Environmental Studies ยท Biology
Biodiversity and Conservation
2,388 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 term used to describe the economic losses incurred due to biodiversity loss?
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Biodiversity cost
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Ecosystem cost
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Environmental cost
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All of the above
D
Correct answer
Explanation
Biodiversity cost, ecosystem cost, and environmental cost all refer to the economic losses incurred due to biodiversity loss and the degradation of ecosystem services.
Which of the following is NOT an example of an economic cost of biodiversity loss?
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Loss of agricultural productivity
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Increased healthcare costs
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Loss of tourism revenue
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Increased profits for corporations
D
Correct answer
Explanation
Increased profits for corporations is not an economic cost of biodiversity loss. It is a private benefit that may accrue to certain individuals or entities, but it does not represent a loss to society as a whole.
What are some of the potential negative impacts of wildlife tourism on local communities?
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Displacement of local people
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Environmental degradation
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Cultural erosion
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All of the above
D
Correct answer
Explanation
Wildlife tourism can have a number of negative impacts on local communities, including displacement of local people, environmental degradation, and cultural erosion.
Which of the following is a direct threat to marine biodiversity?
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Overfishing.
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Climate change.
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Pollution.
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All of the above.
D
Correct answer
Explanation
Overfishing, climate change, and pollution are all significant threats to marine biodiversity, contributing to habitat loss, species decline, and ecosystem disruption.
Which of the following is NOT a potential negative impact of ecotourism?
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Overcrowding and damage to natural areas.
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Cultural erosion and loss of traditional practices.
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Increased pollution and waste generation.
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Improved infrastructure and access to education.
D
Correct answer
Explanation
Improved infrastructure and access to education are potential benefits of ecotourism, not negative impacts.
Which of the following is a potential impact of mining on the local ecosystem in permafrost regions?
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Habitat loss for wildlife
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Disruption of migration routes
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Alteration of water flow patterns
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All of the above
D
Correct answer
Explanation
Mining activities can lead to habitat loss for wildlife, disruption of migration routes, and alteration of water flow patterns, all of which can have negative impacts on the local ecosystem.
Which of the following is NOT a potential negative impact of tourism on the environment?
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Air and water pollution.
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Deforestation and habitat destruction.
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Increased biodiversity.
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Soil erosion and desertification.
C
Correct answer
Explanation
Tourism can have various negative impacts on the environment, including air and water pollution, deforestation, habitat destruction, soil erosion, and desertification. Increased biodiversity is not a typical negative impact of tourism.
What is the term used to describe the loss of biodiversity and the extinction of species?
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Deforestation
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Habitat destruction
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Pollution
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Climate change
Correct answer
Explanation
Biodiversity loss refers to the decline in the variety of life on Earth, including the loss of species, habitats, and ecosystems. This loss is primarily caused by human activities such as deforestation, habitat destruction, pollution, and climate change.
How do Mediterranean ecosystems respond to disturbances such as wildfires?
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They recover quickly due to rapid plant growth
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They undergo a process of succession, leading to the establishment of new plant communities
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They experience long-term degradation and loss of biodiversity
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They remain unchanged and unaffected
B
Correct answer
Explanation
Mediterranean ecosystems exhibit resilience by undergoing a process of succession after disturbances, where new plant communities establish and adapt to the changed conditions.
Which of the following is a major challenge to the resilience of Mediterranean ecosystems?
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Climate change
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Deforestation
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Overgrazing
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All of the above
D
Correct answer
Explanation
Mediterranean ecosystems face multiple challenges to their resilience, including climate change, deforestation, overgrazing, and other human activities that degrade the environment.
How can science education help students develop an appreciation for the diversity of life on Earth?
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Science education teaches students about the different forms of life on Earth
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Science education teaches students about the importance of biodiversity
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Science education provides students with opportunities to observe and interact with different forms of life
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All of the above
D
Correct answer
Explanation
Science education teaches students about the different forms of life on Earth, the importance of biodiversity, and provides them with opportunities to observe and interact with different forms of life.
Which of the following is NOT a consequence of habitat destruction?
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Loss of Biodiversity
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Soil Erosion
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Climate Regulation
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Increased Carbon Sequestration
D
Correct answer
Explanation
Habitat destruction typically leads to a decrease in carbon sequestration, as forests and other natural habitats play a crucial role in absorbing carbon dioxide from the atmosphere.
What is the primary threat to coral reefs worldwide, leading to their degradation and potential extinction?
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Overfishing
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Pollution
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Climate Change
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Deforestation
C
Correct answer
Explanation
Climate change, particularly rising sea temperatures and ocean acidification, poses the most significant threat to coral reefs globally. These changes disrupt the delicate balance of coral ecosystems, leading to coral bleaching and reduced reef resilience.
What are some of the challenges faced by National Parks and Wildlife Sanctuaries in climate change mitigation?
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Deforestation and forest degradation
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Climate change impacts on ecosystems
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Invasive species
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All of the above
D
Correct answer
Explanation
National Parks and Wildlife Sanctuaries face a number of challenges in climate change mitigation, including deforestation and forest degradation, climate change impacts on ecosystems, and invasive species.
How does marine debris impact marine ecosystems?
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Disrupts marine food webs
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Alters marine habitats
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Introduces invasive species
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All of the above
D
Correct answer
Explanation
Marine debris can disrupt marine food webs by introducing harmful substances into the environment, alter marine habitats by accumulating on beaches and coral reefs, and introduce invasive species by providing a means of transport for non-native organisms.