Environmental Studies ยท Biology

Ecology and Biodiversity

1,739 Questions

Ecology and biodiversity are vital topics in environmental studies, covering ecosystem structures, species diversity, and environmental impacts. These concepts are frequently tested in competitive examinations for civil services and state selections. The questions cover carrying capacity, ecological succession, and conservation fundamentals.

Species richness measurementTypes of ecological diversityBiome distribution factorsCarrying capacity conceptEcosystem servicesEnvironmental Impact Assessment

Ecology and Biodiversity Questions

Multiple choice

Which of the following is NOT a provisioning ecosystem service?

  1. Food

  2. Water

  3. Timber

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

Biodiversity is a regulating ecosystem service, not a provisioning service.

Multiple choice

What is the term used to describe the variety of ecosystems on Earth?

  1. Ecosystem Diversity

  2. Biodiversity

  3. Species Richness

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

Ecosystem diversity refers to the variety of ecosystems that exist on Earth, each with its own unique set of species, interactions, and environmental conditions.

Multiple choice

Which of the following is NOT a direct benefit of ecosystem diversity to human health?

  1. Reduced risk of chronic diseases

  2. Improved mental health and well-being

  3. Increased physical activity

  4. Reduced exposure to air pollution
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

While ecosystem diversity can indirectly contribute to reduced air pollution through the regulation of climate and the provision of clean water, it is not a direct benefit to human health in the same way as the other options.

Multiple choice

What is the term used to describe the variety of life on Earth?

  1. Biodiversity

  2. Ecosystem

  3. Habitat

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

Biodiversity refers to the variety of life on Earth, including the different species of plants, animals, and microorganisms, as well as the genetic variation within each species.

Multiple choice

Which of the following is NOT a major type of biodiversity?

  1. Genetic diversity

  2. Species diversity

  3. Ecosystem diversity

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

Functional diversity refers to the variety of roles that different species play in an ecosystem, such as their role in nutrient cycling, pollination, or seed dispersal. It is not a major type of biodiversity, but rather a measure of the diversity of functions performed by different species in an ecosystem.

Multiple choice

Which of the following is an example of how biodiversity can contribute to human health?

  1. Providing food and nutrition

  2. Producing medicines and drugs

  3. Regulating climate and air quality

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

Biodiversity contributes to human health in a variety of ways, including providing food and nutrition, producing medicines and drugs, regulating climate and air quality, and supporting ecosystem services such as pollination and water purification.

Multiple choice

What is the term for an assemblage that is created by combining found objects with living organisms?

  1. Bio assemblage

  2. Eco assemblage

  3. Environmental assemblage

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

Bio assemblage is a term used to describe an assemblage that is created by combining found objects with living organisms.

Multiple choice

What is the term used to describe the mathematical analysis of the stability of a population or ecological system?

  1. Bifurcation analysis

  2. Coexistence analysis

  3. Equilibrium analysis

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

Stability analysis is the mathematical analysis of the stability of a population or ecological system.

Multiple choice

What is the term used to describe the mathematical analysis of the dynamics of a population or ecological system?

  1. Bifurcation analysis

  2. Coexistence analysis

  3. Equilibrium analysis

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

Bifurcation analysis is the mathematical analysis of the dynamics of a population or ecological system.

Multiple choice

What is the term used to describe the mathematical analysis of the dynamics of a population or ecological system?

  1. Bifurcation analysis

  2. Coexistence analysis

  3. Equilibrium analysis

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

Bifurcation analysis is the mathematical analysis of the dynamics of a population or ecological system.

Multiple choice

Which of the following is NOT a key component of ecosystem diversity?

  1. Species diversity

  2. Genetic diversity

  3. Functional diversity

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

Ecosystem diversity encompasses species diversity (the variety of species within an ecosystem), genetic diversity (the genetic variation within a species), and functional diversity (the variety of roles that different species play in an ecosystem). Cultural diversity, while important for human society, is not a direct component of ecosystem diversity.

Multiple choice

What is the importance of ecosystem diversity for human health?

  1. Ecosystem diversity provides a source of food, water, and clean air.

  2. Ecosystem diversity contributes to the regulation of climate and water cycles.

  3. Ecosystem diversity provides a source of medicines and other natural products.

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

Ecosystem diversity is essential for human health as it provides a source of food, water, and clean air, contributes to the regulation of climate and water cycles, and provides a source of medicines and other natural products.

Multiple choice

Which of the following is NOT a key component of biodiversity?

  1. Genetic diversity

  2. Species diversity

  3. Ecosystem diversity

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

Cultural diversity is not a component of biodiversity, as it refers to the variety of human cultures and traditions.

Multiple choice

What is the term used to describe the ability of an ecosystem to maintain its equilibrium in the face of disturbances?

  1. Resilience

  2. Sustainability

  3. Biodiversity

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

Resilience is the ability of an ecosystem to absorb disturbances and still maintain its structure and function.

Multiple choice

What is the future of chemical ecology?

  1. Chemical ecology is a rapidly growing field

  2. Chemical ecology has the potential to revolutionize our understanding of the natural world

  3. Chemical ecology has the potential to lead to new technologies that benefit humans

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

Chemical ecology is a rapidly growing field with the potential to revolutionize our understanding of the natural world and lead to new technologies that benefit humans.