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 factor that contributes to the stability of alpine ecosystems?

  1. High levels of biodiversity

  2. Low levels of endemism

  3. Harsh environmental conditions

  4. Long history of human disturbance
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A long history of human disturbance can reduce the stability of alpine ecosystems.

Multiple choice

How does low endemism contribute to the stability of alpine ecosystems?

  1. It makes the ecosystem more vulnerable to climate change.

  2. It reduces the risk of invasive species establishment.

  3. It increases the efficiency of nutrient cycling.

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Low endemism reduces the risk of invasive species establishment, which can help to protect alpine ecosystems from disturbance.

Multiple choice

What is the economic impact of water scarcity?

  1. Reduced agricultural productivity.

  2. Increased energy costs.

  3. Loss of biodiversity.

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

Water scarcity can have a significant economic impact, including reduced agricultural productivity, increased energy costs, and loss of biodiversity.

Multiple choice

What are some of the potential long-term consequences of ocean acidification if left unaddressed?

  1. It could lead to the extinction of certain marine species and a decline in biodiversity

  2. It could disrupt marine food webs and ecosystems, impacting the entire food chain

  3. It could lead to changes in ocean chemistry and affect the ability of the ocean to absorb carbon dioxide

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

If left unaddressed, ocean acidification could have long-term consequences such as the extinction of certain marine species, disruption of marine food webs and ecosystems, and changes in ocean chemistry affecting its ability to absorb carbon dioxide.

Multiple choice

What is the term used to describe the loss of biodiversity due to human activities?

  1. Biodiversity loss

  2. Extinction

  3. Habitat destruction

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

Biodiversity loss refers to the loss of biodiversity due to human activities, such as habitat destruction, pollution, and climate change.

Multiple choice

What is the primary cause of human-wildlife conflict?

  1. Habitat loss and fragmentation

  2. Climate change

  3. Overpopulation

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

Habitat loss and fragmentation due to human activities, such as deforestation, urbanization, and agriculture, are the leading cause of human-wildlife conflict.

Multiple choice

What are the main consequences of human-wildlife conflict?

  1. Loss of human life and property

  2. Loss of wildlife and biodiversity

  3. Economic losses

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

Human-wildlife conflict can result in loss of human life and property, loss of wildlife and biodiversity, and economic losses due to crop damage, livestock depredation, and tourism disruption.

Multiple choice

Which of the following is NOT a potential benefit of human-wildlife coexistence?

  1. Enhanced biodiversity

  2. Increased tourism revenue

  3. Improved human health and well-being

  4. Reduced economic losses
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Reduced economic losses is not a potential benefit of human-wildlife coexistence, as conflicts can still result in economic losses due to crop damage, livestock depredation, and tourism disruption.

Multiple choice

Which of the following is NOT a threat to wetlands?

  1. Pollution

  2. Climate change

  3. Habitat loss

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

Climate change is not a direct threat to wetlands. Pollution, habitat loss, and invasive species are all direct threats to wetlands.

Multiple choice

What was the central theme of the environmental film 'Blackfish'?

  1. The Impact of Climate Change on Marine Life

  2. The Dangers of Shark Attacks

  3. The Ethics of Keeping Orcas in Captivity

  4. The Importance of Marine Protected Areas
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The 2013 documentary film 'Blackfish' examined the ethics of keeping orcas in captivity, particularly in marine parks. It highlighted the psychological and physical toll on these intelligent animals and sparked a public debate about the welfare of captive orcas.

Multiple choice

What was the primary focus of the environmental film 'The End of the Line'?

  1. The Overfishing of Marine Species

  2. The Impact of Climate Change on Coral Reefs

  3. The Importance of Marine Protected Areas

  4. The Benefits of Sustainable Fishing Practices
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The 2009 documentary film 'The End of the Line' explored the issue of overfishing and its consequences for marine ecosystems and food security. It highlighted the need for sustainable fishing practices and the importance of protecting marine biodiversity.

Multiple choice

What are the primary consequences of permafrost degradation?

  1. Release of greenhouse gases

  2. Loss of biodiversity

  3. Coastal erosion

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

Permafrost degradation can lead to the release of greenhouse gases, loss of biodiversity, and coastal erosion, among other environmental impacts.

Multiple choice

Which of the following is NOT a common indicator of environmental vulnerability?

  1. Deforestation

  2. Water scarcity

  3. Air pollution

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

High levels of biodiversity is not a common indicator of environmental vulnerability. In fact, it is often seen as a positive factor that can help to protect an ecosystem from the effects of environmental change.

Multiple choice

Which of these factors is a significant threat to coral reefs worldwide?

  1. Overfishing

  2. Pollution

  3. Climate Change

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

Climate change, particularly rising ocean temperatures, poses a major threat to coral reefs, leading to coral bleaching and potentially causing widespread reef degradation.

Multiple choice

Which of the following is a potential consequence of permafrost thaw on human populations?

  1. Increased access to natural resources

  2. Displacement of indigenous communities

  3. Loss of cultural heritage

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

Permafrost thaw can have various impacts on human populations, including increased access to natural resources, displacement of indigenous communities, and loss of cultural heritage associated with permafrost environments.