Environmental Studies · 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

Multiple choice

What is the term used to describe the illegal trade of wildlife?

  1. Poaching

  2. Trafficking

  3. Smuggling

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Poaching, trafficking, and smuggling are all terms used to describe the illegal trade of wildlife.

Multiple choice

What is the term used to describe the loss of biodiversity?

  1. Extinction

  2. Habitat loss

  3. Climate change

  4. Pollution
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Extinction is the term used to describe the loss of biodiversity, as it refers to the disappearance of species from the Earth.

Multiple choice

Which of the following is not a threat to endangered species?

  1. Habitat loss

  2. Climate change

  3. Pollution

  4. Invasive species
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Invasive species are not a threat to endangered species, as they are not a natural part of the ecosystem and can compete with native species for resources.

Multiple choice

Which of the following is NOT a potential ecological impact of mining and quarrying?

  1. Habitat destruction

  2. Biodiversity loss

  3. Water scarcity

  4. Climate change
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Climate change is not a direct ecological impact of mining and quarrying, but it can be an indirect impact due to the release of greenhouse gases during mining and quarrying operations.

Multiple choice

Which of the following is NOT a benefit of biodiversity?

  1. Increased ecosystem resilience

  2. Enhanced ecosystem productivity

  3. Reduced risk of disease outbreaks

  4. Increased food security
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Reduced risk of disease outbreaks is not a benefit of biodiversity, but rather a benefit of ecosystem services provided by biodiversity.

Multiple choice

What is the primary cause of species extinction in recent times?

  1. Habitat Loss and Fragmentation

  2. Climate Change

  3. Pollution

  4. Overexploitation
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Habitat loss and fragmentation, primarily driven by human activities such as deforestation, urbanization, and agriculture, is the leading cause of species extinction in recent times.

Multiple choice

What is the term used to describe the illegal trade of wildlife and wildlife products?

  1. Poaching

  2. Trafficking

  3. Smuggling

  4. Exploitation
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Trafficking refers to the illegal trade of wildlife and wildlife products, which poses a significant threat to endangered species and undermines conservation efforts.

Multiple choice

Which of the following is a major threat to coral reefs worldwide?

  1. Overfishing

  2. Climate change

  3. Pollution

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Coral reefs face multiple threats, including overfishing, climate change-induced ocean acidification and warming, and pollution from various sources.

Multiple choice

What is the term used to describe the loss of biodiversity?

  1. Habitat destruction.

  2. Pollution.

  3. Climate change.

  4. Extinction.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Extinction refers to the irreversible loss of a species from the Earth, often as a result of human activities and environmental changes.

Multiple choice

Which of the following is NOT a benefit of biodiversity?

  1. Increased resilience to environmental changes.

  2. Enhanced ecosystem services.

  3. Reduced risk of natural disasters.

  4. Increased pollution levels.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Biodiversity contributes to ecosystem stability and resilience, providing numerous benefits such as clean air and water, pollination, and protection from natural disasters.

Multiple choice

What are the main threats to coral reefs?

  1. Climate change

  2. Pollution

  3. Overfishing

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Climate change, pollution, and overfishing are all major threats to coral reefs. Climate change is causing the ocean to become warmer and more acidic, which can stress and kill coral polyps. Pollution can contaminate the water and harm coral reefs. Overfishing can reduce the number of fish that eat algae, which can lead to an overgrowth of algae and smother coral reefs.

Multiple choice

What is the future of coral reefs?

  1. Bleaching

  2. Death

  3. Recovery

  4. Adaptation
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The future of coral reefs is uncertain. Climate change is causing coral reefs to bleach and die. However, some coral reefs are adapting to climate change and are able to survive in warmer waters. The future of coral reefs depends on our ability to reduce greenhouse gas emissions and protect coral reefs from other threats.

Multiple choice

Which of the following is NOT a threat to coastal and marine ecosystems?

  1. Overfishing

  2. Pollution

  3. Climate change

  4. Deforestation
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Deforestation is a threat to terrestrial ecosystems, while overfishing, pollution, and climate change are threats to coastal and marine ecosystems.

Multiple choice

Which of the following is NOT a major threat to coral reefs?

  1. Climate change

  2. Overfishing

  3. Pollution

  4. Natural disasters
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

While natural disasters can cause damage to coral reefs, they are not considered a major threat compared to human activities such as climate change, overfishing, and pollution.

Multiple choice

Which of the following is a major factor contributing to the decline of pollinators, such as bees and butterflies?

  1. Habitat loss

  2. Pesticide use

  3. Climate change

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The decline of pollinators is a complex issue influenced by multiple factors, including habitat loss due to deforestation and urbanization, the use of pesticides that harm pollinators, and the impacts of climate change on their生存.