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 main challenge facing protected areas in many parts of the world?
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Climate change
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Habitat fragmentation
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Invasive species
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All of the above
D
Correct answer
Explanation
Protected areas face a variety of challenges, including climate change, habitat fragmentation, and invasive species.
Which of the following is NOT a challenge facing protected areas in marine environments?
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Overfishing
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Pollution
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Climate change
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Deforestation
D
Correct answer
Explanation
Deforestation is not a challenge facing protected areas in marine environments.
Which of the following is not a potential impact of climate change on biodiversity?
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Extinction of species.
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Loss of habitat.
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Increased genetic diversity.
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Changes in species distribution.
C
Correct answer
Explanation
Climate change is more likely to lead to decreased genetic diversity, as rising temperatures and changes in precipitation patterns can lead to the loss of habitats and the extinction of species.
Which human activity is considered a major threat to biodiversity?
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Deforestation
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Pollution
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Climate change
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All of the above
D
Correct answer
Explanation
Deforestation, pollution, and climate change are all significant threats to biodiversity, as they lead to habitat loss, degradation, and fragmentation, which can have devastating impacts on species and ecosystems.
Which of the following is NOT a benefit of biodiversity conservation?
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Increased resilience to climate change
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Improved air and water quality
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Increased risk of natural disasters
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Enhanced food security
C
Correct answer
Explanation
Biodiversity conservation has numerous benefits, including increased resilience to climate change, improved air and water quality, and enhanced food security. It does not, however, increase the risk of natural disasters.
What is the 'tragedy of the commons'?
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The overexploitation of a shared resource by individuals acting in their own self-interest
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The depletion of natural resources due to population growth
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The negative externalities caused by pollution
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The loss of biodiversity due to habitat destruction
A
Correct answer
Explanation
The tragedy of the commons refers to the situation where individuals acting in their own self-interest overexploit a shared resource, leading to its depletion or degradation.
Which of the following is a major 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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Invasive species
A
Correct answer
Explanation
Habitat destruction is a primary driver of biodiversity loss, as it reduces the availability of suitable habitats for species to survive.
What is the term used to describe the process of losing 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 process by which a species disappears from the Earth, while the other options are factors that can contribute to extinction.
Which of the following is NOT a threat to biodiversity?
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Habitat loss
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Invasive species
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Climate change
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Pollution
D
Correct answer
Explanation
Pollution is a threat to human health, but it is not a direct threat to biodiversity.
Which of the following is NOT a threat to biodiversity?
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Habitat loss
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Climate change
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Pollution
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Invasive species
Correct answer
Explanation
All of the options listed are threats to biodiversity.
What are some of the potential consequences of the Founder Effect for conservation?
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Increased susceptibility to disease.
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Reduced ability to adapt to environmental changes.
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Both A and B.
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None of the above.
C
Correct answer
Explanation
The Founder Effect can have several potential consequences for conservation. One is that it can increase the susceptibility of a population to disease. This is because the loss of genetic diversity can make it more difficult for the population to resist the effects of disease. Another potential consequence is that the Founder Effect can reduce the ability of a population to adapt to environmental changes. This is because the loss of genetic diversity can make it more difficult for the population to produce the necessary adaptations.
Which of the following is not a consequence of overexploitation of natural resources?
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Loss of biodiversity
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Pollution
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Climate change
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Economic growth
D
Correct answer
Explanation
Overexploitation of natural resources can lead to negative economic consequences, such as resource depletion and reduced productivity.
Which group of organisms is most vulnerable to the impacts of overexploitation?
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Producers
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Consumers
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Decomposers
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Top predators
D
Correct answer
Explanation
Top predators are often the most affected by overexploitation, as they rely on lower trophic levels for food and are more susceptible to population declines.
Which of these is a common threat to wildlife in safari destinations?
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Poaching
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Overgrazing by livestock
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Deforestation
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All of the above
D
Correct answer
Explanation
Poaching, overgrazing by livestock, and deforestation are all major threats to wildlife in safari destinations.
What are some of the potential consequences of disrupting the natural evolution of life on other planets?
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The extinction of native species.
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The alteration of planetary ecosystems.
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The spread of disease to native organisms.
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All of the above.
D
Correct answer
Explanation
Disrupting the natural evolution of life on other planets could have a number of potential consequences, including the extinction of native species, the alteration of planetary ecosystems, and the spread of disease to native organisms.