Environmental Studies ยท Biology

Ecology and Biodiversity

1,737 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 a key factor influencing the diversity of an ecosystem?

  1. Climate

  2. Soil type

  3. Geographic location

  4. Human activities

  5. Interspecies competition
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Interspecies competition is not a direct factor influencing ecosystem diversity, although it can affect the abundance of different species within an ecosystem.

Multiple choice

What is the term used to describe the unique characteristics and adaptations of organisms within an ecosystem?

  1. Biodiversity

  2. Ecosystem Diversity

  3. Species Richness

  4. Genetic Diversity

  5. Habitat Diversity
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Habitat diversity refers to the variety of different habitats within an ecosystem, each with its own unique characteristics and adaptations.

Multiple choice

What is biodiversity, and why is it important?

  1. Biodiversity refers to the variety of life on Earth, including the diversity of species, ecosystems, and genes, and it is important for maintaining the balance and stability of ecosystems, providing ecosystem services, and ensuring the resilience of life on Earth.

  2. Biodiversity refers to the number of different species on Earth, and it is important for maintaining the balance and stability of ecosystems, providing ecosystem services, and ensuring the resilience of life on Earth.

  3. Biodiversity refers to the variety of life on Earth, including the diversity of species, ecosystems, and genes, and it is important for maintaining the balance and stability of ecosystems, providing ecosystem services, and ensuring the resilience of life on Earth.

  4. Biodiversity refers to the number of different species on Earth, and it is important for maintaining the balance and stability of ecosystems, providing ecosystem services, and ensuring the resilience of life on Earth.
Reveal answer Fill a bubble to check yourself
A,C Correct answer
Explanation

Biodiversity encompasses the variety of life on Earth, including the diversity of species, ecosystems, and genes. It is crucial for maintaining the balance and stability of ecosystems, providing essential ecosystem services such as food, water, and pollination, and ensuring the resilience of life on Earth in the face of environmental changes and challenges.

Multiple choice

What is the term used to describe the variety of life on Earth, including the different species of plants, animals, and microorganisms?

  1. Biodiversity

  2. Ecosystem

  3. Habitat

  4. Population
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 genetic variation within each species.

Multiple choice

What is the term used to describe the interactions between living organisms and their physical environment?

  1. Ecology

  2. Ecosystem

  3. Habitat

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

Ecology is the study of the interactions between living organisms and their physical environment.

Multiple choice

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

  1. Food

  2. Water

  3. Timber

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

Biodiversity is not a provisioning service, but rather a supporting service that underpins the provision of all other ecosystem services.

Multiple choice

What is the term for the process of identifying plants based on their ecological interactions?

  1. Community ecology

  2. Population ecology

  3. Ecosystem ecology

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

Community ecology is the study of the interactions between plants and other organisms in their environment, and it can be used to identify plants based on their ecological roles.

Multiple choice

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

  1. Food

  2. Water

  3. Shelter

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

Biodiversity is a supporting service provided by ecosystems, which underpins the provision of all other ecosystem services, including provisioning services.

Multiple choice

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

  1. Food

  2. Water

  3. Fiber

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

Biodiversity is a supporting service provided by ecosystems, while food, water, and fiber are provisioning services.

Multiple choice

What is the term used to describe the ability of an ecosystem to recover from disturbances?

  1. Resilience

  2. Sustainability

  3. Biodiversity

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

Resilience refers to the ability of an ecosystem to withstand and recover from disturbances, such as natural disasters or human activities.

Multiple choice

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

  1. Carrying capacity

  2. Ecological footprint

  3. Biodiversity

  4. Resilience
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 degradation or resource depletion.

Multiple choice

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

  1. Species diversity

  2. Functional diversity

  3. Genetic diversity

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

Landscape diversity refers to the variety of ecosystems within a region, while the other options refer to the diversity within a single ecosystem.

Multiple choice

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

  1. Ecology

  2. Ecosystem services

  3. Biodiversity

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

Ecology is the study of the interactions between organisms and their environment, including the flow of energy and nutrients through ecosystems.

Multiple choice

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

  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 a human activity, while the other options are examples of ecosystem services provided by natural ecosystems.

Multiple choice

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

  1. Ecology

  2. Biogeography

  3. Conservation biology

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

Biogeography is the study of the distribution and abundance of organisms, while the other options are related to the study of ecosystems and populations.