Environmental Studies · 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

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.

Multiple choice

What is the main threat to the survival of the Sumatran Orangutan?

  1. Habitat loss due to deforestation

  2. Poaching

  3. Climate change

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

The Sumatran Orangutan faces the greatest threat from habitat loss due to deforestation for palm oil plantations and other agricultural activities.

Multiple choice

What is the primary reason for the decline in the population of African Elephants?

  1. Habitat loss

  2. Poaching

  3. Climate change

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

Poaching for ivory is the main driver of the decline in African Elephant populations.

Multiple choice

What is the main threat to the survival of the Amur Leopard?

  1. Habitat loss

  2. Poaching

  3. Climate change

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

Poaching for its fur is the primary threat to the survival of the Amur Leopard.

Multiple choice

What is the primary threat to the survival of the Mountain Gorilla?

  1. Habitat loss

  2. Poaching

  3. Climate change

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

Habitat loss due to deforestation and agricultural expansion is the main threat to the survival of the Mountain Gorilla.

Multiple choice

What is the ecological impact of fish migration barriers?

  1. Increased genetic diversity

  2. Enhanced fish populations

  3. Improved water quality

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

Fish migration barriers can lead to the fragmentation of fish populations, reducing genetic diversity and increasing the risk of extinction.

Multiple choice

What is the ecological impact of reduced downstream sediment load?

  1. Increased erosion

  2. Habitat degradation

  3. Loss of biodiversity

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

Reduced downstream sediment load can lead to increased erosion, habitat degradation, and the loss of biodiversity.

Multiple choice

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

  1. Deforestation

  2. Pollution

  3. Extinction

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

Extinction is the term used to describe the loss of biodiversity. This occurs when a species is no longer able to survive in its natural habitat and dies out.

Multiple choice

How does coastal erosion impact coastal communities?

  1. Loss of property and infrastructure

  2. Increased flooding and storm damage

  3. Loss of natural habitats and biodiversity

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

Coastal erosion can have a devastating impact on coastal communities, leading to loss of property and infrastructure, increased flooding and storm damage, and loss of natural habitats and biodiversity.

Multiple choice

What is the term used to describe the loss of biodiversity due to climate change?

  1. Climate change-induced biodiversity loss

  2. Climate-related biodiversity loss

  3. Climate-driven biodiversity loss

  4. Climate-associated biodiversity loss
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Climate change-induced biodiversity loss refers to the loss of biodiversity that is directly caused by climate change.

Multiple choice

Which of the following is an example of a climate change-induced biodiversity loss?

  1. The decline of coral reefs due to ocean acidification

  2. The northward migration of certain bird species

  3. The increase in the population of certain invasive species

  4. The adaptation of certain plant species to new climates
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The decline of coral reefs due to ocean acidification is an example of a climate change-induced biodiversity loss because ocean acidification is caused by the absorption of carbon dioxide from the atmosphere, which is a result of climate change.