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 potential consequence of low functional diversity?

  1. Reduced ecosystem resilience

  2. Increased susceptibility to environmental change

  3. Lower productivity

  4. Increased species richness
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Low functional diversity can lead to reduced ecosystem resilience, increased susceptibility to environmental change, and lower productivity, but it is not directly related to increased species richness.

Multiple choice

Which of the following is NOT a potential consequence of reduced functional diversity?

  1. Decreased ecosystem resilience

  2. Increased risk of species extinctions

  3. Reduced efficiency of ecosystem processes

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

Reduced functional diversity can lead to decreased ecosystem resilience, increased risk of species extinctions, and reduced efficiency of ecosystem processes. However, it does not directly lead to enhanced biodiversity.

Multiple choice

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

  1. Habitat fragmentation

  2. Overgrazing

  3. Climate change

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

Reforestation efforts, while beneficial for certain ecosystems, can pose a threat to grasslands by converting them into forests.

Multiple choice

Which of the following is a common threat to grassland ecosystems in tropical regions?

  1. Deforestation

  2. Overgrazing

  3. Permafrost melting

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

Deforestation, particularly for agriculture or development, is a major threat to grassland ecosystems in tropical regions, leading to habitat loss and fragmentation.

Multiple choice

Grasslands are threatened by:

  1. Climate change

  2. Habitat fragmentation

  3. Overgrazing

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

Grasslands face multiple threats, including climate change, habitat fragmentation due to human activities, and overgrazing by livestock.

Multiple choice

Grasslands provide a habitat for:

  1. Large predators

  2. Migratory birds

  3. Endangered species

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

Grasslands provide a habitat for a wide range of species, including large predators, migratory birds, and endangered species, contributing to the overall biodiversity of the ecosystem.

Multiple choice

Which of the following is NOT a potential impact of climate change on biodiversity?

  1. Habitat loss

  2. Species extinction

  3. Increased competition for resources

  4. Increased genetic diversity
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Climate change can lead to habitat loss, species extinction, and increased competition for resources. However, it does not directly lead to increased genetic diversity.

Multiple choice

What is the primary cause of species diversity loss in urban areas?

  1. Habitat destruction

  2. Climate change

  3. Pollution

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

Urbanization often involves the conversion of natural habitats into built-up areas, leading to the loss of essential habitats for many species.

Multiple choice

Which of the following is NOT a challenge associated with conserving biodiversity in urban areas?

  1. Habitat fragmentation

  2. Pollution

  3. Climate change

  4. Lack of public awareness
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

While public awareness is important for conservation efforts, it is not typically considered a challenge unique to urban areas.

Multiple choice

Which of the following is NOT a potential consequence of reduced species diversity in urban areas?

  1. Increased risk of disease outbreaks

  2. Reduced ecosystem resilience

  3. Loss of cultural and aesthetic value

  4. Increased food production
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Reduced species diversity in urban areas is typically associated with negative consequences, but it does not directly lead to increased food production.

Multiple choice

Which of the following is a major threat to marine fisheries?

  1. Overfishing

  2. Pollution

  3. Climate Change

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

Overfishing, pollution, and climate change are all major threats to marine fisheries, as they can lead to declines in fish populations and disruptions to marine ecosystems.

Multiple choice

How do disturbances affect ecological succession?

  1. They can set back succession

  2. They can accelerate succession

  3. They can change the direction of succession

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

Disturbances can affect ecological succession in a variety of ways. They can set back succession, accelerate succession, or change the direction of succession. The type of disturbance and the severity of the disturbance will determine how it affects succession.

Multiple choice

How can functional diversity affect ecosystem functioning?

  1. It can increase the stability of ecosystem processes

  2. It can increase the efficiency of resource use

  3. It can increase the resilience of ecosystems to disturbances

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

Functional diversity can affect ecosystem functioning in a number of ways. It can increase the stability of ecosystem processes by providing multiple species that can perform the same function. It can increase the efficiency of resource use by allowing different species to specialize on different resources. It can also increase the resilience of ecosystems to disturbances by providing a buffer against the loss of any one species.

Multiple choice

What are some of the consequences of a loss of functional diversity in ecosystems?

  1. Decreased ecosystem stability

  2. Decreased ecosystem productivity

  3. Increased vulnerability to disturbances

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

A loss of functional diversity in ecosystems can have a number of negative consequences. It can decrease ecosystem stability by reducing the number of species that can perform the same function. It can also decrease ecosystem productivity by reducing the efficiency of resource use. Finally, it can increase the vulnerability of ecosystems to disturbances by reducing the buffer against the loss of any one species.

Multiple choice

Which of the following is not a potential consequence of a loss of functional diversity in ecosystems?

  1. Increased ecosystem stability

  2. Increased ecosystem productivity

  3. Increased resilience to disturbances

  4. Decreased vulnerability to climate change
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A loss of functional diversity in ecosystems can have a number of negative consequences, including decreased ecosystem productivity, increased vulnerability to disturbances, and decreased resilience to climate change. However, it is not likely to lead to increased ecosystem stability.