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

Multiple choice

Which of the following is a major threat to wildlife in national parks and wildlife sanctuaries?

  1. Poaching

  2. Habitat loss

  3. Disease

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

Poaching, habitat loss, and disease are all major threats to wildlife in national parks and wildlife sanctuaries.

Multiple choice

What are some of the challenges facing national parks and wildlife sanctuaries in India?

  1. Poaching

  2. Habitat loss

  3. Climate change

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

Poaching, habitat loss, and climate change are all major challenges facing national parks and wildlife sanctuaries in India.

Multiple choice

Which of the following is NOT a potential consequence of climate change-related natural disasters on ecosystems?

  1. Loss of biodiversity

  2. Habitat destruction

  3. Changes in species distribution

  4. Improved ecosystem health
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Climate change-related natural disasters can lead to loss of biodiversity, habitat destruction, and changes in species distribution, but they do not improve ecosystem health.

Multiple choice

Which of the following is NOT a cause of genetic erosion?

  1. Habitat loss

  2. Fragmentation

  3. Overexploitation

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

Gene flow is not a cause of genetic erosion. Habitat loss, fragmentation, and overexploitation are all causes of genetic erosion.

Multiple choice

Which of the following is a major threat to the biodiversity of the Western Ghats?

  1. Deforestation

  2. Climate change

  3. Pollution

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

Deforestation, climate change, and pollution are all major threats to the biodiversity of the Western Ghats.

Multiple choice

What are some of the challenges faced by wildlife sanctuaries and national parks in fulfilling their cultural significance?

  1. Encroachment and habitat loss due to human activities.

  2. Poaching and illegal wildlife trade.

  3. Climate change and its impacts on ecosystems.

  4. Insufficient funding and resources for conservation efforts.
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Wildlife sanctuaries and national parks face a number of challenges in fulfilling their cultural significance, including encroachment and habitat loss due to human activities, poaching and illegal wildlife trade, climate change and its impacts on ecosystems, and insufficient funding and resources for conservation efforts.

Multiple choice

Mass extinctions are:

  1. Events in which a large number of species become extinct in a short period of time

  2. Events in which a large number of species become extinct over a long period of time

  3. Events in which a small number of species become extinct in a short period of time

  4. Events in which a small number of species become extinct over a long period of time
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Mass extinctions are events in which a large number of species become extinct in a short period of time, typically due to a catastrophic event such as an asteroid impact or a volcanic eruption.

Multiple choice

How does deforestation affect biodiversity?

  1. Loss of Habitat

  2. Reduced Genetic Diversity

  3. Increased Species Extinction

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

Deforestation results in loss of habitat, reduced genetic diversity, and increased species extinction, posing a significant threat to biodiversity.

Multiple choice

Which of the following is a potential impact of mining on biodiversity?

  1. Habitat Loss

  2. Pollution

  3. Invasive Species

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

Habitat loss is a potential impact of mining on biodiversity. Mining activities can destroy or fragment natural habitats, leading to the loss of biodiversity and the displacement of wildlife.

Multiple choice

Which of the following is NOT a potential consequence of ocean acidification for marine ecosystems?

  1. Damage to coral reefs.

  2. Reduced availability of food for marine organisms.

  3. Increased biodiversity in marine ecosystems.

  4. More acidic conditions in the ocean.
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Ocean acidification is generally expected to have negative consequences for marine ecosystems, such as damage to coral reefs and reduced availability of food for marine organisms. Increased biodiversity in marine ecosystems is not a potential consequence of ocean acidification.

Multiple choice

Which of the following is an example of a threatened ecosystem?

  1. The Amazon rainforest

  2. The Great Barrier Reef

  3. The Serengeti

  4. The Arctic tundra
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A threatened ecosystem is an ecosystem that is at risk of being destroyed or degraded. The Amazon rainforest is an example of a threatened ecosystem because it is being cleared for logging, agriculture, and mining.

Multiple choice

What is the ethical significance of the loss of biodiversity?

  1. The loss of biodiversity has no ethical implications

  2. The loss of biodiversity reduces the resilience of ecosystems and threatens human well-being

  3. The loss of biodiversity is a natural process and does not warrant any ethical concern

  4. The loss of biodiversity is a minor issue compared to other global problems
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The loss of biodiversity has significant ethical implications because it reduces the resilience of ecosystems, threatens human well-being, and undermines the intrinsic value of nature. It raises questions about our responsibility to protect biodiversity and to ensure a sustainable future for all.

Multiple choice

Which of the following is NOT a negative impact of coastal and marine tourism?

  1. Pollution

  2. Overfishing

  3. Habitat destruction

  4. Increased awareness of marine conservation
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Increased awareness of marine conservation is a positive impact of coastal and marine tourism.

Multiple choice

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

  1. Food

  2. Medicine

  3. Recreation

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

Climate regulation is not a direct benefit of coastal and marine ecosystems to humans.

Multiple choice

What is the primary cause of species extinction today?

  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 is the leading cause of species extinction today, as it destroys and degrades natural habitats, making it difficult for species to survive.