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 functional role of a species within a community?

  1. Ecological niche

  2. Trophic level

  3. Habitat

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

The ecological niche of a species describes its functional role and position within a community, including its interactions with other species and its use of resources.

Multiple choice

What is the term used to describe the vertical arrangement of species within a community?

  1. Stratification

  2. Zonation

  3. Layering

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

Stratification refers to the vertical arrangement of species within a community, often based on their adaptations to different environmental conditions.

Multiple choice

Which of the following is NOT a factor that can influence community structure?

  1. Climate

  2. Habitat type

  3. Species interactions

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

Human activities are not a natural factor that influences community structure, while climate, habitat type, and species interactions are all natural factors that can shape community structure.

Multiple choice

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

  1. Primary succession

  2. Secondary succession

  3. Cyclic succession

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

Climax community is not a type of ecological succession, but rather the final stage of succession in which a community reaches a state of equilibrium with its environment.

Multiple choice

What is the term for a long, narrow strip of land that connects two or more fragmented habitats?

  1. Habitat corridor

  2. Habitat linkage

  3. Habitat network

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

A habitat corridor is a long, narrow strip of land that connects two or more fragmented habitats, allowing for the movement of species between them.

Multiple choice

What is the term for a network of interconnected green spaces that provides habitat for wildlife and opportunities for recreation?

  1. Habitat network

  2. Green infrastructure

  3. Ecological network

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

A habitat network is a network of interconnected green spaces that provides habitat for wildlife and opportunities for recreation.

Multiple choice

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

  1. Food

  2. Water

  3. Fiber

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

Climate regulation is a regulating service, not a provisioning service.

Multiple choice

What is the term used to describe the variety of roles and functions performed by different species within an ecosystem?

  1. Functional diversity

  2. Species richness

  3. Genetic diversity

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

Functional diversity refers to the range of functions and roles played by different species within an ecosystem.

Multiple choice

Which of the following is NOT a component of functional diversity?

  1. Species richness

  2. Species composition

  3. Functional traits

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

Genetic diversity refers to the variation in genetic characteristics within a population or species, while functional diversity focuses on the variety of functions and roles played by different species in an ecosystem.

Multiple choice

How can functional diversity be assessed in forests?

  1. By measuring functional traits of individual species

  2. By calculating functional diversity indices

  3. By analyzing species composition and abundance data

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

Functional diversity can be assessed by measuring functional traits of individual species, calculating functional diversity indices, and analyzing species composition and abundance data.

Multiple choice

What is the term used to describe the process of using functional diversity to predict ecosystem functioning?

  1. Functional trait-based modeling

  2. Ecosystem modeling

  3. Biodiversity-ecosystem functioning research

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

Functional trait-based modeling involves using functional diversity to predict ecosystem functioning.

Multiple choice

What is the term used to describe the functional role of a species within an ecosystem?

  1. Ecological Niche

  2. Habitat

  3. Trophic Level

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

The ecological niche of a species encompasses its role, interactions, and requirements within an ecosystem, including its habitat, diet, and relationships with other organisms.

Multiple choice

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

  1. Ecological Niche

  2. Carrying Capacity

  3. Trophic Level

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

Carrying capacity refers to the maximum population size of a species that can be supported by the available resources in an environment.

Multiple choice

Which of the following is NOT a component of functional diversity?

  1. Species richness

  2. Functional evenness

  3. Functional dispersion

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

Species richness is a measure of the number of species in a community, while functional evenness, functional dispersion, and functional redundancy are all measures of functional diversity.

Multiple choice

What is the most common method for measuring functional diversity?

  1. Species richness

  2. Functional evenness

  3. Functional dispersion

  4. Rao's quadratic entropy
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Rao's quadratic entropy is a widely used measure of functional diversity that takes into account both species richness and functional evenness.