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

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.

Multiple choice

How can functional diversity be incorporated into school curricula?

  1. As a stand-alone unit in biology or ecology classes

  2. As a cross-cutting theme throughout science and environmental education

  3. Through extracurricular activities and clubs

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

Functional diversity can be incorporated into school curricula in various ways, depending on the specific context and educational goals.

Multiple choice

What is the relationship between functional diversity and ecosystem resilience?

  1. Functional diversity increases ecosystem resilience

  2. Functional diversity decreases ecosystem resilience

  3. There is no relationship between functional diversity and ecosystem resilience

  4. The relationship between functional diversity and ecosystem resilience is complex and context-dependent
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The relationship between functional diversity and ecosystem resilience is complex and depends on various factors, such as the specific ecosystem type, the nature of the disturbance, and the functional traits of the species present.

Multiple choice

Which of the following is a common sampling technique used in community ecology?

  1. Quadrat sampling

  2. Transect sampling

  3. Random sampling

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

Quadrat sampling, transect sampling, and random sampling are all common sampling techniques used in community ecology. Quadrat sampling involves placing a square or rectangular frame on the ground and recording the species and abundance of organisms within the frame. Transect sampling involves walking along a line and recording the species and abundance of organisms at regular intervals. Random sampling involves selecting a set of sampling locations randomly from the entire study area.

Multiple choice

What is the importance of spatial scale in community ecology research?

  1. Spatial scale can affect the patterns and processes that are observed in ecological communities.

  2. Spatial scale can affect the methods that are used to study ecological communities.

  3. Spatial scale can affect the interpretation of the results of community ecology research.

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

Spatial scale is an important consideration in community ecology research because it can affect the patterns and processes that are observed in ecological communities, the methods that are used to study ecological communities, and the interpretation of the results of community ecology research. For example, the patterns of species distribution and abundance may vary depending on the spatial scale at which they are studied. Similarly, the methods that are used to study ecological communities may vary depending on the spatial scale of the study. Finally, the interpretation of the results of community ecology research may vary depending on the spatial scale at which the study was conducted.

Multiple choice

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

  1. Soil formation

  2. Nutrient cycling

  3. Pollination

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

Pollination is a provisioning service, not a supporting service.