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

What are some of the environmental impacts of upwelling?

  1. Increased primary productivity

  2. Increased fish populations

  3. Increased seabird populations

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

Upwelling has a number of positive environmental impacts, including increased primary productivity, increased fish populations, and increased seabird populations. These impacts are all due to the increased availability of nutrients in the upwelled water.

Multiple choice

What is the impact of climate change on India's biodiversity?

  1. It is causing species to lose their habitats.

  2. It is leading to the extinction of species.

  3. It is disrupting the food chain and ecosystem balance.

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

Climate change is having a significant impact on India's biodiversity, causing species to lose their habitats, leading to the extinction of species, and disrupting the food chain and ecosystem balance.

Multiple choice

What is the potential downside of species translocation as a climate adaptation strategy?

  1. Increased Genetic Diversity

  2. Reduced Habitat Fragmentation

  3. Enhanced Species' Adaptive Capacity

  4. Introduction of Invasive Species
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Species translocation can potentially lead to the introduction of invasive species into new habitats, which can compete with native species for resources and threaten their survival.

Multiple choice

What are some of the threats to cultural landscapes?

  1. Climate change.

  2. Pollution.

  3. Development.

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

Cultural landscapes are threatened by a variety of factors, including climate change, pollution, and development.

Multiple choice

Which of the following is a threat to desert biodiversity?

  1. Climate change

  2. Deforestation

  3. Pollution

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

Climate change, deforestation, and pollution are all threats to desert biodiversity. Climate change is causing deserts to become hotter and drier, which is making it difficult for plants and animals to survive. Deforestation is removing habitat for desert species. Pollution is contaminating the air, water, and soil, which is also harming desert species.

Multiple choice

Which of the following is NOT a threat to desert ecosystems?

  1. Climate change

  2. Deforestation

  3. Pollution

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

Climate change, deforestation, and pollution are all threats to desert ecosystems. Overgrazing is not a threat to desert ecosystems.

Multiple choice

What is the term used to describe the loss of biodiversity?

  1. Habitat Fragmentation

  2. Extinction

  3. Endangered Species

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

Extinction refers to the complete disappearance of a species from the Earth.

Multiple choice

What are some of the potential negative impacts of ecotourism?

  1. Environmental degradation

  2. Cultural erosion

  3. Economic exploitation

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

Ecotourism can have a number of potential negative impacts, including environmental degradation, cultural erosion, and economic exploitation.

Multiple choice

Which geographical model is used to analyze the impact of land use changes on biodiversity in India?

  1. Land Use Change Model

  2. Habitat Suitability Model

  3. Species Distribution Model

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

All of the mentioned models are used to analyze the impact of land use changes on biodiversity.

Multiple choice

What is the primary cause of the decline in coral reef health globally?

  1. Climate change

  2. Overfishing

  3. Pollution

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

Coral reefs are threatened by a combination of climate change, overfishing, pollution, and other human activities.

Multiple choice

What is the primary cause of habitat destruction?

  1. Climate change

  2. Pollution

  3. Human activities

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

Human activities such as deforestation, urbanization, and agriculture are the primary causes of habitat destruction.

Multiple choice

Which of the following is a common indicator of habitat destruction?

  1. Deforestation

  2. Fragmentation of habitat

  3. Loss of biodiversity

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

Deforestation, fragmentation of habitat, and loss of biodiversity are all common indicators of habitat destruction.

Multiple choice

What are some of the consequences of habitat destruction?

  1. Loss of biodiversity

  2. Climate change

  3. Soil erosion

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

Habitat destruction can lead to loss of biodiversity, climate change, soil erosion, and other negative consequences.

Multiple choice

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

  1. Overfishing

  2. Climate change

  3. Pollution

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

Overfishing is a major threat to coral reefs, as it disrupts the delicate balance of the ecosystem. However, it is not a direct threat to coral reefs, unlike climate change, pollution, and coral bleaching, which can cause significant damage and degradation to coral reef ecosystems.

Multiple choice

What is the primary cause of coral bleaching, a phenomenon that leads to the loss of coral color and vitality?

  1. Increased water temperature

  2. Pollution

  3. Overfishing

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

Coral bleaching is primarily caused by increased water temperature, often due to climate change. When water temperatures rise above the optimal range for coral survival, they expel the symbiotic algae that provide them with nutrients and color, leading to coral bleaching and potential death.