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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