31). Very strong and cold icy winds that blow in the Polar regions are called :
A). typhoons |
B). tormadoes |
C). blizzards |
D). polar winds |
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32). The plane of contact of the troposphere and stratosphere is known as :
A). mesosphere |
B). ionosphere |
C). stratopause |
D). tropopause |
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33). The velocity of winds is related to :
A). the amount of moisture they carry |
B). the nearness to the sea |
C). pressure gradient in the direction of their flow |
D). the direction in which they blow |
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34). Increase in carbon dioxide in atmosphere causes :
A). rise in earth temperature |
B). fall in earth temperature |
C). uniform earth temperature |
D). increase in Ultraviolet rays |
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35). In the Southern hemisphere the Westerlies blow from :
A). north |
B). north east |
C). north west |
D). south east |
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36). Which of the following sequences of atmospheric layers is correct from below?
A). Stratosphere, ionosphere, Tropopause, Troposphere |
B). Ionosphere, Troposphere, Stratosphere, Tropopause |
C). Troposphere, Tropopause, Stratosphere, Ionosphere |
D). Tropopause, Troposphere, Ionosphere, Stratosphere |
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37). Winds and air currents differ in the aspect that:
A). air currents blow much faster than winds |
B). air currents are always moisture laden while the winds are usually dry |
C). the winds blow on lands while air currents blow over seas and oceans |
D). winds are horizontal movements of air while air currents are the vertical movements of air |
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38). In USA, which one of the following regions receives heavy rainfall throughout the year under the influence of Westerlies?
A). North-western |
B). North-eastern |
C). South-western |
D). South-eastern |
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39). The temperature increases rapidly after:
A). exosphere |
B). ionosphere |
C). stratosphere |
D). troposphere |
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40). The cold and dense air blowing down the mountain slope during the night is known as:
A). anabatic wind |
B). khamsin |
C). katabatic wind |
D). harmattan |
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