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 primary threat to the survival of the Javan rhinoceros, one of the most critically endangered rhinoceros species?
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Habitat loss
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Poaching
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Climate change
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Disease
B
Correct answer
Explanation
Poaching is the main threat to the Javan rhinoceros' survival. Its horn is highly valued in traditional medicine, leading to rampant illegal hunting.
What is the main cause of the decline in the population of the vaquita, the world's smallest living species of cetacean?
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Habitat loss
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Bycatch
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Climate change
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Disease
B
Correct answer
Explanation
Bycatch, the accidental capture of non-target species in fishing gear, is the primary threat to the vaquita's survival. It is often caught in gillnets used to catch shrimp and fish.
What is the primary threat to the survival of the Sumatran tiger, one of the most critically endangered tiger subspecies?
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Habitat loss
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Poaching
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Climate change
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Disease
A
Correct answer
Explanation
Habitat loss due to deforestation and conversion of natural habitats for agriculture and development is the main threat to the Sumatran tiger's survival.
What is the main cause of the decline in the population of the mountain gorilla, one of the most critically endangered primates?
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Habitat loss
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Poaching
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Climate change
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Disease
A
Correct answer
Explanation
Habitat loss due to deforestation and conversion of natural habitats for agriculture and development is the primary threat to the mountain gorilla's survival.
What is the primary threat to the survival of the blue whale, the largest animal on Earth?
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Habitat loss
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Whaling
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Climate change
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Disease
B
Correct answer
Explanation
Whaling, the hunting of whales for their meat, oil, and other products, is the primary threat to the blue whale's survival. Despite international bans on whaling, illegal whaling still occurs.
What is the main purpose of nature tourism?
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To promote conservation efforts.
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To provide recreational opportunities in natural settings.
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To educate visitors about the environment.
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To generate revenue for local communities.
B
Correct answer
Explanation
Nature tourism aims to provide visitors with opportunities to explore and enjoy natural areas, engage in outdoor activities, and appreciate the beauty and diversity of the natural world.
How does wildlife law regulate the trade and commerce of wildlife products?
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By imposing restrictions on the sale and export of wildlife products
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By requiring permits and licenses for wildlife trade activities
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By promoting fair trade practices and sustainable harvesting methods
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All of the above
D
Correct answer
Explanation
Wildlife law regulates trade through restrictions, permits, and promoting fair trade and sustainable harvesting.
What are some threats to Cultural Landscapes?
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Climate change
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Urbanization
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Pollution
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All of the above
Correct answer
Explanation
Cultural Landscapes face various threats, including climate change, urbanization, pollution, and unsustainable development practices.
What is the term used to describe the loss of biodiversity?
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Deforestation
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Pollution
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Climate change
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Extinction
D
Correct answer
Explanation
Extinction refers to the complete disappearance of a species from the Earth.
What are some of the ways in which human development can negatively impact biodiversity?
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Habitat destruction
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Pollution
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Overexploitation of natural resources
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All of the above
D
Correct answer
Explanation
Human development can negatively impact biodiversity in a number of ways, including habitat destruction, pollution, and overexploitation of natural resources.
The Eastern Himalayas are a biodiversity hotspot. Which of the following is a major threat to biodiversity in this region?
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Climate change
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Deforestation
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Poaching
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All of the above
D
Correct answer
Explanation
Climate change, deforestation, and poaching are all major threats to biodiversity in the Eastern Himalayas.
Which of the following human activities is a major threat to the resilience of ecosystems?
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Sustainable Agriculture
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Renewable Energy Development
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Habitat Fragmentation
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Conservation
C
Correct answer
Explanation
Habitat fragmentation, caused by human activities such as deforestation and urbanization, reduces the connectivity and resilience of ecosystems.
Which of these is a potential long-term consequence of water pollution and environmental racism on ecosystems?
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Loss of Biodiversity
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Degradation of Aquatic Habitats
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Disruption of Food Chains
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All of the Above
D
Correct answer
Explanation
Water pollution and environmental racism can lead to loss of biodiversity, degradation of aquatic habitats, and disruption of food chains, impacting the overall health of ecosystems.
What are some of the threats to wetlands and mangroves?
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Pollution
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Climate change
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Deforestation
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All of the above.
D
Correct answer
Explanation
Wetlands and mangroves are threatened by a number of human activities, including pollution, climate change, and deforestation. Pollution can contaminate the water and soil in wetlands, making them uninhabitable for wildlife. Climate change is causing sea levels to rise, which is threatening coastal wetlands. Deforestation is removing trees that help to protect wetlands from erosion and storm damage.
What are some of the threats to wetlands and mangroves?
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Pollution
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Climate change
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Deforestation
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All of the above.
D
Correct answer
Explanation
Wetlands and mangroves are threatened by a number of human activities, including pollution, climate change, and deforestation. Pollution can contaminate the water and soil in wetlands, making them uninhabitable for wildlife. Climate change is causing sea levels to rise, which is threatening coastal wetlands. Deforestation is removing trees that help to protect wetlands from erosion and storm damage.