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 main cause of endangerment for most species in India?
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Habitat loss
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Poaching
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Climate change
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Pollution
A
Correct answer
Explanation
Habitat loss is the main cause of endangerment for most species in India, as it reduces the amount of space available for them to live and reproduce.
What is the difference between an endangered species and a threatened species?
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Endangered species are more likely to become extinct than threatened species
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Threatened species are more likely to become extinct than endangered species
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Endangered species are more likely to be found in protected areas than threatened species
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Threatened species are more likely to be found in protected areas than endangered species
A
Correct answer
Explanation
Endangered species are more likely to become extinct than threatened species, as they have a smaller population size and are more vulnerable to threats such as habitat loss and poaching.
What are some of the challenges to protecting endangered species in India?
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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
Habitat loss, poaching, and climate change are all challenges to protecting endangered species in India.
Which of the following is a major threat to coral reefs worldwide?
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Overfishing
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Climate Change
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Pollution
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All of the above
D
Correct answer
Explanation
Coral reefs face multiple threats, including overfishing, climate change-induced ocean acidification and warming, and pollution from various sources.
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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Pollution
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Climate change
C
Correct answer
Explanation
Pollution is a major environmental issue, but it is not a primary cause of species endangerment. Habitat loss and fragmentation, overexploitation, and climate change are the main drivers of species endangerment.
What are some of the challenges to species conservation?
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Habitat loss and fragmentation
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Overexploitation
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Pollution
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Climate change
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All of the above
E
Correct answer
Explanation
The challenges to species conservation include habitat loss and fragmentation, overexploitation, pollution, and climate change.
What are the consequences of species extinction?
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It can disrupt ecosystems
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It can lead to the loss of valuable resources
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It can make us more vulnerable to disease
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All of the above
D
Correct answer
Explanation
The consequences of species extinction include the disruption of ecosystems, the loss of valuable resources, and increased vulnerability to disease.
What are some factors that can affect habitat connectivity?
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Habitat fragmentation
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Climate change
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Pollution
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All of the above
Correct answer
Explanation
Habitat fragmentation, climate change, and pollution can all affect habitat connectivity. Habitat fragmentation is the process of breaking up a habitat into smaller and smaller pieces, which can make it difficult for species to move between them. Climate change can also affect habitat connectivity by changing the distribution of species and the availability of resources. Pollution can also affect habitat connectivity by making it difficult for species to survive in certain areas.
What are some specific examples of how habitat connectivity has benefited species?
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The increase in the population of the Florida panther
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The recovery of the California condor
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The expansion of the range of the gray wolf
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All of the above
Correct answer
Explanation
There are a number of specific examples of how habitat connectivity has benefited species. The population of the Florida panther has increased as a result of the creation of wildlife corridors. The California condor has recovered as a result of the restoration of degraded habitats. The range of the gray wolf has expanded as a result of the reduction of habitat fragmentation.
Which of the following is NOT a major threat to endangered species?
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Habitat loss
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Climate change
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Pollution
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Natural selection
D
Correct answer
Explanation
Natural selection is a natural process that leads to the survival of the fittest individuals in a population. It is not a major threat to endangered species, as it does not cause their populations to decline.
Which of the following is an example of a habitat loss?
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Deforestation
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Urbanization
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Agriculture
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All of the above
D
Correct answer
Explanation
Deforestation, urbanization, and agriculture are all human activities that can lead to the loss of natural habitats. This can have a devastating impact on endangered species, as they may lose their homes and sources of food.
Which of the following is an example of a successful conservation effort for an endangered species?
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The California condor
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The black-footed ferret
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The giant panda
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All of the above
D
Correct answer
Explanation
The California condor, the black-footed ferret, and the giant panda are all examples of endangered species that have been successfully brought back from the brink of extinction through conservation efforts.
Which of the following is NOT a category on the IUCN Red List?
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Extinct
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Critically endangered
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Endangered
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Vulnerable
A
Correct answer
Explanation
Extinct is not a category on the IUCN Red List. The categories on the IUCN Red List are Critically Endangered, Endangered, Vulnerable, Near Threatened, Least Concern, and Data Deficient.
Which of the following is an example of a critically endangered species?
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The Amur leopard
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The Sumatran orangutan
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The Javan rhinoceros
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All of the above
D
Correct answer
Explanation
The Amur leopard, the Sumatran orangutan, and the Javan rhinoceros are all examples of critically endangered species. Critically endangered species are those that are at extremely high risk of extinction in the wild.
Which of the following is an example of an endangered species?
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The African elephant
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The Bengal tiger
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The giant panda
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All of the above
D
Correct answer
Explanation
The African elephant, the Bengal tiger, and the giant panda are all examples of endangered species. Endangered species are those that are at high risk of extinction in the wild.