Soil Video Lecture | Geography for UPSC 2024 (Pre & Mains)
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100 videos|76 docs
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FAQs on Soil Video Lecture - Geography for UPSC 2024 (Pre & Mains)
| 1. What is soil erosion and why is it a concern? |  |
Ans. Soil erosion refers to the process of the detachment and removal of the top layer of soil by natural agents such as wind, water, or human activities. It is a concern because it can lead to the loss of fertile soil, reduced agricultural productivity, increased sedimentation in water bodies, and degradation of ecosystems.
| 2. How does deforestation contribute to soil degradation? | |
Ans. Deforestation contributes to soil degradation in multiple ways. When forests are cleared, the protective tree cover is lost, exposing the soil to erosion by wind and water. The removal of trees also disrupts the nutrient cycle, leading to nutrient depletion in the soil. Moreover, without tree roots to hold the soil together, landslides and soil erosion become more prevalent.
| 3. What are the impacts of soil pollution on human health? | |
Ans. Soil pollution can have several adverse effects on human health. Contaminated soil can lead to the accumulation of toxic substances in crops, which can enter the human food chain and cause various health issues. Additionally, direct contact with polluted soil or inhalation of contaminated dust can result in respiratory problems, skin diseases, and even cancer in severe cases.
| 4. How can soil conservation practices help mitigate the effects of soil erosion? | |
Ans. Soil conservation practices play a crucial role in mitigating soil erosion. Some effective measures include contour plowing, terrace farming, strip cropping, and the use of cover crops. These practices help to slow down the flow of water, reduce soil erosion, and promote the accumulation of organic matter in the soil, thereby improving its fertility and structure.
| 5. What are the main causes of soil degradation in urban areas? | |
Ans. Urban areas face several causes of soil degradation, including construction activities, improper waste disposal, and pollution from industries. The compacting of soil due to construction and heavy traffic can lead to poor drainage and reduced air circulation, affecting plant growth. Improper waste disposal, such as dumping of chemicals or untreated sewage, can contaminate the soil and degrade its quality. Industries can release pollutants that can infiltrate and pollute the soil, further contributing to degradation.
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Dec 20, 2024 Last updated |
Video Description: Soil for UPSC 2024 is part of Geography for UPSC 2024 (Pre & Mains) preparation.
The notes and questions for Soil have been prepared according to the UPSC exam syllabus.
Information about Soil covers all important topics for UPSC 2024 Exam.
Find important definitions, questions, notes, meanings, examples, exercises and tests below for Soil.
Introduction of Soil in English is available as part of our Geography for UPSC 2024 (Pre & Mains) for UPSC & Soil in
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Video Lecture & Questions for Soil Video Lecture | Geography for UPSC 2024 (Pre & Mains) - UPSC full syllabus preparation | Free video for UPSC exam to prepare for Geography for UPSC 2024 (Pre & Mains).
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