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 concept of carrying capacity in the context of environmental stewardship?

  1. The maximum population size that an environment can support without degradation

  2. The rate at which natural resources are replenished

  3. The ability of an ecosystem to absorb and recover from human activities

  4. The amount of pollution that an environment can tolerate without harm
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Carrying capacity refers to the maximum population size or level of human activity that an environment can sustain without causing irreversible damage or degradation.

Multiple choice

What is the concept of ecological footprint in environmental stewardship?

  1. The amount of land and resources required to sustain a person's lifestyle

  2. The rate at which natural resources are being depleted

  3. The level of pollution generated by a person's activities

  4. The impact of human activities on biodiversity
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Ecological footprint is a measure of the amount of land and resources required to sustain a person's lifestyle, taking into account their consumption of goods and services, as well as the waste they generate.

Multiple choice

Which of the following is a type of freshwater ecosystem?

  1. Lake

  2. River

  3. Pond

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

Lakes, rivers, and ponds are all types of freshwater ecosystems that support a variety of aquatic plants and animals.

Multiple choice

Which of the following is a type of human-made ecosystem?

  1. Farm

  2. City

  3. Park

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

Farms, cities, and parks are all examples of human-made ecosystems that have been created and maintained by humans.

Multiple choice

What is the term used to describe the maximum population size that an environment can sustain?

  1. Carrying Capacity

  2. Population Density

  3. Environmental Impact

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

Carrying capacity refers to the maximum population size that an environment can support without experiencing resource depletion or degradation.

Multiple choice

Which of the following is NOT a 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 diversity of human cultures and traditions.

Multiple choice

What is the term used to describe the interconnectedness and interdependence of species within an ecosystem?

  1. Biodiversity

  2. Ecosystem services

  3. Food web

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

Food web refers to the interconnectedness and interdependence of species within an ecosystem, as it illustrates the feeding relationships and energy flow between different organisms.

Multiple choice

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

  1. Food

  2. Water

  3. Fuel

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

Biodiversity is an ecological concept that refers to the variety of life forms on Earth. While it is essential for the functioning of ecosystems, it is not directly considered a provisioning service as it does not provide tangible resources or benefits to humans.

Multiple choice

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

  1. Pollination

  2. Water purification

  3. Climate regulation

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

Mining is an extractive activity that does not provide any direct benefit to the environment.

Multiple choice

What is the term used to describe the economic value of ecosystem services?

  1. Gross Domestic Product (GDP)

  2. Natural Capital

  3. Ecosystem Service Value (ESV)

  4. Total Economic Value (TEV)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

TEV is the sum of all the economic benefits that can be derived from an ecosystem.

Multiple choice

Which ecosystem service is most directly related to the provision of food?

  1. Pollination

  2. Water purification

  3. Climate regulation

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

Pollination is essential for the production of many fruits, vegetables, and other crops.

Multiple choice

Which of the following is NOT a principle of ecosystem management?

  1. Adaptive management

  2. Precautionary principle

  3. Polluter pays principle

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

Economic efficiency is not a principle of ecosystem management, although it can be a factor in decision-making.

Multiple choice

What is the term for a community of organisms and their physical environment?

  1. Ecosystem

  2. Habitat

  3. Population

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

An ecosystem is a community of organisms and their physical environment, including the interactions between them.

Multiple choice

What is the term for a group of organisms of the same species living in the same area?

  1. Population

  2. Community

  3. Ecosystem

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

A population is a group of organisms of the same species living in the same area.

Multiple choice

What is the term for a large-scale community of organisms and their environment?

  1. Biome

  2. Ecosystem

  3. Habitat

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

A biome is a large-scale community of organisms and their environment, characterized by similar climate, vegetation, and animal life.