. | Sea Disposal |
| Answer» D. Sea Disposal | |
| 50. |
What does solid waste include? |
| A. | Municipal waste |
| B. | Biomedical Waste |
| C. | Demolition Waste |
| D. | All of above |
| Answer» E. | |