Environmental Studies ยท Biology
Biodiversity and Conservation
3,944 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 purpose of establishing marine protected areas (MPAs)?
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To allow unrestricted fishing and harvesting.
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To promote tourism and recreational activities.
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To protect and conserve marine ecosystems and species.
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To facilitate oil and gas exploration.
C
Correct answer
Explanation
Marine protected areas are designated areas of the ocean where human activities are restricted or prohibited to protect and conserve marine ecosystems and species.
What is the role of indigenous knowledge and traditional practices in combating deforestation?
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Promoting Monoculture Plantations
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Encouraging Unsustainable Logging
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Preserving Biodiversity and Ecosystems
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Increasing Carbon Emissions
C
Correct answer
Explanation
Indigenous knowledge and traditional practices often emphasize the importance of preserving biodiversity and ecosystems, which can contribute to combating deforestation and promoting sustainable land use.
How can governments and organizations support communities affected by deforestation?
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Providing Land Rights and Security
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Promoting Sustainable Livelihoods
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Resettlement and Compensation Programs
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All of the Above
D
Correct answer
Explanation
Governments and organizations can support communities affected by deforestation by providing land rights and security, promoting sustainable livelihoods, implementing resettlement and compensation programs, and addressing the underlying causes of deforestation.
Which of the following is NOT a benefit of marine protected areas?
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Protecting marine biodiversity
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Enhancing fisheries productivity
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Boosting tourism
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Increasing pollution
D
Correct answer
Explanation
Marine protected areas are designed to protect marine ecosystems and biodiversity, not to increase pollution.
Which of the following is NOT a key goal of marine conservation?
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Protecting marine biodiversity
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Ensuring sustainable use of marine resources
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Promoting economic development
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Reducing pollution
C
Correct answer
Explanation
Promoting economic development is not a key goal of marine conservation, although it can be a positive side effect.
Which of the following is NOT a strategy for managing and conserving species?
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Habitat protection
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Sustainable harvesting
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Captive breeding and reintroduction
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Genetic engineering
D
Correct answer
Explanation
Genetic engineering is not typically considered a strategy for managing and conserving species in their natural habitats.
Which of the following is NOT a type of conservation strategy?
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Habitat protection
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Sustainable harvesting
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Captive breeding and reintroduction
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Hunting and fishing bans
D
Correct answer
Explanation
Hunting and fishing bans are not typically considered conservation strategies, as they do not address the underlying causes of species decline.
What is the role of pollinators in regulating ecosystem services?
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They help control pest populations.
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They contribute to the decomposition of organic matter.
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They facilitate the dispersal of seeds.
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They regulate the flow of water in ecosystems.
C
Correct answer
Explanation
Pollinators play a crucial role in regulating ecosystem services by facilitating the dispersal of seeds, which contributes to plant reproduction and the maintenance of biodiversity.
How can we promote the provision of regulating services in coastal ecosystems?
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Protect and restore mangroves.
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Reduce nutrient pollution.
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Promote sustainable fishing practices.
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All of the above
D
Correct answer
Explanation
To promote the provision of regulating services in coastal ecosystems, we can protect and restore mangroves, reduce nutrient pollution, and promote sustainable fishing practices, as these measures help to protect and enhance the health of coastal ecosystems.
How do wetlands benefit the environment?
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They provide habitat for a variety of plants and animals
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They help to filter pollutants from water
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They help to control flooding
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All of the above
D
Correct answer
Explanation
Wetlands provide a variety of benefits to the environment, including providing habitat for plants and animals, filtering pollutants from water, and helping to control flooding.
How can habitat loss and fragmentation be minimized during transportation projects?
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Using elevated roadways
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Building bridges over wetlands
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Creating wildlife corridors
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All of the above
D
Correct answer
Explanation
Habitat loss and fragmentation can be minimized during transportation projects by using elevated roadways, building bridges over wetlands, and creating wildlife corridors.
What is the role of planning in minimizing the impacts of transportation on wetlands?
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Identifying and avoiding sensitive wetland areas
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Developing transportation plans that consider wetland conservation
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Involving stakeholders in the planning process
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All of the above
D
Correct answer
Explanation
Planning plays a crucial role in minimizing the impacts of transportation on wetlands by identifying and avoiding sensitive wetland areas, developing transportation plans that consider wetland conservation, and involving stakeholders in the planning process.
What is the role of economic valuation in the conservation of regulating services?
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It can help to justify the conservation of natural areas
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It can help to promote the development of sustainable technologies
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It can help to inform policy decisions about pollution control and climate change
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All of the above
D
Correct answer
Explanation
All of the above are roles of economic valuation in the conservation of regulating services.
How can the results of assessments of the impacts of land use change on regulating services be used to inform decision-making?
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To develop land use policies that promote sustainable development
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To identify areas that are most vulnerable to the impacts of land use change
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To prioritize conservation efforts
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All of the above
D
Correct answer
Explanation
The results of assessments of the impacts of land use change on regulating services can be used in all of these ways.
What is the formula for calculating the Berger-Parker Index?
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D = \frac{N_{max}}{N}
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D = \frac{N}{N_{max}}
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D = \frac{1}{N_{max}}
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D = \frac{1}{N}
A
Correct answer
Explanation
The Berger-Parker Index is calculated by dividing the abundance of the most abundant species by the total abundance of all species in the community.