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Landform Types: Plains and Rivers of the world - Geography, UPSC Mains Exam Video Lecture
FAQs on Landform Types: Plains and Rivers of the world - Geography, UPSC Mains Exam Video Lecture
| 1. What are plains and rivers in geography? |  |
Ans. Plains are large areas of flat or gently rolling land, usually at low elevation, characterized by their smooth and level surface. Rivers, on the other hand, are natural watercourses that flow towards an ocean, sea, lake, or another river. They are formed by the accumulation of water from various sources, such as rain, snowmelt, and underground springs.
| 2. Where can we find plains and rivers in the world? | |
Ans. Plains and rivers can be found in various parts of the world. Some of the notable examples include the Great Plains in North America, the Indo-Gangetic Plains in South Asia, the Pampas in South America, and the Eurasian Plain in Europe. Similarly, major rivers like the Amazon in South America, the Nile in Africa, the Mississippi in North America, and the Ganges in South Asia are renowned river systems.
| 3. What are the characteristics of plains? | |
Ans. Plains are characterized by their low elevation, relatively flat or gently rolling terrain, and lack of significant changes in land height. They often have fertile soils, making them ideal for agriculture. Plains can be formed through various geological processes, such as deposition of sediments by rivers, glaciers, or wind, or by the gradual erosion of higher elevated areas.
| 4. How are rivers formed? | |
Ans. Rivers are formed through a combination of processes. The primary source of water for rivers is precipitation, which can come in the form of rain or snow. This water collects in small streams, which merge to form larger rivers. The flow of rivers is determined by the gradient of the land, with water flowing from higher to lower elevations. Rivers can also be formed by melting glaciers or from underground springs.
| 5. Why are plains and rivers important? | |
Ans. Plains and rivers play a crucial role in shaping the geography and ecosystems of different regions. Plains provide fertile lands for agriculture, support diverse plant and animal life, and serve as transportation corridors. Rivers, on the other hand, provide a source of freshwater for human consumption, irrigation, and industrial purposes. They also serve as habitats for various aquatic species and contribute to the overall biodiversity of an area.
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Nov 17, 2024 Last updated |
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