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Physiographic Divisions Video Lecture | Geography for UPSC CSE
FAQs on Physiographic Divisions Video Lecture - Geography for UPSC CSE
| 1. What are physiographic divisions? |  |
Ans. Physiographic divisions refer to the different regions or areas on Earth that are characterized by distinct physical or natural features such as mountains, valleys, plains, and plateaus among others. These divisions are based on the geology, topography, and landforms of the regions and are used to help in the study and understanding of the physical features of the earth's surface.
| 2. How many physiographic divisions are there in the United States? | |
Ans. There are 8 physiographic divisions in the United States. These are the Atlantic Coastal Plain, Appalachian Highlands, Interior Plains, Interior Highlands, Rocky Mountain System, Intermontane Plateaus, Pacific Mountain System, and the Pacific Border. Each of these divisions has unique physical features that distinguish them from each other.
| 3. What are some of the physical features of the Interior Plains physiographic division? | |
Ans. The Interior Plains physiographic division is characterized by a vast, flat expanse of land that stretches from the Gulf of Mexico to the Canadian border. The region is mostly covered by grasslands and is drained by numerous rivers such as the Missouri, Mississippi, and Red rivers. The division is also home to the Great Plains, which is a vast and flat region that covers most of the central and western parts of the United States.
| 4. How do physiographic divisions affect land use and development? | |
Ans. Physiographic divisions have a significant impact on land use and development. The physical features of a region determine its suitability for various activities such as agriculture, mining, and urban development. For example, mountainous regions are not suitable for large-scale agriculture due to the steep slopes, while flat regions such as plains are ideal for farming. The physical features of a region also affect the availability of natural resources such as water, minerals, and timber.
| 5. What is the significance of studying physiographic divisions? | |
Ans. Studying physiographic divisions is essential in understanding the physical features of the earth's surface and how they affect human activities. It helps in identifying the natural resources available in a region and their potential for exploitation. It also helps in predicting natural hazards such as earthquakes, landslides, and floods that may occur in a region. Additionally, the study of physiographic divisions is critical in the planning and management of land use and development activities.
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