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Soil, in which nearly all our food grows, is a living resource that takes years to form. Yet it can vanish in minutes. Each year 75 billion tonnes of fertile soil is lost to erosion. That is alarming — and not just for food producers. Soil can trap huge quantities of carbon dioxide in the form of organic carbon and prevent it from escaping into the atmosphere
On the basis of the above passage, the following assumptions have been made :
1. Large scale soil erosion is a major reason for widespread food insecurity in the world.
2. Soil erosion is mainly anthropogenic.
3. Sustainable management of soils helps in combating climate change.
Q. Which of the above assumptions is/are valid?
  • a)
    1 and 2 only
  • b)
    3 only
  • c)
    2 and 3 only
  • d)
    1, 2 and 3
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Soil, in which nearly all our food grows, is a living resource that ta...
Nearly 33 percent of the world's adequate or high-quality food-producing land has been lost at a speed surpassing nature's ability to replace diminished soil. While soil is eroded rapidly, it takes thousands of years to fully replenish.
Sediment input to a body of water comes from natural sources, such as erosion of soils and weathering of rock, or as the result of anthropogenic activities, such as forest or agricultural practices, or construction activities.
Sustainable soil and land management practices that are adapted to the local biophysical and socio-economic conditions can provide options for enhancing the interactions among soil, water, livestock and plants, which can prevent, slow or stop soil degradation and mitigate the impacts of climate change.
 
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Most Upvoted Answer
Soil, in which nearly all our food grows, is a living resource that ta...
, considering it takes around 500 years to form just 2.5 centimeters of topsoil. Topsoil is the uppermost layer of soil that contains the highest concentration of organic matter, nutrients, and microorganisms that are necessary for plant growth.

Soil erosion is caused by various factors, including deforestation, improper land use, overgrazing, and intensive farming practices. When soil is exposed to wind and water, it can easily wash away, leaving behind barren land that cannot support plant growth. This not only affects agriculture and food production but also leads to environmental problems such as water pollution, desertification, and loss of biodiversity.

To combat soil erosion, conservation practices such as crop rotation, cover cropping, and no-till farming can be adopted. These practices help to maintain soil health and increase soil organic matter, which in turn reduces the risk of erosion.

It is essential to protect and conserve our soil resources, as they are critical to our food security and the health of our planet. By adopting sustainable farming practices and raising awareness about the importance of soil conservation, we can ensure that our soil resources remain productive for generations to come.
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Soil, in which nearly all our food grows, is a living resource that takes years to form. Yet it can vanish in minutes. Each year 75 billion tonnes of fertile soil is lost to erosion. That is alarming — and not just for food producers. Soil can trap huge quantities of carbon dioxide in the form of organic carbon and prevent it from escaping into the atmosphereOn the basis of the above passage, the following assumptions have been made :1. Large scale soil erosion is a major reason for widespread food insecurity in the world.2. Soil erosion is mainly anthropogenic.3. Sustainable management of soils helps in combating climate change.Q.Which of the above assumptions is/are valid?a)1 and 2 onlyb)3 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?
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Soil, in which nearly all our food grows, is a living resource that takes years to form. Yet it can vanish in minutes. Each year 75 billion tonnes of fertile soil is lost to erosion. That is alarming — and not just for food producers. Soil can trap huge quantities of carbon dioxide in the form of organic carbon and prevent it from escaping into the atmosphereOn the basis of the above passage, the following assumptions have been made :1. Large scale soil erosion is a major reason for widespread food insecurity in the world.2. Soil erosion is mainly anthropogenic.3. Sustainable management of soils helps in combating climate change.Q.Which of the above assumptions is/are valid?a)1 and 2 onlyb)3 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Soil, in which nearly all our food grows, is a living resource that takes years to form. Yet it can vanish in minutes. Each year 75 billion tonnes of fertile soil is lost to erosion. That is alarming — and not just for food producers. Soil can trap huge quantities of carbon dioxide in the form of organic carbon and prevent it from escaping into the atmosphereOn the basis of the above passage, the following assumptions have been made :1. Large scale soil erosion is a major reason for widespread food insecurity in the world.2. Soil erosion is mainly anthropogenic.3. Sustainable management of soils helps in combating climate change.Q.Which of the above assumptions is/are valid?a)1 and 2 onlyb)3 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Soil, in which nearly all our food grows, is a living resource that takes years to form. Yet it can vanish in minutes. Each year 75 billion tonnes of fertile soil is lost to erosion. That is alarming — and not just for food producers. Soil can trap huge quantities of carbon dioxide in the form of organic carbon and prevent it from escaping into the atmosphereOn the basis of the above passage, the following assumptions have been made :1. Large scale soil erosion is a major reason for widespread food insecurity in the world.2. Soil erosion is mainly anthropogenic.3. Sustainable management of soils helps in combating climate change.Q.Which of the above assumptions is/are valid?a)1 and 2 onlyb)3 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?.
Solutions for Soil, in which nearly all our food grows, is a living resource that takes years to form. Yet it can vanish in minutes. Each year 75 billion tonnes of fertile soil is lost to erosion. That is alarming — and not just for food producers. Soil can trap huge quantities of carbon dioxide in the form of organic carbon and prevent it from escaping into the atmosphereOn the basis of the above passage, the following assumptions have been made :1. Large scale soil erosion is a major reason for widespread food insecurity in the world.2. Soil erosion is mainly anthropogenic.3. Sustainable management of soils helps in combating climate change.Q.Which of the above assumptions is/are valid?a)1 and 2 onlyb)3 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for UPSC. Download more important topics, notes, lectures and mock test series for UPSC Exam by signing up for free.
Here you can find the meaning of Soil, in which nearly all our food grows, is a living resource that takes years to form. Yet it can vanish in minutes. Each year 75 billion tonnes of fertile soil is lost to erosion. That is alarming — and not just for food producers. Soil can trap huge quantities of carbon dioxide in the form of organic carbon and prevent it from escaping into the atmosphereOn the basis of the above passage, the following assumptions have been made :1. Large scale soil erosion is a major reason for widespread food insecurity in the world.2. Soil erosion is mainly anthropogenic.3. Sustainable management of soils helps in combating climate change.Q.Which of the above assumptions is/are valid?a)1 and 2 onlyb)3 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Soil, in which nearly all our food grows, is a living resource that takes years to form. Yet it can vanish in minutes. Each year 75 billion tonnes of fertile soil is lost to erosion. That is alarming — and not just for food producers. Soil can trap huge quantities of carbon dioxide in the form of organic carbon and prevent it from escaping into the atmosphereOn the basis of the above passage, the following assumptions have been made :1. Large scale soil erosion is a major reason for widespread food insecurity in the world.2. Soil erosion is mainly anthropogenic.3. Sustainable management of soils helps in combating climate change.Q.Which of the above assumptions is/are valid?a)1 and 2 onlyb)3 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?, a detailed solution for Soil, in which nearly all our food grows, is a living resource that takes years to form. Yet it can vanish in minutes. Each year 75 billion tonnes of fertile soil is lost to erosion. That is alarming — and not just for food producers. Soil can trap huge quantities of carbon dioxide in the form of organic carbon and prevent it from escaping into the atmosphereOn the basis of the above passage, the following assumptions have been made :1. Large scale soil erosion is a major reason for widespread food insecurity in the world.2. Soil erosion is mainly anthropogenic.3. Sustainable management of soils helps in combating climate change.Q.Which of the above assumptions is/are valid?a)1 and 2 onlyb)3 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of Soil, in which nearly all our food grows, is a living resource that takes years to form. Yet it can vanish in minutes. Each year 75 billion tonnes of fertile soil is lost to erosion. That is alarming — and not just for food producers. Soil can trap huge quantities of carbon dioxide in the form of organic carbon and prevent it from escaping into the atmosphereOn the basis of the above passage, the following assumptions have been made :1. Large scale soil erosion is a major reason for widespread food insecurity in the world.2. Soil erosion is mainly anthropogenic.3. Sustainable management of soils helps in combating climate change.Q.Which of the above assumptions is/are valid?a)1 and 2 onlyb)3 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Soil, in which nearly all our food grows, is a living resource that takes years to form. Yet it can vanish in minutes. Each year 75 billion tonnes of fertile soil is lost to erosion. That is alarming — and not just for food producers. Soil can trap huge quantities of carbon dioxide in the form of organic carbon and prevent it from escaping into the atmosphereOn the basis of the above passage, the following assumptions have been made :1. Large scale soil erosion is a major reason for widespread food insecurity in the world.2. Soil erosion is mainly anthropogenic.3. Sustainable management of soils helps in combating climate change.Q.Which of the above assumptions is/are valid?a)1 and 2 onlyb)3 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? tests, examples and also practice UPSC tests.
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