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 an example of a non-market valuation method for ecosystem services?

  1. Market valuation

  2. Replacement cost

  3. Hedonic pricing

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

Willingness to pay is a non-market valuation method for ecosystem services, as it involves asking individuals how much they are willing to pay for a particular ecosystem service.

Multiple choice

Which of the following is NOT a type of ecosystem service?

  1. Provisioning services

  2. Regulating services

  3. Cultural services

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

Supporting services are not a type of ecosystem service, as they are the underlying processes that maintain the functioning of ecosystems and provide the basis for other ecosystem services.

Multiple choice

Which of the following is an example of a provisioning ecosystem service?

  1. Carbon sequestration

  2. Water purification

  3. Pollination of crops

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

Pollination of crops is an example of a provisioning ecosystem service, as it provides a direct benefit to humans by enabling the production of food.

Multiple choice

Which of the following is an example of a regulating ecosystem service?

  1. Carbon sequestration

  2. Water purification

  3. Pollination of crops

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

Carbon sequestration is an example of a regulating ecosystem service, as it helps to regulate the climate by removing carbon dioxide from the atmosphere.

Multiple choice

What is endemism?

  1. The occurrence of a species in a particular geographic area and nowhere else

  2. The occurrence of a species in multiple geographic areas

  3. The occurrence of a species in a particular habitat and nowhere else

  4. The occurrence of a species in multiple habitats
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Endemism is the ecological state of a species being unique to a defined geographic location, such as an island, nation, or other defined zone, or habitat type.

Multiple choice

What is the relationship between endemism and biodiversity?

  1. Endemism is a measure of biodiversity

  2. Biodiversity is a measure of endemism

  3. Endemism and biodiversity are independent of each other

  4. Endemism and biodiversity are positively correlated
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Endemism and biodiversity are positively correlated, meaning that areas with high levels of endemism also tend to have high levels of biodiversity.

Multiple choice

What is the primary focus of the philosophy of microbiomics?

  1. The nature of microbial communities

  2. The relationship between microbes and their hosts

  3. The ethical implications of microbiome research

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

The philosophy of microbiomics encompasses a wide range of topics, including the nature of microbial communities, the relationship between microbes and their hosts, and the ethical implications of microbiome research.

Multiple choice

How does the pollination of wildflowers by insects contribute to the regulation of ecosystems?

  1. Enhanced Carbon Sequestration

  2. Increased Soil Fertility

  3. Improved Water Quality

  4. Reduced Air Pollution
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Pollination by insects facilitates the reproduction of wildflowers, leading to increased seed production and plant growth. This contributes to increased soil fertility as plants add organic matter and nutrients to the soil.

Multiple choice

Which of the following is NOT a regulating service provided by ecosystems?

  1. Climate Regulation

  2. Water Purification

  3. Pollination

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

Decomposition is a process by which organic matter is broken down by microorganisms, releasing nutrients back into the environment. While decomposition is an important ecological process, it is not typically considered a regulating service provided by ecosystems.

Multiple choice

Which of the following is a component of environmental identity?

  1. Place attachment

  2. Biospheric values

  3. Environmental concern

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

Environmental identity encompasses various components, including place attachment, biospheric values, and environmental concern.

Multiple choice

What are biospheric values?

  1. Values that prioritize the preservation of the natural world for its own sake.

  2. Values that emphasize the importance of human well-being and economic growth.

  3. Values that focus on the sustainable use of natural resources.

  4. Values that promote the conservation of biodiversity.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Biospheric values are those that prioritize the intrinsic value of the natural world, independent of its utility to humans.

Multiple choice

What is the term used to describe the variety of life on Earth, including the different species of plants, animals, and microorganisms, as well as the ecosystems in which they live?

  1. Biodiversity

  2. Ecosystem Services

  3. Conservation

  4. Sustainability
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 ecosystems in which they live.

Multiple choice

Which of the following is NOT an example of an ecosystem service?

  1. Pollination of plants by insects

  2. Purification of water by wetlands

  3. Production of food by agriculture

  4. Extraction of fossil fuels
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Extraction of fossil fuels is not an ecosystem service, as it does not provide any benefit to the environment.

Multiple choice

What is the term for a permaculture design that uses small-scale water features to create a microclimate and provide habitat for wildlife?

  1. Swale

  2. Keyline design

  3. Forest garden

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

A pond is a permaculture design that uses small-scale water features to create a microclimate and provide habitat for wildlife.

Multiple choice

What is the concept of 'biocultural diversity' in environmental anthropology?

  1. The variety of life forms and ecosystems on Earth

  2. The diversity of human cultures and languages

  3. The interconnectedness between biological and cultural diversity

  4. The relationship between human activities and environmental change
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Biocultural diversity refers to the complex relationship between biological diversity and cultural diversity, recognizing that cultural practices and beliefs can influence and be influenced by the natural environment.