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
Which of the following is NOT a factor that can contribute to droughts caused by deforestation?
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Climate change
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Increased water demand
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Poor land management practices
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Volcanic eruptions
D
Correct answer
Explanation
Volcanic eruptions are not a factor that can contribute to droughts caused by deforestation.
Which of the following is NOT a potential impact of droughts caused by deforestation on human health?
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Increased risk of malnutrition
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Increased risk of waterborne diseases
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Increased risk of respiratory diseases
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Improved mental health
D
Correct answer
Explanation
Droughts caused by deforestation can lead to increased risk of malnutrition, increased risk of waterborne diseases, and increased risk of respiratory diseases, but they do not typically lead to improved mental health.
Which of the following is NOT a potential impact of droughts caused by deforestation on the environment?
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Loss of biodiversity
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Increased risk of wildfires
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Reduced air quality
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Improved soil fertility
D
Correct answer
Explanation
Droughts caused by deforestation can lead to loss of biodiversity, increased risk of wildfires, and reduced air quality, but they do not typically lead to improved soil fertility.
Which of the following is NOT a potential impact of droughts caused by deforestation on the economy?
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Reduced agricultural productivity
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Increased energy costs
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Increased tourism revenue
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Reduced water availability
C
Correct answer
Explanation
Droughts caused by deforestation can lead to reduced agricultural productivity, increased energy costs, and reduced water availability, but they do not typically lead to increased tourism revenue.
What is the primary mechanism by which forests regulate climate?
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Carbon sequestration
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Evapotranspiration
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Reflection of sunlight
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Wind dispersion
A
Correct answer
Explanation
Forests regulate climate primarily through carbon sequestration, which involves the absorption and storage of carbon dioxide from the atmosphere.
What is the primary cause of deforestation?
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Natural disasters
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Urbanization
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Agriculture
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Mining
C
Correct answer
Explanation
Agriculture, particularly the expansion of cropland and grazing land, is the leading cause of deforestation worldwide.
How does deforestation contribute to climate change?
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Releasing carbon dioxide
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Reducing oxygen production
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Increasing albedo
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Lowering humidity
A
Correct answer
Explanation
Deforestation releases carbon dioxide into the atmosphere, contributing to the greenhouse effect and global warming.
What percentage of global deforestation is caused by agricultural expansion?
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50-60%
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70-80%
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80-90%
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90-95%
C
Correct answer
Explanation
Agricultural expansion is responsible for 80-90% of global deforestation.
Which of the following is NOT a potential solution to reduce deforestation due to agricultural expansion?
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Agroforestry
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Sustainable intensification
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Reducing meat consumption
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Reforestation
D
Correct answer
Explanation
Reforestation is not a direct solution to reduce deforestation due to agricultural expansion, as it does not address the underlying drivers of deforestation.
Which agricultural product is responsible for the largest share of deforestation in the Amazon rainforest?
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Soybeans
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Beef
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Palm oil
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Sugarcane
B
Correct answer
Explanation
Beef production is responsible for the largest share of deforestation in the Amazon rainforest.
Which of the following is NOT a consequence of deforestation?
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Loss of biodiversity
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Climate change
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Increased food production
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Soil erosion
C
Correct answer
Explanation
Deforestation does not directly lead to increased food production.
Which of the following is NOT a potential benefit of agroforestry?
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Increased crop yields
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Reduced soil erosion
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Improved water quality
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Increased deforestation
D
Correct answer
Explanation
Agroforestry does not lead to increased deforestation.
Which of the following is NOT a potential challenge to reducing deforestation due to agricultural expansion?
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Economic incentives for farmers to clear forests
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Lack of access to land for farmers
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Government policies that promote deforestation
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Climate change
D
Correct answer
Explanation
Climate change is not a direct challenge to reducing deforestation due to agricultural expansion.
Which of the following land use changes is most likely to have a positive impact on regulating services?
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Conversion of forest to agriculture
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Conversion of grassland to urban
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Conversion of wetland to agriculture
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Conversion of desert to forest
D
Correct answer
Explanation
Conversion of desert to forest can increase carbon sequestration, improve water quality, and reduce erosion.
Which of the following land use changes is most likely to have a negative impact on climate regulation?
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Afforestation
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Reforestation
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Urbanization
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Agriculture
C
Correct answer
Explanation
Urbanization typically involves the construction of impervious surfaces, which can increase the amount of heat absorbed by the land surface and contribute to the urban heat island effect.