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This section includes 14 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. |
In rural areas, what has contributed significantly to particulate pollution? |
| A. | Incomplete combustion in vehicles |
| B. | Using wood for fire and cooking |
| C. | Fertilisers |
| D. | All of the mentioned |
| Answer» C. Fertilisers | |
| 2. |
What is the size range of atmospheric particulate matter? |
| A. | 0.1 – 10 microns |
| B. | 0.1 – 1 micron |
| C. | 1 – 10 microns |
| D. | 10 – 100 microns |
| Answer» B. 0.1 – 1 micron | |
| 3. |
Which of the following constituent of photochemical smog causes the bronzing of plants? |
| A. | PBN |
| B. | PAN |
| C. | PFN |
| D. | Ketones |
| Answer» C. PFN | |
| 4. |
What is the size range of respirable suspended particulate matter? |
| A. | Less than 1 micrometre |
| B. | Less than 10 micrometre |
| C. | Less than 100 micrometre |
| D. | Less than 0.1 micrometre |
| Answer» C. Less than 100 micrometre | |
| 5. |
WHAT_IS_THE_SIZE_RANGE_OF_ATMOSPHERIC_PARTICULATE_MATTER??$ |
| A. | 0.1 – 10 microns |
| B. | 0.1 – 1 micron |
| C. | 1 – 10 microns |
| D. | 10 – 100 microns |
| Answer» B. 0.1 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 1 micron | |
| 6. |
In_rural_areas,_what_has_contributed_significantly_to_particulate_pollution?$ |
| A. | Incomplete combustion in vehicles |
| B. | Using wood for fire and cooking |
| C. | Fertilisers |
| D. | All of the mentioned |
| Answer» C. Fertilisers | |
| 7. |
Which of the following aerosols have the best absorbing properties? |
| A. | Carbon black |
| B. | Soot |
| C. | Elemental Carbon |
| D. | All of the mentioned |
| Answer» E. | |
| 8. |
What is the reason behind the yellow colour of smog? |
| A. | Nitrogen dioxide |
| B. | Sulphur dioxide |
| C. | Sulphate ions |
| D. | Nitrate ions |
| Answer» D. Nitrate ions | |
| 9. |
Which of the following constituent of photochemical smog causes the bronzing of plants? |
| A. | PBN |
| B. | PAN |
| C. | PFN |
| D. | Ketones |
| Answer» C. PFN | |
| 10. |
What is the composition of photochemical smog? |
| A. | Nitrogen oxides, ketones and ozone |
| B. | VOCs and hydrocarbons |
| C. | Peroxy-acetyl-nitrate, peroxy-benzoyl-nitrate, peroxy fornyl-nitrate |
| D. | All of the mentioned |
| Answer» E. | |
| 11. |
Which type of particulate is condensed form of vapours? |
| A. | Mist |
| B. | Dust |
| C. | Fumes |
| D. | Smoke |
| Answer» D. Smoke | |
| 12. |
Which of the following is a viable particulate? |
| A. | Smoke |
| B. | Mist |
| C. | Dust |
| D. | Moulds |
| Answer» E. | |
| 13. |
Air-borne particulates are classified as group 1 carcinogens. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 14. |
What is the size range of respirable suspended particulate matter? |
| A. | Less than 1 micrometre |
| B. | Less than 10 micrometre |
| C. | Less than 100 micrometre |
| D. | Less than 0.1 micrometre |
| Answer» C. Less than 100 micrometre | |