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

What is the primary threat to coral reefs, causing widespread bleaching and degradation?

  1. Overfishing

  2. Pollution

  3. Climate Change

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

Climate change, particularly rising sea temperatures, is the primary threat to coral reefs, leading to widespread coral bleaching and degradation, endangering the delicate balance of marine ecosystems.

Multiple choice

What is the primary reason for the decline in populations of beneficial insects, such as bees, in agricultural areas?

  1. Habitat loss

  2. Climate change

  3. Pesticide use

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

The decline in populations of beneficial insects, such as bees, in agricultural areas is attributed to a combination of factors, including habitat loss, climate change, and the use of pesticides, which can directly harm these insects or indirectly affect their food sources and habitats.

Multiple choice

What factors contributed to the extinction of the Great Andamanese Family?

  1. European colonization

  2. Diseases

  3. Natural disasters

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

The extinction of the Great Andamanese Family was caused by a combination of factors, including European colonization, the introduction of diseases, and natural disasters.

Multiple choice

How does the uneven distribution of population impact the environment?

  1. It leads to increased pressure on natural resources

  2. It contributes to environmental degradation and pollution

  3. It disrupts ecosystems and biodiversity

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

The uneven distribution of population can lead to increased pressure on natural resources, contribute to environmental degradation and pollution, and disrupt ecosystems and biodiversity.

Multiple choice

What is the primary threat to the conservation of nuts and seeds in natural habitats?

  1. Climate change

  2. Habitat destruction

  3. Overexploitation

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

Nuts and seeds face multiple threats to their conservation in natural habitats. Climate change, habitat destruction, and overexploitation are significant factors contributing to the decline of these plant parts. Climate change alters temperature and precipitation patterns, affecting the distribution and survival of nut- and seed-bearing plants. Habitat destruction, such as deforestation, reduces the availability of suitable habitats for these plants. Overexploitation, driven by commercial demand, can lead to unsustainable harvesting practices, depleting natural populations.

Multiple choice

Which of the following is NOT a challenge faced by conservation efforts in Indian wildlife sanctuaries and national parks?

  1. Habitat loss and fragmentation

  2. Poaching

  3. Climate change

  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 conservation efforts in Indian wildlife sanctuaries and national parks.

Multiple choice

Which of the following is NOT a key challenge faced by wildlife conservation efforts in Indian wildlife sanctuaries and national parks?

  1. Habitat loss and fragmentation

  2. Poaching

  3. Climate change

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

Overpopulation is not a key challenge faced by wildlife conservation efforts in Indian wildlife sanctuaries and national parks.

Multiple choice

What is the tragedy of the commons?

  1. The overexploitation of a shared resource due to individual incentives

  2. The depletion of natural resources due to population growth

  3. The pollution of the environment due to industrialization

  4. The loss of biodiversity due to habitat destruction
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The tragedy of the commons refers to the situation where individuals acting in their own self-interest overuse a shared resource, leading to its depletion or degradation.

Multiple choice

What is the primary economic impact of coastal erosion?

  1. Loss of property and infrastructure

  2. Increased tourism revenue

  3. Improved water quality

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

Coastal erosion can lead to the loss of property and infrastructure, such as homes, businesses, roads, and bridges, which can have significant economic consequences.

Multiple choice

Which of the following is NOT a potential benefit of coastal erosion?

  1. Creation of new wetlands

  2. Improved water quality

  3. Increased biodiversity

  4. Reduced flooding risk
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Coastal erosion typically increases the risk of flooding, as it removes natural barriers that protect coastal areas from storm surges and flooding.

Multiple choice

Which artist collaborated with scientists to create the 'The Ocean Cleanup' project?

  1. Boyan Slat

  2. Sylvia Earle

  3. David Attenborough

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

Boyan Slat, a Dutch inventor and environmentalist, collaborated with scientists to create 'The Ocean Cleanup' project, which aims to remove plastic waste from the oceans using advanced technologies.

Multiple choice

What is the primary impact of climate change on forest biodiversity?

  1. Increased genetic diversity

  2. Enhanced species resilience

  3. Reduced habitat fragmentation

  4. Loss of biodiversity
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Climate change can lead to the loss of biodiversity in forests due to habitat loss, altered environmental conditions, and increased vulnerability to pests and diseases.

Multiple choice

Which of the following is a major threat to marine birds due to climate change?

  1. Habitat Loss

  2. Increased Food Availability

  3. Stable Breeding Patterns

  4. Enhanced Migration Routes
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Climate change is leading to habitat loss for marine birds as rising sea levels inundate coastal areas and alter ecosystems.

Multiple choice

What is the primary cause of habitat loss for marine birds due to climate change?

  1. Deforestation

  2. Urbanization

  3. Rising Sea Levels

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

Rising sea levels, a consequence of climate change, inundate coastal habitats and nesting sites, leading to habitat loss for marine birds.

Multiple choice

What are the main threats to tigers in India?

  1. Habitat loss

  2. Poaching

  3. Human-wildlife conflict

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

The main threats to tigers in India include habitat loss, poaching, human-wildlife conflict, and climate change.