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
What is the primary threat to biodiversity in the Himalayas?
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Habitat Loss
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Overexploitation
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Pollution
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Invasive Species
A
Correct answer
Explanation
Habitat loss, primarily due to deforestation and land use changes, is the primary threat to biodiversity in the Himalayas.
What is the primary challenge in addressing the human-wildlife conflict in the Himalayas?
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Habitat Loss
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Poaching
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Climate Change
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Lack of Awareness
A
Correct answer
Explanation
Habitat loss, primarily due to deforestation and land use changes, is the primary challenge in addressing the human-wildlife conflict in the Himalayas.
Which of the following is a major threat to riverine biodiversity in India?
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Pollution
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Deforestation
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Overfishing
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Climate Change
Correct answer
Explanation
Riverine biodiversity in India is facing multiple threats, including pollution from industrial and agricultural activities, deforestation leading to habitat loss, overfishing, and the impacts of climate change on aquatic ecosystems.
What is the main cause of biodiversity loss?
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Habitat destruction
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Overexploitation
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Pollution
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Climate change
A
Correct answer
Explanation
Habitat destruction, primarily driven by human activities such as deforestation, urbanization, and agriculture, is the leading cause of biodiversity loss.
How do land-use changes affect the resilience of subtropical ecosystems?
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They can fragment and degrade habitats
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They can introduce invasive species
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They can disrupt ecosystem processes, such as water flow
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All of the above
D
Correct answer
Explanation
Land-use changes can affect the resilience of subtropical ecosystems by fragmenting and degrading habitats, introducing invasive species, and disrupting ecosystem processes, such as water flow.
What are invasive species, and how do they impact the resilience of subtropical ecosystems?
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Non-native species that can outcompete native species
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They can disrupt ecosystem structure and function
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They can transmit diseases to native species
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All of the above
D
Correct answer
Explanation
Invasive species are non-native species that can outcompete native species, disrupt ecosystem structure and function, and transmit diseases to native species, all of which can impact the resilience of subtropical ecosystems.
What are some of the potential consequences of increased forest pest and disease outbreaks?
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Reduced timber production
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Loss of biodiversity
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Increased risk of wildfires
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All of the above
D
Correct answer
Explanation
Increased forest pest and disease outbreaks can lead to reduced timber production, loss of biodiversity, and increased risk of wildfires. Reduced timber production can have economic consequences, while loss of biodiversity can disrupt ecosystem functioning and make forests less resilient to future disturbances. Increased risk of wildfires can lead to further forest loss and damage.
What is the primary threat to coral reefs worldwide?
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Climate Change
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Overfishing
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Pollution
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Habitat Destruction
A
Correct answer
Explanation
Climate change, particularly rising sea temperatures and ocean acidification, poses a significant threat to coral reefs worldwide.
How does ocean pollution impact the food chain?
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It disrupts the balance of marine ecosystems.
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It accumulates in the tissues of marine organisms.
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It reduces the availability of food sources for marine life.
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All of the above
D
Correct answer
Explanation
Ocean pollution affects the food chain in multiple ways. It disrupts the balance of marine ecosystems by altering the abundance and distribution of species. It accumulates in the tissues of marine organisms, potentially harming their health and making them unsafe for consumption. Additionally, pollution can reduce the availability of food sources for marine life, leading to declines in populations.
How does ocean pollution affect marine biodiversity?
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It can lead to the decline and extinction of marine species.
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It can disrupt marine food webs and ecosystems.
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It can alter the behavior and reproductive patterns of marine organisms.
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All of the above
D
Correct answer
Explanation
Ocean pollution can have devastating effects on marine biodiversity. It can lead to the decline and extinction of marine species, disrupt marine food webs and ecosystems, and alter the behavior and reproductive patterns of marine organisms. These impacts can have far-reaching consequences for the health and functioning of marine ecosystems.
What is the tragedy of the commons?
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The overexploitation of a common property resource
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The pollution of a common resource
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The depletion of a non-renewable resource
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All of the above
A
Correct answer
Explanation
The tragedy of the commons is a situation in which a common property resource is overexploited because individuals acting in their own self-interest have no incentive to conserve the resource.
Which of the following is a major threat to biodiversity in India?
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Habitat loss
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Climate change
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Pollution
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All of the above
D
Correct answer
Explanation
Habitat loss, climate change, and pollution are all major threats to biodiversity in India.
What is the biggest threat to the snow leopard?
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Habitat loss
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Poaching
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Climate change
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All of the above
D
Correct answer
Explanation
The snow leopard is threatened by habitat loss, poaching, and climate change.
Which of the following ecosystems is particularly vulnerable to the impacts of climate change?
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Coral reefs
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Tropical rainforests
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Arctic tundra
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All of the above
Correct answer
Explanation
Coral reefs, tropical rainforests, and Arctic tundra are all highly sensitive to changes in temperature, precipitation, and sea level, making them particularly vulnerable to the impacts of climate change.
Which of the following species is particularly vulnerable to the impacts of climate change?
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Polar bears
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Sea turtles
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Monarch butterflies
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All of the above
Correct answer
Explanation
Polar bears, sea turtles, and monarch butterflies are all highly sensitive to changes in their environment, making them particularly vulnerable to the impacts of climate change.