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 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

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 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.

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.