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 benefits that humans derive from biodiversity?

  1. Ecosystem Services

  2. Biodiversity Benefits

  3. Nature's Benefits

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

Ecosystem Services is the term used to describe the benefits that humans derive from biodiversity.

Multiple choice

What is the term used to describe the role that biodiversity plays in supporting human well-being?

  1. Biodiversity and Human Well-being

  2. Biodiversity and Human Health

  3. Biodiversity and Food Security

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

Biodiversity and Human Well-being is the term used to describe the role that biodiversity plays in supporting human well-being.

Multiple choice

Which of the following is a key principle of permaculture?

  1. Diversity

  2. Interconnectedness

  3. Closed loops

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

Permaculture is based on the principles of diversity, interconnectedness, and closed loops. Diversity refers to the variety of plants and animals in a system, interconnectedness refers to the relationships between these organisms, and closed loops refer to the cycling of resources within the system.

Multiple choice

What is the term for a permaculture design that integrates trees, shrubs, and ground covers in a multi-layered system?

  1. Forest gardening

  2. Food forest

  3. Agroforestry

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

Perennial polyculture is a permaculture design that integrates trees, shrubs, and ground covers in a multi-layered system. This system mimics the structure of a natural forest and can provide a variety of benefits, including food, shelter, and habitat for wildlife.

Multiple choice

What is the term for a permaculture design that uses a variety of plants to create a self-sustaining ecosystem?

  1. Food forest

  2. Permaculture garden

  3. Agroforestry

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

A food forest is a permaculture design that uses a variety of plants to create a self-sustaining ecosystem. This system mimics the structure of a natural forest and can provide a variety of benefits, including food, shelter, and habitat for wildlife.

Multiple choice

What is the relationship between the Earth's obliquity and the Earth's biodiversity?

  1. The Earth's obliquity causes the Earth to have more biodiversity.

  2. The Earth's obliquity causes the Earth to have less biodiversity.

  3. The Earth's obliquity has no effect on the Earth's biodiversity.

  4. The Earth's obliquity causes the Earth to have different types of biodiversity.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Earth's obliquity has no effect on the Earth's biodiversity because the Earth's biodiversity is determined by the Earth's climate, geography, and history.

Multiple choice

Which of the following is NOT a direct use value of biodiversity?

  1. Food

  2. Medicine

  3. Recreation

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

Carbon sequestration is an indirect use value of biodiversity as it refers to the role of ecosystems in absorbing and storing carbon dioxide from the atmosphere, contributing to climate change mitigation.

Multiple choice

How can keystone species affect ecosystem processes?

  1. They can influence nutrient cycling

  2. They can regulate water flow and quality

  3. They can affect the rate of decomposition

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

Keystone species can influence nutrient cycling, regulate water flow and quality, and affect the rate of decomposition, thereby shaping ecosystem processes.

Multiple choice

What is the term used to describe the disproportionately large impact of keystone species on their ecosystems relative to their abundance?

  1. Keystone effect

  2. Trophic cascade

  3. Ecosystem engineering

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

The term 'keystone effect' is used to describe the disproportionately large impact that keystone species have on their ecosystems relative to their abundance.

Multiple choice

Which concept in the ontology of biological entities refers to the idea that organisms are embedded in and interact with their environment?

  1. Ecology

  2. Reductionism

  3. Mechanism

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

Ecology emphasizes the importance of understanding the interactions between organisms and their environment, including the role of abiotic and biotic factors.

Multiple choice

What is the term used to describe the intricate network of interconnected coral reefs, forming a vast underwater ecosystem?

  1. Coral Archipelago

  2. Coral Colony

  3. Coral Formation

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

Coral seascape refers to the interconnected network of coral reefs, creating a diverse and vibrant underwater ecosystem.

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

  3. Habitat

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

Biodiversity encompasses 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 a major type of biodiversity?

  1. Species diversity

  2. Genetic diversity

  3. Ecosystem diversity

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

Cultural diversity is not a major type of biodiversity. Species diversity, genetic diversity, and ecosystem diversity are the three main types of biodiversity.

Multiple choice

The concept of 'biodiversity' refers to:

  1. The variety of life on Earth

  2. The number of species on Earth

  3. The genetic diversity within species

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

Biodiversity encompasses the variety of life on Earth, including the number of species, the genetic diversity within species, and the ecosystems in which they exist.

Multiple choice

The concept of 'ecological footprint' refers to:

  1. The amount of land and water required to produce the resources consumed by an individual, organization, or country

  2. The amount of energy consumed by an individual, organization, or country

  3. The amount of waste produced by an individual, organization, or country

  4. The amount of water consumed by an individual, organization, or country
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An ecological footprint is a measure of the amount of land and water required to produce the resources consumed by an individual, organization, or country, taking into account the impacts of these activities on the environment.