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 a major challenge to resilience in tropical environments?
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Climate change
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Deforestation
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Pollution
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Invasive species
Correct answer
Explanation
Climate change, deforestation, pollution, and invasive species are all significant challenges that threaten the resilience of tropical environments.
Which of the following is a major threat to the resilience of coral reefs in tropical environments?
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Climate change
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Overfishing
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Pollution
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Invasive species
Correct answer
Explanation
Climate change, overfishing, pollution, and invasive species are all significant threats to the resilience of coral reefs.
What is the primary 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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Overpopulation
A
Correct answer
Explanation
Habitat destruction, primarily driven by human activities such as deforestation, urbanization, and agriculture, is the leading cause of biodiversity loss.
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 provision of the Endangered Species Act?
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It is illegal to kill, harm, or harass endangered or threatened species
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It is illegal to possess, sell, or transport endangered or threatened species
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It is illegal to destroy the habitat of endangered or threatened species
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It is illegal to use endangered or threatened species in music
D
Correct answer
Explanation
The Endangered Species Act does not prohibit the use of endangered or threatened species in music.
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.
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.