atmosphere & climatology section 3 Practice Questions Answers Test with Solutions & More Shortcuts
Atmosphere & Climatology PRACTICE TEST [8 - EXERCISES]
atmosphere & climatology section 1
atmosphere & climatology section 2
atmosphere & climatology section 3
atmosphere & climatology section 4
atmosphere & climatology section 5
atmosphere & climatology section 6
atmosphere & climatology section 7
atmosphere & climatology section 8
Question : 7 [SSC CGL Pre 1999]
The deflection of the winds to the right in the northern hemisphere is caused by :
a) rotation of the earth
b) revolution of the earth
c) All the above
d) uneven heating of the earth
Answer »Answer: (a)
If the Earth didn’t rotate, winds would travel either north or south due to differences in temperature and pressure at different latitudes. But since the Earth does rotate, the Coriolis force deflects these winds to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.
The Coriolis Effect is caused by the rotation of the Earth and the inertia of the mass experiencing the effect. Because the Earth completes only one rotation per day, the Coriolis force is quite small, and its effects generally become noticeable only for motions occurring over large distances and long periods of time, such as largescale movement of air in the atmosphere or water in the ocean.
Such motions are constrained by the surface of the earth, so only the horizontal component of the Coriolis force is generally important. This force causes moving objects on the surface of the Earth to be deflected in a clockwise sense (with respect to the direction of travel) in the northern hemisphere, and in an anti-clockwise sense in the southern hemisphere.
Question : 10
Consider the following statements:
- In tropical grassland regions, rainfall mainly occurs in the short summer season with a long dry season.
- In the Mediterranean region, the winter rainfall is caused by the passage of cyclones in the westerly wind belt which lies over this area.
a) 2 only
b) 1 only
c) Neither 1 nor 2
d) Both 1 and 2
Answer »Answer: (d)
Tropical grassland located mainly in the continental areas of tropical latitudes where rains fall during the summer season which lasts for about five months. In Mediterranean region, the winter rainfall due to middle latitude fronts and cyclones.
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Atmosphere & Climatology Shortcuts »
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indian geography mcq CATEGORIES
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» Nature & Scope of Geography
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» Universe, solar system and Astronomy
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» Geomorphology & Earth landforms
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» Atmosphere & Climatology
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» Hydrosphere & Oceanography
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» Pedology or Soil & Agriculture
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» Ecology & Bio geography
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» World Physical Geography
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» World Human Geography (Population)
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» World Economic Geography (Industry, Trade, Transportation & Agriculture)
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» World Country, Capital, Area, Currency, Parliament, Religion, New & old name of country
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» Physiography & Geomorphology of India
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» Indian Drainage, Irrigation and Rivers & River Projects
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» Indian Climate
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» Ecology, Environment, Forest, Naturals vegetations of India & National Park of India
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» Indian Agriculture & Animal Husbandry
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» Minerals & Energy Resources of India
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» Industries & Trade in India
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» Transportation & Ports System of India
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