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 an example of a provisioning ecosystem service?

  1. Food production

  2. Water supply

  3. Climate regulation

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

Climate regulation is considered a regulating ecosystem service, as it involves the regulation of climate patterns and processes.

Multiple choice

What is the concept of acoustic ecology, and how does it relate to audio monitoring?

  1. The study of the relationship between sound and the environment

  2. The study of the effects of sound on human health

  3. The study of the use of sound in music and art

  4. The study of the design and construction of audio equipment
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Acoustic ecology is the study of the relationship between sound and the environment, including the interactions between sound, organisms, and their habitats. Audio monitoring plays a crucial role in acoustic ecology by providing data on the soundscapes of various environments.

Multiple choice

Which of the following is NOT an ecosystem service?

  1. Pollination

  2. Climate regulation

  3. Water purification

  4. Fossil fuel extraction
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Fossil fuel extraction is not an ecosystem service because it does not provide any benefit to humans or the environment.

Multiple choice

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

  1. Clean air

  2. Fresh water

  3. Pollination

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

All of the above are examples of ecosystem services.

Multiple choice

What is the economic value of ecosystem services?

  1. Trillions of dollars per year

  2. Billions of dollars per year

  3. Millions of dollars per year

  4. Thousands of dollars per year
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The economic value of ecosystem services is estimated to be in the trillions of dollars per year.

Multiple choice

What is the term used to describe the interconnectedness of all living things on Earth?

  1. Biodiversity

  2. Ecosystem

  3. Biosphere

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

The biosphere is the term used to describe the interconnectedness of all living things on Earth, including their interactions with the non-living components of the environment.

Multiple choice

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

  1. Biodiversity

  2. Ecology

  3. Conservation

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

Biodiversity refers to the vast array of living organisms, including plants, animals, and microorganisms, that inhabit our planet.

Multiple choice

The process by which nutrients are cycled between living organisms and their environment is known as:

  1. Biogeochemical cycle

  2. Hydrological cycle

  3. Carbon cycle

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

A biogeochemical cycle is the process by which nutrients are cycled between living organisms and their environment.

Multiple choice

What are some examples of ecosystem services provided by biodiversity?

  1. Pollination of crops

  2. Regulation of water quality

  3. Carbon sequestration

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

Biodiversity provides a wide range of ecosystem services, including pollination of crops, regulation of water quality, and carbon sequestration.

Multiple choice

The ecological niche of a species refers to:

  1. The physical environment in which it lives

  2. The role it plays in the community

  3. The resources it utilizes

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

The ecological niche of a species encompasses all of the above factors, including the physical environment, the role it plays in the community, and the resources it utilizes.

Multiple choice

The carrying capacity of an environment refers to:

  1. The maximum population size that can be sustained by the environment

  2. The minimum population size that can be sustained by the environment

  3. The average population size that can be sustained by the environment

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

The carrying capacity of an environment is the maximum population size that can be sustained by the environment without causing degradation or depletion of resources.

Multiple choice

The concept of keystone species refers to:

  1. Species that have a disproportionately large impact on their ecosystem relative to their abundance

  2. Species that are essential for the survival of other species in their ecosystem

  3. Species that are particularly vulnerable to extinction

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

Keystone species are species that have a disproportionately large impact on their ecosystem relative to their abundance, are essential for the survival of other species in their ecosystem, and are particularly vulnerable to extinction.

Multiple choice

Which of the following is NOT a type of ecological succession:

  1. Primary succession

  2. Secondary succession

  3. Climax community

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

Pioneer species are not a type of ecological succession, but rather the first species to colonize an area after a disturbance.

Multiple choice

Which of the following is NOT a type of biodiversity:

  1. Species diversity

  2. Genetic diversity

  3. Ecosystem diversity

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

Functional diversity is not a type of biodiversity, but rather a measure of the variety of roles that different species play in an ecosystem.