| 36. | The infrared radiation by sun are strongly absorbed by |
| a. | carbon dioxide |
| b. | water vapours |
| c. | carbon dioxide and water vapours |
| d. | ozone |
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Answer: (a).carbon dioxide
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| 37. | The latitude of a place expresses its angular position relative to the plane of |
| a. | axis of earth |
| b. | north pole |
| c. | south pole |
| d. | equator |
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Answer: (d).equator
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| 38. | The landforms that are influences by several process namely, weathering, erosion, deposition are known as |
| a. | polygenetic landforms |
| b. | structural landforms |
| c. | polycyclic landforms |
| d. | None of the above |
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Answer: (a).polygenetic landforms
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| 39. | The initial increase of magnetic field in magnetic storms is caused |
| a. | when the shock wave, associated with the gusty solar wind, compresses the magnetosphere |
| b. | when there is a large decrease in field intensity |
| c. | when the gust wind itself engulfs the magnetosphere |
| d. | None of the above |
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Answer: (a).when the shock wave, associated with the gusty solar wind, compresses the magnetosphere
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| 40. | The island state of Australia is |
| a. | Victoria |
| b. | Queensland |
| c. | Tasmania |
| d. | New South Wales |
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Answer: (c).Tasmania
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