Environmental Studies ยท Biology
Biodiversity and Conservation
4,050 Questions
Biodiversity and conservation focus on protecting species, maintaining natural habitats, and managing ecological balance. It covers essential themes like wildlife corridors, marine ecosystems, and genetic diversity. This topic is heavily tested in environmental studies sections across multiple competitive exams.
Ecosystem conservationWildlife sanctuariesEndangered species managementGenetic diversityEnvironmental ethics
Biodiversity and Conservation Questions
What is the primary reason why mangrove forests are important for biodiversity?
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They provide habitat for a variety of marine life
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They help to protect coastal communities from storms and erosion
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They help to filter pollutants from water
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All of the above
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Correct answer
Explanation
Mangrove forests provide habitat for a variety of marine life, help to protect coastal communities from storms and erosion, and help to filter pollutants from water, all of which contribute to biodiversity.
What is the ecological significance of salt marshes?
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Habitat for Diverse Species
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Natural Filtration System
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Carbon Sequestration
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All of the Above
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Correct answer
Explanation
Salt marshes provide habitat for a variety of species, act as natural filters for pollutants, and sequester carbon.
How do salt marshes contribute to coastal resilience?
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Buffering Shorelines from Erosion
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Filtering Pollutants
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Providing Habitat for Marine Life
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All of the Above
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Correct answer
Explanation
Salt marshes contribute to coastal resilience by buffering shorelines from erosion, filtering pollutants, and providing habitat for marine life.
Which of the following is a conservation strategy for protecting salt marshes?
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Habitat Restoration
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Pollution Control
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Sustainable Land Use Practices
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All of the Above
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Correct answer
Explanation
Conservation strategies for salt marshes include habitat restoration, pollution control, and sustainable land use practices.
How do salt marshes contribute to the biodiversity of coastal ecosystems?
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Providing Habitat for Diverse Species
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Supporting Food Webs
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Acting as Nursery Grounds for Marine Life
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All of the Above
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Correct answer
Explanation
Salt marshes contribute to biodiversity by providing habitat for diverse species, supporting food webs, and acting as nursery grounds for marine life.
How can local communities contribute to the conservation of salt marshes?
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Engaging in Sustainable Fishing Practices
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Reducing Pollution
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Participating in Habitat Restoration Projects
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All of the Above
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Correct answer
Explanation
Local communities can contribute to salt marsh conservation by engaging in sustainable fishing practices, reducing pollution, and participating in habitat restoration projects.
Which of the following is a limitation of the economic valuation of environmental resources?
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It can capture all aspects of the value of an environmental resource
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It can be used to compare different environmental resources
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It can inform decision-making about environmental policies
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It is not always possible to accurately estimate the value of an environmental resource
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Correct answer
Explanation
A limitation of the economic valuation of environmental resources is that it is not always possible to accurately estimate their value due to challenges such as lack of market data, uncertainty and subjectivity in valuation methods, and difficulty in isolating the effects of environmental resources.
What is the primary function of mangroves in coastal ecosystems?
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Providing habitat for marine life
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Protecting coastlines from erosion
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Filtering pollutants from water
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All of the above
D
Correct answer
Explanation
Mangroves provide habitat for marine life, protect coastlines from erosion, and filter pollutants from water, making them vital components of coastal ecosystems.
Which of the following is NOT a strategy for conserving and restoring wetlands and mangroves?
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Protecting existing wetlands and mangroves
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Restoring degraded wetlands and mangroves
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Promoting sustainable use of wetlands and mangroves
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Converting wetlands and mangroves to other uses
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Correct answer
Explanation
Conserving and restoring wetlands and mangroves involves protecting existing ecosystems, restoring degraded ones, and promoting sustainable use. Converting wetlands and mangroves to other uses is counterproductive to conservation efforts.
What is the primary reason why mangroves are effective in reducing coastal erosion?
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Their extensive root systems stabilize the soil
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Their leaves trap sediment and create new land
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They act as natural breakwaters, dissipating wave energy
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All of the above
D
Correct answer
Explanation
Mangroves are effective in reducing coastal erosion due to their extensive root systems, which stabilize the soil, their leaves that trap sediment and create new land, and their ability to act as natural breakwaters, dissipating wave energy.
What is the role of fire in grassland ecosystems?
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It helps to maintain biodiversity
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It promotes the growth of new plants
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It reduces the risk of invasive species
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All of the above
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Correct answer
Explanation
Fire plays an important role in grassland ecosystems by helping to maintain biodiversity, promoting the growth of new plants, and reducing the risk of invasive species.
What are some strategies for promoting resilience in grassland environments?
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Reduce overgrazing
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Control invasive species
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Restore degraded grasslands
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All of the above
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Correct answer
Explanation
There are a number of strategies that can be used to promote resilience in grassland environments, including reducing overgrazing, controlling invasive species, restoring degraded grasslands, and implementing sustainable grazing practices.
How can reducing overgrazing help to promote resilience in grasslands?
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It allows native plants to recover
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It reduces soil erosion
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It decreases the risk of fire
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All of the above
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Correct answer
Explanation
Reducing overgrazing can help to promote resilience in grasslands by allowing native plants to recover, reducing soil erosion, decreasing the risk of fire, and improving water quality.
How can controlling invasive species help to promote resilience in grasslands?
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It reduces competition with native plants
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It improves ecosystem processes
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It decreases the risk of fire
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All of the above
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Correct answer
Explanation
Controlling invasive species can help to promote resilience in grasslands by reducing competition with native plants, improving ecosystem processes, decreasing the risk of fire, and increasing biodiversity.
How can restoring degraded grasslands help to promote resilience?
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It improves soil health
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It increases biodiversity
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It reduces the risk of erosion
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All of the above
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Correct answer
Explanation
Restoring degraded grasslands can help to promote resilience by improving soil health, increasing biodiversity, reducing the risk of erosion, and improving water quality.