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Deserts Video Lecture | Geography for UPSC CSE
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FAQs on Deserts Video Lecture - Geography for UPSC CSE
| 1. What are deserts and how are they formed? |  |
Deserts are arid regions characterized by extreme dryness and scarce vegetation. They are formed due to various factors such as low rainfall, high evaporation rates, and geographical features like mountain ranges that block moisture-laden winds. Lack of vegetation also contributes to desertification.
| 2. Which is the largest desert in the world? | |
The largest desert in the world is the Antarctic Desert. Covering an area of approximately 14 million square kilometers, it is followed by the Arctic Desert and the Sahara Desert.
| 3. What are the different types of deserts? | |
Deserts can be classified into several types based on their location, climate, and specific characteristics. Some common types include hot deserts (e.g., Sahara), cold deserts (e.g., Gobi), coastal deserts (e.g., Namib), and polar deserts (e.g., Antarctica).
| 4. How do plants and animals survive in deserts? | |
Plants and animals in deserts have evolved various adaptations to survive in extreme arid conditions. Some plants have deep root systems to reach underground water sources, while others store water in their tissues. Animals have developed mechanisms to conserve water, such as concentrated urine and the ability to extract moisture from their food.
| 5. What are the environmental challenges faced by deserts? | |
Deserts face several environmental challenges, including desertification caused by human activities such as overgrazing, deforestation, and improper agricultural practices. Climate change also poses a threat to desert ecosystems, leading to increased temperatures, reduced rainfall, and loss of biodiversity.
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Nov 15, 2024 Last updated |
Video Description: Deserts for UPSC 2024 is part of Geography for UPSC CSE preparation.
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