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

What is the primary threat to coral reefs worldwide, leading to their degradation and potential extinction?

  1. Overfishing

  2. Pollution

  3. Climate Change

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

Climate change, particularly rising sea temperatures and ocean acidification, poses the most significant threat to coral reefs globally. These changes disrupt the delicate balance of coral ecosystems, leading to coral bleaching and reduced reef resilience.

Multiple choice

What are some of the challenges faced by National Parks and Wildlife Sanctuaries in climate change mitigation?

  1. Deforestation and forest degradation

  2. Climate change impacts on ecosystems

  3. Invasive species

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

National Parks and Wildlife Sanctuaries face a number of challenges in climate change mitigation, including deforestation and forest degradation, climate change impacts on ecosystems, and invasive species.

Multiple choice

How does marine debris impact marine ecosystems?

  1. Disrupts marine food webs

  2. Alters marine habitats

  3. Introduces invasive species

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

Marine debris can disrupt marine food webs by introducing harmful substances into the environment, alter marine habitats by accumulating on beaches and coral reefs, and introduce invasive species by providing a means of transport for non-native organisms.

Multiple choice

Which of the following is NOT a direct threat to endangered marine species?

  1. Overfishing

  2. Habitat destruction

  3. Climate change

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

Responsible ecotourism, when conducted sustainably and ethically, does not pose a direct threat to endangered marine species. In fact, it can contribute to conservation efforts by raising awareness and generating revenue for conservation initiatives.

Multiple choice

What is the primary cause of biodiversity loss in areas affected by dams and irrigation projects?

  1. Habitat loss and fragmentation

  2. Pollution

  3. Overexploitation of resources

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

Dams and irrigation projects can lead to habitat loss and fragmentation, which can disrupt ecological processes and reduce biodiversity.

Multiple choice

Which of the following is NOT an environmental impact of resource depletion?

  1. Deforestation and habitat loss

  2. Air and water pollution

  3. Climate change and global warming

  4. Increased biodiversity and ecosystem resilience
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Resource depletion typically leads to negative environmental impacts, such as deforestation, pollution, and climate change. Increased biodiversity and ecosystem resilience are not typically associated with resource depletion.

Multiple choice

Which of the following is NOT a potential consequence of resource depletion on the environment?

  1. Deforestation

  2. Biodiversity loss

  3. Climate change

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

Economic growth is not a direct consequence of resource depletion, although it can be a contributing factor.

Multiple choice

Which of the following is a major threat to the biodiversity of Himalayan forests?

  1. Habitat Fragmentation

  2. Invasive Species

  3. Overgrazing

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

Habitat fragmentation, invasive species, and overgrazing are all significant threats to the biodiversity of Himalayan forests.

Multiple choice

Which of the following is a major challenge in managing the Himalayan forests?

  1. Climate Change

  2. Habitat Fragmentation

  3. Overgrazing

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

Climate change, habitat fragmentation, and overgrazing are all significant challenges in managing the Himalayan forests and ensuring their long-term conservation.

Multiple choice

What is the primary cause of overfishing?

  1. Increased demand for seafood

  2. Habitat destruction

  3. Climate change

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

The primary cause of overfishing is the increasing demand for seafood, driven by population growth and rising affluence.

Multiple choice

Which of the following is NOT a common theme explored in environmental photojournalism?

  1. Climate change and its effects.

  2. Pollution and waste management.

  3. Deforestation and habitat loss.

  4. Fashion trends and consumerism.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Fashion trends and consumerism, while related to environmental issues, are not typically the focus of environmental photojournalism, which primarily concentrates on the impact of human activities on the natural world.

Multiple choice

Which human activity is a major contributor to coral bleaching and reef degradation?

  1. Overfishing

  2. Pollution

  3. Climate change

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

Climate change, particularly rising sea temperatures, is a major contributor to coral bleaching and reef degradation.

Multiple choice

What is the name of the process by which a species becomes extinct due to changes in its environment?

  1. Extinction

  2. Endangered Species

  3. Threatened Species

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

Extinction is the process by which a species becomes extinct due to changes in its environment.

Multiple choice

Grasslands in India are facing threats such as:

  1. Habitat Loss

  2. Climate Change

  3. Invasive Species

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

Grasslands in India are threatened by habitat loss, climate change, and the introduction of invasive species.

Multiple choice

What is the impact of noise pollution on wildlife?

  1. Habitat Disturbance

  2. Stress and Anxiety

  3. Reduced Reproductive Success

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

Noise pollution can disturb wildlife habitats, causing stress and anxiety, and affecting reproductive success.