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 factor is NOT considered a consequence of environmental degradation?

  1. Climate Change

  2. Loss of Biodiversity

  3. Improved Air Quality

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

Improved Air Quality is not a consequence of environmental degradation, as it typically leads to increased pollution and respiratory health issues.

Multiple choice

Which of the following is a consequence of coral bleaching?

  1. Reduced coral growth

  2. Increased susceptibility to disease

  3. Loss of biodiversity

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

Coral bleaching can lead to reduced coral growth, increased susceptibility to disease, loss of biodiversity, and other negative consequences for coral reef ecosystems.

Multiple choice

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

  1. Habitat fragmentation

  2. Species extinction

  3. Ecosystem degradation

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

Biodiversity depletion refers to the reduction in the variety of life on Earth, including the loss of species, habitats, and genetic diversity, primarily driven by human activities such as habitat destruction, pollution, and overexploitation.

Multiple choice

What is the primary threat to wetlands worldwide?

  1. Climate change

  2. Pollution

  3. Habitat destruction

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

Wetlands face multiple threats, including climate change, pollution, and habitat destruction due to human activities such as urbanization, agriculture, and industrial development.

Multiple choice

Which of the following factors can affect the carrying capacity of an environment?

  1. Resource Availability

  2. Competition

  3. Predation

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

Resource availability, competition, and predation can all impact the carrying capacity of an environment.

Multiple choice

What is the main threat to biodiversity?

  1. Habitat Loss and Fragmentation

  2. Climate Change

  3. Pollution

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

Habitat loss and fragmentation is the main threat to biodiversity because it reduces the amount of habitat available for species, making them more vulnerable to extinction.

Multiple choice

What are the main challenges to ecosystem services and biodiversity conservation?

  1. Habitat loss and fragmentation

  2. Climate change

  3. Pollution

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

Habitat loss and fragmentation, climate change, pollution, and invasive species are all major challenges to ecosystem services and biodiversity conservation.

Multiple choice

Which of the following is a major environmental concern in polar regions?

  1. Global warming

  2. Ocean acidification

  3. Loss of biodiversity

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

Polar regions are particularly vulnerable to the effects of global warming, ocean acidification, and loss of biodiversity. These environmental concerns are having a significant impact on the ecosystems and people of polar regions.

Multiple choice

Which human activity is considered a major threat to coral reefs?

  1. Overfishing

  2. Pollution

  3. Climate change

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

Overfishing, pollution, climate change, and unsustainable tourism are all major threats to coral reefs, causing coral bleaching, habitat destruction, and reduced biodiversity.

Multiple choice

What are some of the potential negative impacts of coastal and marine tourism?

  1. Pollution and environmental degradation

  2. Overcrowding and congestion

  3. Loss of biodiversity and habitat destruction

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

Coastal and marine tourism can have several negative impacts, including pollution and environmental degradation, overcrowding and congestion, and loss of biodiversity and habitat destruction.

Multiple choice

What is the primary cause of the current extinction crisis?

  1. Habitat loss and fragmentation

  2. Climate change

  3. Overexploitation

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

Habitat loss and fragmentation are the leading causes of the current extinction crisis, as they destroy and degrade natural habitats, making it difficult for species to survive.

Multiple choice

What is the term used to describe the rapid decline of a species' population?

  1. Population crash

  2. Mass extinction

  3. Endangered species

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

A population crash is a rapid and significant decline in the population size of a species, often caused by environmental factors or human activities.

Multiple choice

Invasive species can impact endangered species through:

  1. Competition for resources

  2. Predation

  3. Habitat modification

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

Invasive species can impact endangered species through competition for resources such as food and habitat, predation, and habitat modification. They can also transmit diseases to endangered species, leading to population declines.

Multiple choice

The introduction of the Nile perch to Lake Victoria in Africa resulted in:

  1. Increased biodiversity

  2. Decline of native fish species

  3. Improved water quality

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

The introduction of the Nile perch to Lake Victoria led to the decline of over 200 native fish species due to competition for food and habitat.

Multiple choice

Invasive species can contribute to the extinction of endangered species by:

  1. Direct competition for resources

  2. Habitat destruction and modification

  3. Introduction of diseases and parasites

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

Invasive species can contribute to the extinction of endangered species through direct competition for resources, habitat destruction and modification, and the introduction of diseases and parasites, leading to population declines and increased vulnerability to extinction.