Environmental Studies ยท Geography
Deforestation and Land Degradation
2,619 Questions
Deforestation and land degradation address the environmental impacts of human activities on natural ecosystems. Key areas include soil erosion, forest fires, and the consequences of overgrazing. These subjects frequently appear in the geography and environmental science sections of competitive exams.
Causes of deforestationForest fires consequencesSoil erosion factorsDesertification impactsAgroforestry benefitsReforestation advantages
Deforestation and Land Degradation Questions
What is the primary cause of desertification in India?
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Deforestation
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Overgrazing
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Climate Change
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All of the above
D
Correct answer
Explanation
Desertification in India is a result of a combination of factors, including deforestation, overgrazing, and climate change.
What is the major impact of desertification on agriculture in India?
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Loss of soil fertility
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Reduced crop yields
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Increased water scarcity
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All of the above
D
Correct answer
Explanation
Desertification leads to loss of soil fertility, reduced crop yields, and increased water scarcity, all of which have a negative impact on agriculture.
What are some of the measures being taken to combat desertification in India?
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Reforestation
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Soil conservation
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Water management
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All of the above
D
Correct answer
Explanation
To combat desertification, India is implementing various measures such as reforestation, soil conservation, and water management.
Which of the following is NOT a consequence of desertification?
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Loss of biodiversity
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Increased soil fertility
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Reduced water availability
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Land degradation
B
Correct answer
Explanation
Desertification leads to land degradation and reduced water availability, but it does not increase soil fertility.
Which of the following is NOT a factor contributing to desertification in India?
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Deforestation
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Overgrazing
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Climate change
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Fertilizer use
D
Correct answer
Explanation
Fertilizer use is not a direct contributor to desertification in India.
What is the primary cause of deforestation in India?
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Agriculture
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Urbanization
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Mining
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Fuelwood collection
A
Correct answer
Explanation
Agriculture is the primary cause of deforestation in India, as forests are cleared for cultivation.
How does overgrazing contribute to desertification in India?
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It compacts the soil
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It removes vegetation cover
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It increases soil erosion
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All of the above
D
Correct answer
Explanation
Overgrazing compacts the soil, removes vegetation cover, and increases soil erosion, all of which contribute to desertification.
How can desertification be prevented in India?
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Promoting sustainable agriculture practices
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Implementing soil and water conservation measures
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Encouraging afforestation and reforestation
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All of the above
D
Correct answer
Explanation
Desertification can be prevented in India by promoting sustainable agriculture practices, implementing soil and water conservation measures, and encouraging afforestation and reforestation.
Which of the following is not a major challenge to environmental conservation in India?
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Deforestation
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Pollution
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Climate Change
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Economic Development
D
Correct answer
Explanation
Economic development is not a challenge to environmental conservation, but rather a driver of it. Economic development can lead to increased pollution and resource use, but it can also lead to increased investment in environmental protection and conservation.
What is the leading cause of deforestation in India?
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Agriculture
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Logging
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Mining
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Urbanization
A
Correct answer
Explanation
Agriculture is the leading cause of deforestation in India, accounting for over 50% of all deforestation. Logging, mining, and urbanization are also significant contributors to deforestation, but they account for a smaller share of the total.
What is the main cause of deforestation in India?
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Agriculture expansion
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Industrial development
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Mining activities
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All of the above
D
Correct answer
Explanation
Deforestation in India is primarily caused by agriculture expansion, industrial development, and mining activities.
Which of the following is not a sustainable forest management practice?
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Selective logging
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Reforestation
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Clear-cutting
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Agroforestry
C
Correct answer
Explanation
Clear-cutting involves the removal of all trees in a forest area, which is not a sustainable practice as it can lead to soil erosion, loss of biodiversity, and disruption of ecosystem services.
Which of the following is not a benefit of forest conservation?
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Preservation of biodiversity
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Regulation of climate
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Prevention of soil erosion
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Generation of revenue from timber sales
D
Correct answer
Explanation
While forest conservation provides numerous benefits, generation of revenue from timber sales is not a primary objective as it can lead to unsustainable forest practices.
Which of the following is not a benefit of agroforestry in forest conservation?
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It increases biodiversity
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It reduces soil erosion
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It provides additional income for farmers
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It promotes deforestation
D
Correct answer
Explanation
Agroforestry, which involves integrating trees and shrubs into agricultural systems, does not promote deforestation but rather enhances biodiversity, reduces soil erosion, and provides additional income for farmers.
How does deforestation contribute to the increase in carbon footprint?
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Trees absorb carbon dioxide during photosynthesis
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Deforestation reduces the Earth's albedo
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Trees release oxygen during photosynthesis
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Deforestation increases the amount of water vapor in the atmosphere
A
Correct answer
Explanation
Trees absorb carbon dioxide during photosynthesis and release oxygen. When trees are cut down or burned, the carbon stored in their trunks and leaves is released back into the atmosphere as carbon dioxide, contributing to the increase in carbon footprint.