MCQOPTIONS
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MCQOPTIONS
This section includes 11 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_A_SINK_FOR_CARBON??$ |
| A. | Wetlands |
| B. | Old oil fields |
| C. | Saline waterbodies |
| D. | All of the mentioned |
| Answer» E. | |
| 2. |
Volcanic eruptions contribute to the global greenhouse phenomenon.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Which_of_the_following_greenhouse_gas_is_contributed_by_cattle_farming?$ |
| A. | Nitrous oxide |
| B. | Methane |
| C. | Carbon monoxide |
| D. | All of the mentioned |
| Answer» C. Carbon monoxide | |
| 4. |
What does the process of carbon sequestration mean? |
| A. | Removal of CO<sub>2 </sub> from the atmosphere |
| B. | Storage of CO<sub>2 </sub> by depositing in reservoir |
| C. | Both of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 5. |
What does the method of “enhanced weathering” infer?$ |
| A. | It is a method used to spray sulphate aerosols to reduce the greenhouse effect |
| B. | It is a method of cloud seeding that is done to reduce the contribution of clouds to greenhouse effect |
| C. | It is a method used to remove CO<sub>2 </sub>from the air |
| D. | None of the mentioned |
| Answer» E. | |
| 6. |
What is the reason for extreme difference in temperatures at day and night in deserts? |
| A. | Carbon dioxide concentrations are low in desert regions, therefore heat escapes easily |
| B. | Sand has high heat conduction properties |
| C. | Lack of moisture leads to escape of heat |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 7. |
Anthropogenic sources of carbon dioxide are 20 times greater than natural carbon dioxide sources. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Which of the following compounds have the highest GWP? |
| A. | Nitrous oxide |
| B. | CFC |
| C. | Water vapour |
| D. | Sulphur hexafluoride |
| Answer» E. | |
| 9. |
Which of the following gases has the highest radiative efficiency? |
| A. | Sulphur hexafluoride |
| B. | Carbon tetrachloride |
| C. | PFTBA |
| D. | CFC |
| Answer» D. CFC | |
| 10. |
Which of the following mentioned GHGs has the highest atmospheric lifetime? |
| A. | Carbon tetrafluoride |
| B. | Nitrous oxide |
| C. | Methane |
| D. | CFC |
| Answer» B. Nitrous oxide | |
| 11. |
The GWP depends on which of the following factors? |
| A. | Absorption capability of IR radiations |
| B. | Atmospheric life-time |
| C. | Range of IR wavelengths it can absorb |
| D. | All of the mentioned |
| Answer» E. | |