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 consequence of decreased water availability in mountainous regions?
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Reduced agricultural productivity
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Increased risk of landslides
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Loss of biodiversity
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All of the above
D
Correct answer
Explanation
Decreased water availability in mountainous regions can lead to reduced agricultural productivity, increased risk of landslides, and loss of biodiversity.
How does ocean pollution affect the traditional livelihoods of Indigenous peoples?
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Contamination of seafood resources
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Disruption of fishing and hunting activities
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Loss of biodiversity and habitat degradation
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All of the above
D
Correct answer
Explanation
Ocean pollution has multifaceted impacts on the traditional livelihoods of Indigenous peoples, including contamination of seafood resources, disruption of fishing and hunting activities, and loss of biodiversity and habitat degradation, which collectively threaten their cultural practices and food security.
Which of the following is NOT a benefit of biodiversity?
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Increased ecosystem resilience
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Enhanced ecosystem services
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Reduced risk of natural disasters
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Increased pollution
D
Correct answer
Explanation
Biodiversity is the variety of life on Earth, including the different species of plants, animals, and microorganisms. Biodiversity provides numerous benefits, including increased ecosystem resilience, enhanced ecosystem services, and reduced risk of natural disasters. Pollution is not a benefit of biodiversity.
Which of the following is NOT a primary cause of species endangerment?
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Habitat Loss and Fragmentation
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Overexploitation
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Climate Change
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Natural Selection
D
Correct answer
Explanation
Natural selection is a natural process that drives evolution and adaptation within species, it is not a direct cause of endangerment.
Which of the following is NOT a type of habitat loss?
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Deforestation
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Urbanization
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Pollution
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Climate Change
C
Correct answer
Explanation
Pollution is not a direct cause of habitat loss, although it can degrade habitats and affect species survival.
What is the primary cause of habitat loss, a major threat to biodiversity?
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Climate change
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Deforestation
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Pollution
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Overpopulation
B
Correct answer
Explanation
Deforestation, the clearing of forests for various purposes such as agriculture, urbanization, and logging, is the leading cause of habitat loss.
Which human activity is responsible for the introduction of invasive species, disrupting ecosystems?
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Tourism
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Agriculture
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Transportation
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Industrialization
C
Correct answer
Explanation
Transportation, including shipping and air travel, facilitates the movement of invasive species across geographical barriers, leading to their establishment in new environments.
What is the term used to describe the decline and eventual disappearance of a species from a particular area?
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Extinction
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Endangerment
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Habitat fragmentation
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Overpopulation
A
Correct answer
Explanation
Extinction refers to the complete disappearance of a species from the Earth, often due to habitat loss, overexploitation, or other human-induced factors.
What is the primary cause of habitat destruction?
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Natural disasters
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Human activities
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Climate change
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Pollution
B
Correct answer
Explanation
Human activities such as deforestation, urbanization, and agriculture are the leading causes of habitat destruction.
Which of the following is a direct result of habitat destruction?
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Loss of biodiversity
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Increased carbon emissions
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Water pollution
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Soil erosion
A
Correct answer
Explanation
Habitat destruction leads to the loss of natural habitats, which results in the decline and extinction of species.
Which of the following is NOT a major threat to biodiversity?
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Habitat Loss
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Climate Change
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Pollution
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Overpopulation
D
Correct answer
Explanation
Overpopulation is not a direct threat to biodiversity, although it can contribute to habitat loss and other threats.
Which of the following is NOT a major cause of habitat loss?
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Deforestation
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Urbanization
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Agriculture
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Natural Disasters
D
Correct answer
Explanation
Natural disasters can cause habitat loss, but they are not a major cause compared to human activities like deforestation, urbanization, and agriculture.
What are some of the threats to estuaries?
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Pollution
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Climate change
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Habitat loss
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All of the above
D
Correct answer
Explanation
Estuaries are threatened by a variety of human activities, including pollution, climate change, and habitat loss. Pollution from sewage, fertilizers, and industrial chemicals can contaminate the water and harm the plants and animals that live in estuaries. Climate change is causing sea levels to rise, which can lead to flooding and erosion in estuaries. Habitat loss occurs when natural areas are converted to other uses, such as development or agriculture.
What are some of the challenges to conserving estuaries?
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The impacts of climate change
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Pollution from human activities
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Habitat loss and degradation
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All of the above
D
Correct answer
Explanation
Estuaries face a number of challenges, including the impacts of climate change, pollution from human activities, and habitat loss and degradation. Climate change is causing sea levels to rise, which can lead to flooding and erosion in estuaries. Pollution from human activities, such as sewage, fertilizers, and industrial chemicals, can contaminate the water and harm the plants and animals that live in estuaries. Habitat loss and degradation occurs when natural areas are converted to other uses, such as development or agriculture.
What are some potential consequences of neglecting public perception in the management of National Parks and Wildlife Sanctuaries?
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Reduced public support for conservation efforts
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Increased conflicts between stakeholders
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Unsustainable tourism practices and negative impacts on biodiversity
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All of the above
D
Correct answer
Explanation
Neglecting public perception in the management of National Parks and Wildlife Sanctuaries can lead to reduced public support for conservation efforts, increased conflicts between stakeholders, unsustainable tourism practices, and negative impacts on biodiversity.