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 research ecosystem is particularly vulnerable to climate change impacts?
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Tropical Rainforests
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Coral Reefs
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Arctic Tundra
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Temperate Grasslands
B
Correct answer
Explanation
Coral Reefs are highly sensitive to changes in ocean temperature and acidity, making them particularly vulnerable to climate change impacts.
Which research ecosystem is particularly vulnerable to the impacts of sea-level rise?
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Coastal Wetlands
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Montane Forests
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Desert Ecosystems
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Temperate Grasslands
A
Correct answer
Explanation
Coastal Wetlands are particularly vulnerable to the impacts of sea-level rise due to their low elevation and proximity to the ocean.
What is the relationship between desertification and biodiversity?
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Desertification can lead to a loss of biodiversity
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Desertification can lead to an increase in biodiversity
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Desertification has no impact on biodiversity
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The relationship between desertification and biodiversity is unknown
A
Correct answer
Explanation
Desertification can lead to a loss of biodiversity because it destroys habitats and makes it difficult for plants and animals to survive.
What are some of the plant and animal species that are most affected by desertification?
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Drought-tolerant plants
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Desert animals
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Migratory species
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Endangered species
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All of the above
E
Correct answer
Explanation
Desertification can affect a wide range of plant and animal species, including drought-tolerant plants, desert animals, migratory species, and endangered species.
What are some of the potential environmental impacts of climate change adaptation and mitigation strategies?
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Habitat loss and fragmentation
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Increased water pollution
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Deforestation
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All of the above
D
Correct answer
Explanation
Climate change adaptation and mitigation strategies can have a range of potential environmental impacts, including habitat loss and fragmentation, increased water pollution, deforestation, and other negative consequences.
Which of the following is a threat to cave-dwelling organisms?
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Pollution
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Climate change
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Habitat destruction
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All of the above
D
Correct answer
Explanation
Pollution, climate change, and habitat destruction are all threats to cave-dwelling organisms.
Which of the following is NOT a potential threat to protected areas?
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Habitat fragmentation
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Invasive species
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Climate change
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Sustainable tourism
D
Correct answer
Explanation
Sustainable tourism, when properly managed, can contribute to the conservation of protected areas rather than posing a threat.
What is the primary cause of biodiversity loss in the fashion industry?
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Overconsumption
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Deforestation
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Pollution
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Climate change
A
Correct answer
Explanation
Overconsumption of fashion products, particularly fast fashion items, leads to increased demand for raw materials, which in turn contributes to deforestation, habitat destruction, and the decline of biodiversity.
How does land use affect biodiversity?
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It can lead to habitat loss and fragmentation
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It can introduce invasive species
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It can disrupt ecosystem processes
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All of the above
D
Correct answer
Explanation
Land use can lead to habitat loss and fragmentation, introduce invasive species, and disrupt ecosystem processes.
What is the term for the loss of biodiversity?
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Extinction
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Endangered species
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Habitat loss
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Climate change
A
Correct answer
Explanation
Extinction is the term used to describe the permanent disappearance of a species from Earth.
What is the main reason for the decline in fish populations downstream of dams?
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Loss of spawning grounds
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Increased predation
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Reduced food availability
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All of the above
D
Correct answer
Explanation
Dams can block fish migration routes, destroy spawning grounds, increase predation, and reduce food availability, leading to a decline in fish populations downstream.
What is the primary cause of the decline in fish populations downstream of irrigation projects?
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Loss of spawning grounds
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Increased predation
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Reduced food availability
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All of the above
D
Correct answer
Explanation
Irrigation projects can lead to loss of spawning grounds, increased predation, and reduced food availability, all of which can contribute to the decline in fish populations downstream.
How does land degradation affect biodiversity?
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Increased Species Diversity
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Enhanced Habitat Connectivity
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Reduced Ecosystem Resilience
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Accelerated Species Extinction
D
Correct answer
Explanation
Land degradation can lead to the loss of habitats, fragmentation of ecosystems, and changes in microclimates, all of which can contribute to accelerated species extinction.
Which of the following is NOT a consequence of wetland loss in India?
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Loss of biodiversity
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Increased flooding
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Reduced water quality
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Improved air quality
D
Correct answer
Explanation
Wetland loss in India has negative consequences such as loss of biodiversity, increased flooding, and reduced water quality. However, it does not lead to improved air quality.
What is the primary reason for the decline in fish populations in India's wetlands?
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Overfishing
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Pollution
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Habitat loss
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All of the above
D
Correct answer
Explanation
The decline in fish populations in India's wetlands is primarily due to a combination of overfishing, pollution, and habitat loss.