Environmental Studies ยท 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
Which of the following is NOT an example of a disturbance that can affect an ecosystem?
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Natural disasters
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Human activities
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Climate change
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Ecological balance
D
Correct answer
Explanation
Ecological balance is not a disturbance, but rather a state of equilibrium in an ecosystem.
Which of the following is NOT a consequence of human activities that can disrupt the balance of ecosystems?
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Pollution
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Habitat destruction
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Invasive species introduction
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Natural disasters
D
Correct answer
Explanation
Natural disasters are not a consequence of human activities, although they can impact ecosystems.
What are some of the challenges facing restoration ecology in the 21st century?
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Climate change
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Invasive species
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Pollution
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All of the above
D
Correct answer
Explanation
Restoration ecology faces a number of challenges in the 21st century, including climate change, invasive species, and pollution.
What are some of the key challenges facing governments in their efforts to conserve biodiversity?
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Habitat loss and fragmentation
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Climate change
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Pollution
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Invasive species
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All of the above
E
Correct answer
Explanation
Governments face a number of key challenges in their efforts to conserve biodiversity, including habitat loss and fragmentation, climate change, pollution, and invasive species.
What are the main threats to genetic diversity?
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Habitat loss
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Climate change
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Pollution
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Inbreeding
Correct answer
Explanation
Genetic diversity is threatened by a combination of factors, including habitat loss, climate change, pollution, and inbreeding.
Which of the following is NOT a major obstacle to conservation efforts?
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Habitat loss and fragmentation
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Climate change
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Pollution
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Overpopulation
D
Correct answer
Explanation
While overpopulation can have indirect impacts on conservation, it is not directly considered a major obstacle to conservation efforts.
What are some of the negative effects of habitat fragmentation?
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It can lead to the loss of biodiversity
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It can make it more difficult for animals to find food and mates
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It can increase the risk of animals being killed by predators
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All of the above
D
Correct answer
Explanation
Habitat fragmentation can have a number of negative effects on wildlife, including the loss of biodiversity, making it more difficult for animals to find food and mates, and increasing the risk of animals being killed by predators.
Which of the following is NOT a cause of habitat fragmentation?
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Road construction
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Agriculture
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Climate change
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Development
C
Correct answer
Explanation
Climate change is not a direct cause of habitat fragmentation, although it can indirectly contribute to it by causing changes in vegetation and land use.
What are some of the ways that habitat fragmentation can affect wildlife?
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It can make it more difficult for animals to find food and mates
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It can increase the risk of animals being killed by predators
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It can lead to the loss of genetic diversity
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All of the above
D
Correct answer
Explanation
Habitat fragmentation can affect wildlife in a number of ways, including making it more difficult for animals to find food and mates, increasing the risk of animals being killed by predators, and leading to the loss of genetic diversity.
What is the main cause of biodiversity loss?
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Habitat destruction
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Climate change
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Pollution
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Overexploitation
A
Correct answer
Explanation
Habitat destruction is the leading cause of biodiversity loss. When natural habitats are destroyed, species that depend on those habitats for food, shelter, and breeding are at risk of extinction.
Which of the following is NOT a benefit of biodiversity?
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Increased resilience to climate change
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Improved air and water quality
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Increased food production
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Reduced risk of disease outbreaks
D
Correct answer
Explanation
While biodiversity can provide many benefits, including increased resilience to climate change, improved air and water quality, and increased food production, it is not directly linked to a reduced risk of disease outbreaks.
Which of the following is NOT a threat to biodiversity?
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Habitat destruction
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Climate change
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Pollution
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Invasive species
D
Correct answer
Explanation
While invasive species can have a negative impact on biodiversity, they are not a direct threat to biodiversity in the same way that habitat destruction, climate change, and pollution are.
Which of the following is NOT a threat to biodiversity?
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Habitat destruction
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Climate change
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Pollution
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Invasive species
D
Correct answer
Explanation
While invasive species can have a negative impact on biodiversity, they are not a direct threat to biodiversity in the same way that habitat destruction, climate change, and pollution are.
Which of the following is NOT a consequence of habitat loss?
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Loss of biodiversity
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Climate change
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Increased pollution
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Improved water quality
D
Correct answer
Explanation
Habitat loss can lead to a number of negative consequences, including loss of biodiversity, climate change, and increased pollution. However, it does not typically lead to improved water quality.
Which type of habitat is most vulnerable to loss and degradation?
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Forests
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Grasslands
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Wetlands
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Deserts
C
Correct answer
Explanation
Wetlands are the most vulnerable type of habitat to loss and degradation, due to their unique hydrology and the many threats they face, such as drainage, pollution, and development.