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 species are most affected by habitat loss?

  1. Endemic species

  2. Generalist species

  3. Pioneer species

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

Endemic species, which are restricted to a particular geographic area, are more vulnerable to habitat loss compared to generalist species that can adapt to a wider range of habitats.

Multiple choice

Which of the following is NOT a benefit of habitat restoration?

  1. Increased biodiversity

  2. Improved ecosystem services

  3. Reduced pollution

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

Habitat restoration aims to reverse the effects of habitat loss and fragmentation, leading to increased biodiversity, improved ecosystem services, and reduced pollution.

Multiple choice

What is the term used to describe the loss of species from an ecosystem?

  1. Habitat fragmentation

  2. Pollution

  3. Climate change

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

Extinction refers to the permanent disappearance of a species from the Earth. It can be caused by various factors, including habitat loss, overexploitation, pollution, and climate change.

Multiple choice

Which of the following is NOT a major threat to island ecosystems?

  1. Habitat destruction

  2. Invasive species

  3. Climate change

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

While overpopulation can be a problem on some islands, it is not a major threat to island ecosystems as a whole.

Multiple choice

What is the primary cause of the Great Barrier Reef's coral bleaching?

  1. Overfishing

  2. Pollution

  3. Climate change

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

Climate change, particularly rising ocean temperatures, is the primary cause of coral bleaching in the Great Barrier Reef.

Multiple choice

Which of the following is NOT a benefit of biodiversity?

  1. Increased ecosystem resilience

  2. Enhanced food security

  3. Improved air and water quality

  4. Reduced risk of natural disasters
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Biodiversity does not directly reduce the risk of natural disasters, although it can contribute to ecosystem resilience and the ability of ecosystems to recover from disturbances.

Multiple choice

Which of the following is NOT a direct benefit of biodiversity to humans?

  1. Food and fiber production

  2. Medicine and pharmaceuticals

  3. Climate regulation

  4. Air and water pollution
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Biodiversity provides a wide range of benefits, including food, medicine, climate regulation, and water purification. Air and water pollution are not direct benefits of biodiversity.

Multiple choice

Which of the following is NOT a major threat to biodiversity?

  1. Habitat loss and fragmentation

  2. Climate change

  3. Invasive species

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

While overpopulation can have indirect impacts on biodiversity, it is not considered a direct threat like habitat loss, climate change, and invasive species.

Multiple choice

Which of the following is NOT a consequence of biodiversity loss?

  1. Reduced ecosystem resilience

  2. Increased risk of disease outbreaks

  3. Loss of traditional knowledge

  4. Enhanced agricultural productivity
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Biodiversity loss typically leads to negative consequences, including reduced ecosystem resilience, increased disease outbreaks, and loss of traditional knowledge. Enhanced agricultural productivity is not a direct consequence of biodiversity loss.

Multiple choice

What is the term used to describe the loss of biodiversity due to human activities?

  1. Biodiversity Loss

  2. Habitat Destruction

  3. Climate Change

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

Biodiversity loss refers to the decline or disappearance of species, genetic diversity, and ecosystems as a result of human activities such as habitat destruction, climate change, and pollution.

Multiple choice

What are some threats to genetic diversity?

  1. Habitat loss.

  2. Pollution.

  3. Climate change.

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

Genetic diversity is threatened by habitat loss, pollution, and climate change.

Multiple choice

How can wind farms contribute to habitat fragmentation?

  1. By creating physical barriers

  2. By altering wind patterns

  3. By increasing noise levels

  4. By reducing air quality
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Wind farms can fragment habitats by creating physical barriers that impede the movement of wildlife.

Multiple choice

What is the primary concern regarding avian mortality caused by wind turbines?

  1. Loss of biodiversity

  2. Reduced hunting opportunities

  3. Economic losses for farmers

  4. Spread of disease among birds
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Avian mortality from wind turbines can lead to the loss of biodiversity and population declines of certain bird species.

Multiple choice

What are some of the positive effects of disturbance?

  1. It can create new habitats

  2. It can increase biodiversity

  3. It can promote the growth of new vegetation

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

Disturbance can have a number of positive effects on ecosystems. For example, it can create new habitats, increase biodiversity, promote the growth of new vegetation, and release nutrients into the soil.

Multiple choice

What are some of the negative effects of disturbance?

  1. It can destroy habitats

  2. It can cause soil erosion

  3. It can lead to the loss of biodiversity

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

Disturbance can also have a number of negative effects on ecosystems. For example, it can destroy habitats, cause soil erosion, lead to the loss of biodiversity, and release harmful pollutants into the environment.