MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
What does PAH stand for in terms of organic chemistry? |
| A. | Polynuclear Aromatic Hydrocarbons |
| B. | Polyethylene Acetic Hydride |
| C. | Polycyclic Acetic Hydrocarbons |
| D. | Polynuclear Aromatic Hydrides |
| Answer» B. Polyethylene Acetic Hydride | |
| 2. |
Which is the largest-volume manufactured organic chemical? |
| A. | Ethylene |
| B. | Ethane |
| C. | Formaldehyde |
| D. | Carbonic acid |
| Answer» B. Ethane | |
| 3. |
What is the range of vapour pressure of VOCs? |
| A. | High vapour pressure |
| B. | Low vapour pressure |
| C. | Depends on the concentration of VOCs |
| D. | Depends on the type of VOCs |
| Answer» C. Depends on the concentration of VOCs | |
| 4. |
What does the abbreviation VOC stand for? |
| A. | Versatile Oxygenated Compounds |
| B. | Volatile Oxygenated Compounds |
| C. | Volatile Organic Carbons |
| D. | Volatile Organic Compounds |
| Answer» E. | |
| 5. |
Which is the most abundant hydrocarbon in the atmosphere? |
| A. | Methane |
| B. | Carbonyl sulphide |
| C. | Ethane |
| D. | None of the mentioned |
| Answer» B. Carbonyl sulphide | |
| 6. |
Which of the following are classified as major sources to air pollution? |
| A. | Fuel consumption by local citizens |
| B. | Sewage treatment plants |
| C. | Dry cleaning and laundries |
| D. | None of the mentioned |
| Answer» C. Dry cleaning and laundries | |
| 7. |
Which of these belongs to the category of criteria pollutants? |
| A. | Ozone |
| B. | Lead |
| C. | Carbon monoxide |
| D. | All of the mentioned |
| Answer» E. | |
| 8. |
Which of the following is an inorganic pollutant? |
| A. | Carbon monoxide |
| B. | Carbonyl compounds |
| C. | Aromatic hydrocarbons |
| D. | None of the mentioned |
| Answer» B. Carbonyl compounds | |
| 9. |
What percentage of pollutants is gaseous in nature? |
| A. | 75% |
| B. | 80% |
| C. | 99.9% |
| D. | 90% |
| Answer» E. | |
| 10. |
Which of these is NOT a primary pollutant? |
| A. | Carbon monoxide |
| B. | Carbon dioxide |
| C. | Ground level ozone |
| D. | Oxygen |
| Answer» E. | |