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

Multiple choice

Which human activity is responsible for habitat destruction in coastal areas?

  1. Oil Spills

  2. Coastal Development

  3. Overfishing

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

Coastal development, including infrastructure projects and tourism resorts, is a major cause of habitat destruction in coastal areas.

Multiple choice

What is the primary cause of habitat destruction in tundra regions?

  1. Climate Change

  2. Oil and Gas Extraction

  3. Mining

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

Climate change, particularly rising temperatures and melting permafrost, is the primary cause of habitat destruction in tundra regions.

Multiple choice

How does overgrazing contribute to habitat destruction?

  1. Soil Erosion

  2. Loss of Biodiversity

  3. Water Pollution

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

Overgrazing by livestock can lead to soil erosion, loss of biodiversity due to reduced vegetation, and water pollution from animal waste, contributing to habitat destruction.

Multiple choice

Which human activity is a major cause of habitat destruction in mangrove forests?

  1. Aquaculture

  2. Oil Spills

  3. Coastal Development

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

Aquaculture, oil spills, and coastal development are all major causes of habitat destruction in mangrove forests.

Multiple choice

What is the impact of food waste on biodiversity?

  1. It contributes to deforestation

  2. It increases greenhouse gas emissions

  3. It depletes water resources

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

Food waste has a significant impact on biodiversity by contributing to deforestation, increasing greenhouse gas emissions, and depleting water resources.

Multiple choice

The Tragedy of the Commons is primarily concerned with:

  1. The overuse of renewable resources.

  2. The overuse of non-renewable resources.

  3. The overuse of both renewable and non-renewable resources.

  4. None of the above.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Tragedy of the Commons applies to both renewable and non-renewable resources. In the case of renewable resources, overuse can lead to their depletion beyond their natural rate of replenishment, while in the case of non-renewable resources, overuse can lead to their eventual exhaustion.

Multiple choice

The Tragedy of the Commons is a concept that has been applied to a wide range of environmental issues. Which of the following is NOT an example of a Tragedy of the Commons?

  1. Overfishing.

  2. Deforestation.

  3. Pollution.

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

Climate change is a global issue that is caused by the collective actions of individuals and societies, but it is not typically considered a Tragedy of the Commons in the same way that overfishing, deforestation, and pollution are.

Multiple choice

Which of the following is a key indicator of resilience in a riverine environment?

  1. High biodiversity

  2. Low water quality

  3. Extensive human development

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

High biodiversity in a riverine environment indicates a healthy ecosystem with a diverse range of species, which contributes to its resilience and ability to withstand disturbances.

Multiple choice

How does vegetation contribute to the resilience of a riverine environment?

  1. By reducing erosion

  2. By increasing water pollution

  3. By promoting invasive species

  4. By decreasing habitat diversity
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Vegetation in a riverine environment helps to reduce erosion by stabilizing the riverbanks and slowing down the flow of water, thereby protecting the ecosystem from degradation.

Multiple choice

What is the term for the loss of biodiversity?

  1. Extinction

  2. Habitat destruction

  3. Pollution

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

Extinction is the term for the loss of biodiversity, as species disappear due to various factors such as habitat destruction, pollution, and climate change.

Multiple choice

What is the impact of sand mining on biodiversity?

  1. It increases biodiversity.

  2. It has no impact on biodiversity.

  3. It decreases biodiversity.

  4. It increases the number of invasive species.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sand mining can destroy habitats and disrupt ecosystems, leading to a decline in biodiversity.

Multiple choice

Which of the following is NOT a common type of cumulative impact?

  1. Habitat loss and fragmentation

  2. Water pollution

  3. Air pollution

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

Climate change is a global phenomenon that is caused by the release of greenhouse gases into the atmosphere. While it can have significant environmental impacts, it is not typically considered a cumulative impact in the context of EIA, as it is not caused by a specific project or activity.

Multiple choice

How does human activity impact conservation?

  1. By overexploiting natural resources.

  2. By polluting the environment.

  3. By introducing invasive species.

  4. By destroying habitats.

  5. All of the above.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Human activity can impact conservation in a variety of ways, including by overexploiting natural resources, polluting the environment, introducing invasive species, and destroying habitats.

Multiple choice

What are some of the threats to biodiversity?

  1. Habitat loss.

  2. Pollution.

  3. Climate change.

  4. Invasive species.

  5. All of the above.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Biodiversity is threatened by a number of factors, including habitat loss, pollution, climate change, and invasive species.

Multiple choice

How does rising sea levels affect coastal ecosystems?

  1. Increased biodiversity

  2. Enhanced coral reef growth

  3. Loss of coastal wetlands

  4. Improved water quality
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Rising sea levels lead to the inundation and erosion of coastal wetlands, which are important ecosystems for biodiversity, storm protection, and carbon sequestration.