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

What is the term used to describe the study of aquatic ecosystems and the organisms that inhabit them?

  1. Limnology

  2. Oceanography

  3. Hydrology

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

Limnology is the branch of ecology that focuses on the study of inland waters, including lakes, rivers, ponds, and wetlands.

Multiple choice

What is the term used to describe the study of the interactions between aquatic organisms and their environment?

  1. Ecophysiology

  2. Behavioral Ecology

  3. Community Ecology

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

Ecophysiology is the study of the physiological adaptations of aquatic organisms to their environment.

Multiple choice

What is the term used to describe the study of the distribution and abundance of aquatic organisms?

  1. Biogeography

  2. Population Ecology

  3. Community Ecology

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

Biogeography is the study of the distribution and abundance of aquatic organisms in relation to their environment.

Multiple choice

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

  1. Pollination of crops by insects

  2. Purification of water by wetlands

  3. Production of oxygen by forests

  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 because it does not provide any benefit to the environment. In fact, it can be harmful to the environment, as it can lead to pollution and climate change.

Multiple choice

Which ecosystem service is responsible for providing us with food?

  1. Pollination

  2. Water purification

  3. Climate regulation

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

Food production is an ecosystem service that provides us with the food we need to survive. This service is provided by plants, animals, and microorganisms that produce food through photosynthesis, respiration, and decomposition.

Multiple choice

Which ecosystem service is responsible for regulating the Earth's climate?

  1. Pollination

  2. Water purification

  3. Climate regulation

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

Climate regulation is an ecosystem service that helps to regulate the Earth's climate by absorbing and storing carbon dioxide, releasing oxygen, and reflecting sunlight.

Multiple choice

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

  1. Pollination

  2. Water purification

  3. Climate regulation

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

Climate regulation is an example of a regulating ecosystem service because it helps to regulate the Earth's climate by absorbing and storing carbon dioxide, releasing oxygen, and reflecting sunlight.

Multiple choice

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

  1. Pollination

  2. Water purification

  3. Climate regulation

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

Soil formation is an example of a supporting ecosystem service because it provides the foundation for all other ecosystem services. Soil is formed by the weathering of rocks and minerals, and it is essential for plant growth.

Multiple choice

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

  1. Pollination

  2. Water purification

  3. Food production

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

Food production is an example of a provisioning ecosystem service because it provides us with the food we need to survive. This service is provided by plants, animals, and microorganisms that produce food through photosynthesis, respiration, and decomposition.

Multiple choice

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

  1. Pollination

  2. Water purification

  3. Climate regulation

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

Climate regulation is an example of a regulating ecosystem service because it helps to regulate the Earth's climate by absorbing and storing carbon dioxide, releasing oxygen, and reflecting sunlight.

Multiple choice

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

  1. Pollination

  2. Water purification

  3. Climate regulation

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

Soil formation is an example of a supporting ecosystem service because it provides the foundation for all other ecosystem services. Soil is formed by the weathering of rocks and minerals, and it is essential for plant growth.

Multiple choice

Which field of science explores the interactions between organisms and their environment at the ecosystem level?

  1. Ecology

  2. Environmental Science

  3. Conservation Biology

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

Ecology is the branch of biology that studies the interactions between organisms and their environment at the ecosystem level, including the flow of energy and nutrients through ecosystems and the dynamics of populations and communities.

Multiple choice

What is the term used to describe the ability of an ecosystem to absorb and recover from environmental impacts?

  1. Resilience

  2. Carrying capacity

  3. Ecological footprint

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

Resilience is the term used to describe the ability of an ecosystem to absorb and recover from environmental impacts.

Multiple choice

What are some of the conditions necessary for the emergence of life?

  1. A habitable zone.

  2. A rocky planet.

  3. Liquid water.

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

The emergence of life requires a habitable zone, a rocky planet, and liquid water. These conditions are rare in the universe.

Multiple choice

What is the habitable zone?

  1. The region around a star where liquid water can exist.

  2. The region around a star where life can exist.

  3. The region around a star where planets can exist.

  4. The region around a star where stars can exist.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The habitable zone is the region around a star where liquid water can exist on the surface of a planet. This is a critical condition for the emergence of life.