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 NOT a potential impact of climate change on endangered species?

  1. Shifts in Species Distribution

  2. Increased Frequency of Extreme Weather Events

  3. Enhanced Habitat Suitability

  4. Disruption of Migration Patterns
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Climate change is generally expected to have negative impacts on endangered species, including shifts in species distribution, increased frequency of extreme weather events, and disruption of migration patterns. Enhanced habitat suitability is not a likely outcome.

Multiple choice

Which of these is NOT a major challenge faced by wildlife sanctuaries and national parks in India?

  1. Habitat loss and fragmentation

  2. Poaching and illegal wildlife trade

  3. Climate change and habitat degradation

  4. Overgrazing by livestock
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Overgrazing by livestock is not a major challenge faced by wildlife sanctuaries and national parks in India. The other options are all significant threats to wildlife and their habitats.

Multiple choice

What is the primary cause of habitat loss and fragmentation in wildlife sanctuaries and national parks in India?

  1. Deforestation for agriculture

  2. Mining and quarrying

  3. Urbanization and infrastructure development

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

Habitat loss and fragmentation in wildlife sanctuaries and national parks in India are primarily caused by deforestation for agriculture, mining and quarrying, and urbanization and infrastructure development.

Multiple choice

What is the main reason for the decline in elephant populations in India?

  1. Habitat loss and fragmentation

  2. Poaching for ivory

  3. Human-elephant conflict

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

The decline in elephant populations in India is primarily due to habitat loss and fragmentation, poaching for ivory, and human-elephant conflict.

Multiple choice

What is the primary cause of human-wildlife conflict in India?

  1. Habitat loss and fragmentation

  2. Competition for resources

  3. Expansion of human settlements

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

Human-wildlife conflict in India is primarily caused by habitat loss and fragmentation, competition for resources, and the expansion of human settlements.

Multiple choice

How does industrialization contribute to the loss of biodiversity?

  1. By introducing invasive species

  2. By creating new habitats for wildlife

  3. By reducing pollution levels

  4. By increasing the availability of food resources
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Industrial activities can lead to the introduction of non-native species into new environments, which can outcompete native species and disrupt ecosystems.

Multiple choice

Which of the following is an example of a challenge to promoting ecosystem services?

  1. Climate change

  2. Pollution

  3. Habitat loss

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

Climate change, pollution, and habitat loss are all examples of challenges to promoting ecosystem services because they can damage or destroy ecosystems, resulting in the loss of ecosystem services.

Multiple choice

Which of the following is NOT a major threat to coral reefs?

  1. Climate change

  2. Overfishing

  3. Pollution

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

Coral bleaching is a symptom of stress experienced by corals, often caused by elevated water temperatures or pollution. It is not a direct threat to coral reefs, but rather a consequence of other stressors.

Multiple choice

Which of the following is NOT a major threat to the survival of coral reefs?

  1. Climate change

  2. Overfishing

  3. Pollution

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

Natural disasters, such as hurricanes and tsunamis, can cause damage to coral reefs, but they are not considered a major threat to their survival compared to human-induced stressors like climate change and pollution.

Multiple choice

What is the main focus of environmental activism in the Antarctic region?

  1. Climate change impacts

  2. Overfishing

  3. Pollution

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

Environmental activists in the Antarctic region are primarily concerned with the effects of climate change, such as melting ice sheets, rising sea levels, and disruptions to ecosystems.

Multiple choice

Which of the following is a major threat to river and lake biodiversity?

  1. Climate change

  2. Pollution

  3. Habitat destruction

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

Pollution from industrial waste, agricultural runoff, and sewage discharge poses a significant threat to the health of river and lake ecosystems.

Multiple choice

Which of the following is a key challenge to biodiversity conservation in India?

  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

Habitat loss, pollution, and climate change are all key challenges to biodiversity conservation in India. Habitat loss is caused by deforestation, urbanization, and other forms of land use change. Pollution can contaminate water, air, and soil, and can harm wildlife. Climate change is causing the Earth's temperature to rise, which can lead to changes in precipitation patterns, sea level rise, and other disruptions to ecosystems.

Multiple choice

Which of the following beverages is the most likely to be associated with biodiversity loss?

  1. Juice

  2. Milk

  3. Soda

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

Juice production is often associated with biodiversity loss, as the cultivation of fruit trees can contribute to deforestation and the loss of habitat for wildlife. Milk, soda, and water production can also be associated with biodiversity loss, but to a lesser extent than juice.

Multiple choice

What is the main reason for the decline of near threatened species in India?

  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

Near threatened species in India are declining due to a combination of factors, including habitat loss, pollution, and climate change.

Multiple choice

What are the economic consequences of desertification?

  1. Loss of agricultural productivity

  2. Loss of biodiversity

  3. Loss of tourism revenue

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

Desertification can have significant economic consequences, including loss of agricultural productivity, loss of biodiversity, and loss of tourism revenue.