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
Which of the following is a major threat to biodiversity in India?
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Habitat loss and fragmentation
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Pollution
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Climate change
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Invasive species
Correct answer
Explanation
Biodiversity in India is threatened by a combination of factors, including habitat loss and fragmentation, pollution, climate change, and invasive species.
Which of the following is NOT a potential negative impact of tourism on wildlife?
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Habitat destruction.
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Pollution.
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Overcrowding.
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Increased awareness of conservation issues.
D
Correct answer
Explanation
Tourism can potentially raise awareness about conservation issues, which can lead to positive outcomes for wildlife.
Which of the following is a negative impact of river flooding on human populations?
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Increased agricultural productivity
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Improved water quality
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Loss of life and property
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Enhanced biodiversity
C
Correct answer
Explanation
River flooding can have devastating impacts on human populations, including loss of life, damage to property and infrastructure, and disruption of livelihoods.
Which of the following is not a major threat to the biodiversity of the Deccan Plateau?
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Deforestation
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Pollution
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Climate change
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Invasive species
Correct answer
Explanation
All of the above are major threats to the biodiversity of the Deccan Plateau.
What is the primary cause of overfishing in coastal and marine ecosystems?
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Climate change
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Habitat destruction
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Population growth
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Technological advancements
D
Correct answer
Explanation
Technological advancements, such as the development of more efficient fishing gear, have made it easier for fishermen to catch large quantities of fish, leading to overfishing.
Which of the following human activities is the primary cause of habitat destruction in coastal and marine ecosystems?
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Agriculture
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Coastal development
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Oil and gas exploration
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Tourism
B
Correct answer
Explanation
Coastal development, such as the construction of seawalls, jetties, and marinas, is the primary cause of habitat destruction in coastal and marine ecosystems.
What are some of the consequences of overfishing in coastal and marine ecosystems?
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It can lead to the collapse of fish populations.
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It can disrupt food webs.
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It can harm marine habitats.
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All of the above
D
Correct answer
Explanation
Overfishing can lead to the collapse of fish populations, disrupt food webs, and harm marine habitats.
What are some of the consequences of habitat destruction in coastal and marine ecosystems?
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It can lead to the loss of biodiversity.
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It can disrupt food webs.
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It can make coastal communities more vulnerable to storms.
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All of the above
D
Correct answer
Explanation
Habitat destruction in coastal and marine ecosystems can lead to the loss of biodiversity, disrupt food webs, and make coastal communities more vulnerable to storms.
What are some of the challenges to protecting coastal and marine ecosystems?
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Pollution
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Overfishing
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Habitat destruction
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Climate change
Correct answer
Explanation
The challenges to protecting coastal and marine ecosystems include pollution, overfishing, habitat destruction, and climate change.
Which of the following is NOT a primary cause of species endangerment?
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Habitat loss and degradation
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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 problem, but it is not a primary cause of species endangerment. The primary causes of species endangerment are habitat loss and degradation, overexploitation, and climate change.
What are some of the challenges to preserving endangered species?
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Habitat loss and degradation
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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 preserving endangered species include habitat loss and degradation, overexploitation, pollution, and climate change.
Alpine forests are important for maintaining biodiversity and providing ecosystem services. However, they are facing threats due to:
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Climate change
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Deforestation
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Pollution
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All of the above
D
Correct answer
Explanation
Alpine forests are threatened by climate change, deforestation, pollution, and other human activities.
What is the primary cause of the decline in tiger populations?
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Habitat Destruction
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Climate Change
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Illegal Wildlife Trade
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Disease
A
Correct answer
Explanation
Habitat destruction and fragmentation due to human activities are the leading causes of tiger population decline.
What is the main threat to the survival of the Sumatran Orangutan?
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Deforestation
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Climate Change
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Poaching
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Disease
A
Correct answer
Explanation
Deforestation for palm oil plantations and logging is the primary cause of habitat loss for the Sumatran Orangutan.
What is the primary factor contributing to the decline of coral reefs worldwide?
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Climate Change
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Overfishing
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Pollution
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Coastal Development
A
Correct answer
Explanation
Climate change-induced ocean warming and acidification are the main drivers of coral reef degradation.