Environmental Studies · Biology
Biodiversity and Conservation
2,266 Questions
Biodiversity and conservation questions address threats to ecosystems, climate change impacts, and habitat loss. These topics are essential for environmental science sections in major competitive exams. Practicing these questions clarifies concepts regarding species extinction and ecological management.
Habitat loss consequencesClimate change impactsEcosystem degradation causesDesert biodiversity threatsForest diversity threatsResource extraction effects
Biodiversity and Conservation Questions
What is the estimated number of plant and animal species that could go extinct due to deforestation?
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10,000
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50,000
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100,000
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1,000,000
C
Correct answer
Explanation
It is estimated that up to 100,000 plant and animal species could go extinct due to deforestation, as their habitats are destroyed or fragmented.
What are some of the challenges facing Important Bird and Biodiversity Areas (IBAs)?
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Habitat loss and degradation
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Climate change
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Pollution
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All of the above
D
Correct answer
Explanation
IBAs face a variety of challenges, including habitat loss and degradation, climate change, and pollution. These challenges can threaten the survival of the birds and other biodiversity that depend on IBAs.
What is the main cause of biodiversity loss?
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Habitat destruction
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Pollution
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Climate change
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Invasive species
A
Correct answer
Explanation
Habitat destruction is the leading cause of biodiversity loss, as it removes the natural habitats of species and makes it difficult for them to survive.
Which of the following is NOT a benefit of biodiversity?
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Increased resilience to environmental changes
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Enhanced ecosystem productivity
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Improved human health and well-being
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Reduced risk of natural disasters
D
Correct answer
Explanation
Reduced risk of natural disasters is not a direct benefit of biodiversity, as it is not a direct result of the presence of diverse species.
Which of the following is NOT a threat to biodiversity?
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Habitat loss
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Pollution
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Climate change
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Sustainable agriculture
D
Correct answer
Explanation
Sustainable agriculture is not a threat to biodiversity, as it aims to minimize negative impacts on the environment and promote the conservation of natural resources.
Which of the following is NOT a benefit of ecosystem services?
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Increased resilience to climate change
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Improved air and water quality
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Enhanced food security
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Increased risk of natural disasters
D
Correct answer
Explanation
Increased risk of natural disasters is not a benefit of ecosystem services, as it is not a direct result of the presence of healthy ecosystems.
Which of the following is NOT a benefit of biodiversity?
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Increased resilience to environmental changes
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Enhanced ecosystem productivity
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Improved human health and well-being
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Reduced risk of natural disasters
D
Correct answer
Explanation
Reduced risk of natural disasters is not a direct benefit of biodiversity, as it is not a direct result of the presence of diverse species.
What are the potential environmental impacts of tourism?
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Increased pollution and waste generation
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Overcrowding and degradation of natural resources
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Deforestation and habitat loss
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All of the above
D
Correct answer
Explanation
Tourism can have negative environmental impacts, including increased pollution and waste generation, overcrowding and degradation of natural resources, and deforestation and habitat loss.
Which of the following is NOT a potential benefit of MPAs?
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Protection of marine biodiversity and habitats
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Enhancement of fish stocks and fisheries productivity
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Mitigation of climate change impacts on marine ecosystems
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Increased coastal erosion and shoreline degradation
D
Correct answer
Explanation
MPAs are designed to protect and conserve marine ecosystems, not to cause coastal erosion or shoreline degradation. In fact, they can contribute to coastal resilience by protecting habitats that buffer shorelines from erosion.
Which of the following is NOT a potential consequence of overfishing in marine ecosystems?
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Depletion of fish stocks and reduced漁獲量
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Disruption of marine food webs and ecological imbalances
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Increased biodiversity and resilience of marine ecosystems
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Habitat degradation and loss of critical marine habitats
C
Correct answer
Explanation
Overfishing typically leads to declines in fish stocks, disruption of food webs, habitat degradation, and reduced biodiversity. It does not contribute to increased biodiversity or resilience in marine ecosystems.
What are some of the environmental impacts of adventure tourism?
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Erosion
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Pollution
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Habitat destruction
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All of the above
D
Correct answer
Explanation
Adventure tourism can have a number of negative environmental impacts, including erosion, pollution, and habitat destruction.
Which of the following is NOT a factor that can affect the value of an ecosystem service?
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Supply and demand
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Scarcity
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Government regulations
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Cultural preferences
C
Correct answer
Explanation
Government regulations do not directly affect the value of an ecosystem service, but they can affect the way that the service is used or managed.
Which of the following is NOT a benefit of ecosystem diversity?
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Increased resilience to environmental change
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Enhanced productivity
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Reduced risk of disease outbreaks
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Increased economic stability
D
Correct answer
Explanation
Ecosystem diversity does not directly affect economic stability, although it can have indirect effects on the economy.
What is the term used to describe the loss of ecosystem services due to human activities?
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Ecosystem degradation
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Ecosystem collapse
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Biodiversity loss
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Habitat fragmentation
A
Correct answer
Explanation
Ecosystem degradation is the process by which the quality or quantity of ecosystem services is reduced.
Which of the following is NOT a consequence of ecosystem degradation?
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Reduced food production
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Increased water pollution
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Loss of biodiversity
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Improved air quality
D
Correct answer
Explanation
Ecosystem degradation can lead to a decrease in air quality, but it can also lead to an increase in air quality in some cases.