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
How does water scarcity affect the environment?
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It can lead to desertification.
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It can cause loss of biodiversity.
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It can increase the risk of wildfires.
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All of the above
D
Correct answer
Explanation
Water scarcity can lead to desertification, loss of biodiversity, and an increased risk of wildfires.
What is the term for the loss of biodiversity?
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Extinction
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Deforestation
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Pollution
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Climate change
A
Correct answer
Explanation
Extinction is the term for the loss of biodiversity, which occurs when a species dies out completely.
Traditional Hunting and Gathering practices often involve:
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Habitat destruction
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Conservation of natural resources
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Pollution of ecosystems
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Overconsumption of resources
B
Correct answer
Explanation
Traditional Hunting and Gathering practices prioritize the conservation of natural resources, ensuring their availability for future generations.
Which of the following is a potential consequence of increased air pollution on ecosystems?
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Enhanced biodiversity
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Improved soil fertility
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Reduced risk of wildfires
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Disruption of ecological balance
D
Correct answer
Explanation
Increased air pollution can disrupt the ecological balance by affecting plant and animal life, altering food chains, and reducing biodiversity.
How does coastal erosion affect marine life?
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It destroys marine habitats
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It reduces the food supply for marine life
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It makes it more difficult for marine life to reproduce
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All of the above
D
Correct answer
Explanation
Coastal erosion can have a devastating impact on marine life, destroying habitats, reducing the food supply, and making it more difficult for marine life to reproduce.
What is the main threat to wetlands and mangroves?
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Pollution
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Climate change
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Habitat destruction
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All of the above
D
Correct answer
Explanation
Pollution, climate change, and habitat destruction are all major threats to wetlands and mangroves.
What is the main cause of habitat destruction for wetlands and mangroves?
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Pollution
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Climate change
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Human activities
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All of the above
C
Correct answer
Explanation
Human activities, such as agriculture, development, and pollution, are the main cause of habitat destruction for wetlands and mangroves.
Which of the following factors is NOT a key determinant of resilience in mountain environments?
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Biodiversity
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Climate
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Geology
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Infrastructure
D
Correct answer
Explanation
Infrastructure is not a key determinant of resilience in mountain environments, as it can be damaged or destroyed by disturbances and may not contribute to the long-term resilience of these ecosystems.
What are the threats faced by Data Deficient species?
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Habitat loss and degradation
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Pollution
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Overexploitation
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Climate change
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All of the above
E
Correct answer
Explanation
Data Deficient species are threatened by a variety of factors, including habitat loss and degradation, pollution, overexploitation, and climate change.
What is the IUCN Red List?
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A list of species that are threatened with extinction.
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A list of species that are not threatened with extinction.
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A list of species that are Data Deficient.
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A list of species that are extinct.
A
Correct answer
Explanation
The IUCN Red List is a list of species that are threatened with extinction.
What are the categories of threat on the IUCN Red List?
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Extinct
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Extinct in the Wild
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Critically Endangered
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Endangered
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Vulnerable
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Near Threatened
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Least Concern
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Data Deficient
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Not Evaluated
Correct answer
Explanation
The categories of threat on the IUCN Red List are Extinct, Extinct in the Wild, Critically Endangered, Endangered, Vulnerable, Near Threatened, Least Concern, Data Deficient, and Not Evaluated.
Which of the following is NOT a challenge faced in managing National Parks and Wildlife Sanctuaries in India?
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Poaching
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Habitat loss
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Climate change
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Overtourism
D
Correct answer
Explanation
Overtourism is not a major challenge faced in managing National Parks and Wildlife Sanctuaries in India.
What is the primary cause of habitat loss in National Parks and Wildlife Sanctuaries?
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Deforestation
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Mining
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Agriculture
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Urbanization
A
Correct answer
Explanation
Deforestation is the primary cause of habitat loss in National Parks and Wildlife Sanctuaries, as it destroys the natural habitats of wildlife.
Which of the following is NOT a challenge faced by wildlife sanctuaries in India?
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Poaching
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Habitat loss
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Climate change
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Overgrazing
D
Correct answer
Explanation
Overgrazing is not a challenge faced by wildlife sanctuaries in India.
How does habitat loss impact wildlife in India?
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It reduces the availability of food and shelter.
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It increases the risk of disease transmission.
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It leads to conflicts between humans and wildlife.
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All of the above
D
Correct answer
Explanation
Habitat loss impacts wildlife in India in various ways, including reducing the availability of food and shelter, increasing the risk of disease transmission, and leading to conflicts between humans and wildlife.