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SEBA Class 10 Geography Important Chapter 4 Regional Geography of USA
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Regional Geography of USA
Chapter: 4
| IMPORTANT SOLUTIONS |
Short Notes:
1. Appalachian Highlands.
Ans: The Appalachian Highlands are a mountain range in eastern North America, stretching from Quebec to Alabama. The Appalachians are some of the world’s oldest mountains. They are worn down by weathering and are much lower than the Western highlands. These areas have been mined for its rich deposits of coal and other minerals, which play a vital role in the economy of North America. The region is characterised by diverse topography, including long broad ridges, steep slopes, and deep gorges.
2. Central Plains.
Ans: The Central Plains are a vast region of flat arable land in the center of North America, stretching from Canada to Mexico. The states in this region include North Dakota, South Dakota, Nebraska, Kansas, Oklahoma, and Texas. This region is dominated by rolling plains, and contains some mountains, dry lands, wetlands, and border regions. The region is drained by several rivers and is home to extensive agricultural activity.
3. Rocky Mountains.
Ans: The Rocky Mountains are a mountain range in western North America, stretching from British Columbia to New Mexico.The Rocky Mountains contain the highest peaks in central North America. The range’s highest peak is Mount Elbert in Colorado at 4,401 metres (14,440 feet) above sea level. Mount Robson in British Columbia, at 3,954 m (12,972 ft), is the highest peak in the Canadian Rockies. The region is characterized by complex physiography, including halls, mountain plateaus, and valleys.
4. Urbanization in USA.
Ans: The USA is highly urbanized, with over 76% of the population living in urban centers. The largest city is New York, followed by Los Angeles.Urbanization refers to the concentration of human populations into discrete areas. This concentration leads to the transformation of land for residential, commercial, industrial and transportation purposes.
5. Agricultural Belts.
Ans: The USA has several agricultural belts, including the Rice and Sugarcane Belt, Cotton Belt, Winter Wheat and Tobacco Belt, Maize Belt, and Spring Wheat Belt, among others.Agricultural Belts work in the most arduous environment and have to withstand adverse conditions, while operating. They are subjected to the most strenuous operations, the dust,soil, stone granules, stray remains of the harvested crop, etc are likely to create interference during the operation.
Short Type Question And Answer
1. What is the total geographical area of the USA?
Ans: 96 lakh square km.
2. What is the total population of the USA?
Ans: 302 million.
3. What is the per capita income of the USA?
Ans: $38,000.
4. What is the main crop grown in the Rice and Sugarcane Belt?
Ans: Rice and sugarcane.
5. What is the main crop grown in the Cotton Belt?
Ans: Cotton.
6. What is the main crop grown in the Winter Wheat and Tobacco Belt?
Ans: Winter wheat and tobacco.
7. What is the main crop grown in the Maize Belt?
Ans: Maize.
8. What is the main crop grown in the Spring Wheat Belt?
Ans: Spring wheat.
9. What is the main industry in the North-East Industrial Region?
Ans: Iron and steel.
10. What is the main industry in the Pacific Coastal Region?
Ans: Petrochemical and heavy chemical industries.
11. What is the main agricultural activity in the Dry Agriculture and Dairy Farming Belt?
Ans: Dry farming and dairy farming.
12. What is the main mineral resource found in the USA?
Ans: Petroleum.
13. What is the main use of coal in the USA?
Ans: Energy production.
14. What is the main crop grown in California?
Ans: Citrus fruits and grapes.
15. What is the main industry in Pittsburgh?
Ans: Iron and steel.
16. What is the main industry in Los Angeles?
Ans: Petrochemical and heavy chemical industries.
17. What is the main agricultural activity in the Great Plains?
Ans: Extensive agricultural activity.
18. What is the main crop grown in the Great Plains?
Ans: Maize and wheat.
19. What is the main industry in Detroit?
Ans: Automobile manufacturing.
20. What is the main industry in Chicago?
Ans: Iron and steel.
21. Describe the physiography of the Rocky Mountains.
Ans: The Rocky Mountains are a mountain range in western North America, stretching from British Columbia to New Mexico. The region is characterized by complex physiography, including halls, mountain plateaus, and valleys. The Rocky Mountains feature tall peaks, canyons, tundra regions, basins and valleys, and forested regions. The Rocky Mountains are formed from igneous and sedimentary rocks. Mount Elbert rises 14,400 feet and is the highest peak in the range. The region is also home to several important rivers, including the Colorado and Missouri rivers.
22. Discuss the economic characteristics of the USA.
Ans: The USA is economically and industrially the most developed country in the world. The country has a high per capita income of $38,000 and a GDP of over $22 trillion. The US has a mixed economy. It has a blend of both capitalism and socialism. Capitalism is when the economy is controlled by individuals and businesses, with little to no government regulation. The USA is also a major hub for international trade, with several major ports and airports.
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