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 term used to describe the high rate of species extinction that is often observed on islands?

  1. Island extinction

  2. Mass extinction

  3. Endemism

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

Island extinction refers to the phenomenon where species on islands are more likely to go extinct than species on mainland populations.

Multiple choice

Which of the following factors contributes to the high rate of island extinction?

  1. Isolation from mainland populations

  2. Limited access to resources

  3. Vulnerability to natural disasters

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

All of the above factors contribute to the high rate of island extinction.

Multiple choice

Which of the following is an example of an invasive species that has had a negative impact on island ecosystems?

  1. The cane toad in Hawaii

  2. The brown tree snake in Guam

  3. The feral pig in New Zealand

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

All of the above are examples of invasive species that have had a negative impact on island ecosystems.

Multiple choice

Which of the following is NOT a major threat to wildlife in Indian Wildlife Sanctuaries and National Parks?

  1. Habitat loss and fragmentation

  2. Poaching

  3. Climate change

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

Overgrazing is not a major threat to wildlife in Indian Wildlife Sanctuaries and National Parks. It is primarily an issue in rangelands and agricultural areas.

Multiple choice

Which of the following is a consequence of desertification?

  1. Loss of biodiversity

  2. Increased food insecurity

  3. Water scarcity

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

Desertification can lead to a loss of biodiversity, increased food insecurity, and water scarcity. It can also make it more difficult for people to live in affected areas.

Multiple choice

Which of the following is a major driver of deforestation in the Amazon rainforest?

  1. Mining

  2. Logging

  3. Cattle ranching

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

Cattle ranching is a significant driver of deforestation in the Amazon rainforest, as large areas of forest are cleared to create grazing land for cattle.

Multiple choice

How does deforestation impact biodiversity?

  1. It increases species diversity

  2. It enhances habitat connectivity

  3. It reduces the risk of extinction

  4. It leads to a decline in species diversity
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Deforestation results in the loss of natural habitats, leading to a decline in species diversity and an increased risk of extinction for many plant and animal species.

Multiple choice

What is resource depletion?

  1. The gradual decrease in the availability of natural resources due to human activities.

  2. The increase in the demand for natural resources due to population growth.

  3. The substitution of natural resources with synthetic materials.

  4. The discovery of new natural resource reserves.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Resource depletion refers to the decline in the quantity or quality of natural resources over time due to human activities such as extraction, consumption, and pollution.

Multiple choice

Which of the following is a major threat to migratory species?

  1. Habitat loss and degradation

  2. Climate change

  3. Overexploitation

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

Migratory species face multiple threats, including habitat loss and degradation, climate change, overexploitation, and pollution. These threats can disrupt their migration patterns and have severe consequences for their survival.

Multiple choice

What is the primary cause of habitat loss and degradation for migratory species?

  1. Deforestation

  2. Urbanization

  3. Agriculture

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

Habitat loss and degradation for migratory species are primarily caused by deforestation, urbanization, agriculture, and mining. These activities destroy and fragment natural habitats, making it difficult for migratory species to survive and thrive.

Multiple choice

Which of the following is a major threat to tropical rainforests?

  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 tropical rainforests.

Multiple choice

Which of the following is a major challenge facing the conservation of tropical rainforests?

  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 challenges facing the conservation of tropical rainforests.

Multiple choice

Which of the following is NOT a potential negative environmental impact of tourism and pilgrimage?

  1. Habitat Destruction

  2. Overcrowding

  3. Increased Biodiversity

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

Increased biodiversity is not a potential negative environmental impact of tourism and pilgrimage.

Multiple choice

What are some of the potential risks and negative impacts of space exploration on indigenous peoples?

  1. Environmental damage to indigenous lands and resources

  2. Disruption of traditional livelihoods and cultural practices

  3. Exploitation of indigenous knowledge and resources without fair compensation

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

Space exploration can potentially have negative impacts on indigenous peoples, such as environmental damage, disruption of livelihoods, and exploitation of knowledge and resources.

Multiple choice

What are some of the challenges facing wildlife law in the future?

  1. Habitat loss

  2. Climate change

  3. Poaching

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

Wildlife law faces a number of challenges in the future, including habitat loss, climate change, and poaching.