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 habitat heterogeneity?

  1. The variation in environmental conditions within a habitat

  2. The number of different species found in a habitat

  3. The physical structure of a habitat

  4. The availability of resources in a habitat
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Habitat heterogeneity refers to the variation in environmental conditions, such as temperature, moisture, light availability, and soil type, within a habitat.

Multiple choice

Which of the following factors can contribute to habitat heterogeneity?

  1. Topography

  2. Climate

  3. Soil type

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

Topography, climate, and soil type can all contribute to habitat heterogeneity. Topography refers to the physical structure of the land, such as hills, valleys, and rivers. Climate refers to the long-term weather patterns of an area, such as temperature, precipitation, and wind. Soil type refers to the composition and properties of the soil, such as texture, pH, and nutrient content.

Multiple choice

What is the term used to describe the variety of species found in a particular area or ecosystem?

  1. Species Abundance

  2. Species Richness

  3. Species Density

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

Species diversity refers to the variety of species present in a given area or ecosystem, taking into account both the number of species (species richness) and their relative abundance (species evenness).

Multiple choice

What is the term used to describe the idea that living systems are self-organizing and capable of adapting and responding to their environment?

  1. Autopoiesis

  2. Self-organization

  3. Adaptation

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

Autopoiesis is the idea that living systems are self-organizing and capable of adapting and responding to their environment.

Multiple choice

What is the term used to describe the idea that living systems are capable of self-organization and self-repair?

  1. Autonomy

  2. Reductionism

  3. Holism

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

Autonomy is the idea that living systems are capable of self-organization and self-repair.

Multiple choice

Which scientific field focuses on the study of the distribution and abundance of species?

  1. Biogeography

  2. Population Ecology

  3. Community Ecology

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

Biogeography is the scientific field that focuses on the study of the distribution and abundance of species, including the factors that influence their geographic ranges and patterns of diversity.

Multiple choice

Which scientific field focuses on the study of the structure and function of ecosystems?

  1. Ecosystem Ecology

  2. Community Ecology

  3. Population Ecology

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

Ecosystem ecology is the scientific field that focuses on the study of the structure and function of ecosystems, including the interactions between organisms and their environment and the flow of energy and matter through ecosystems.

Multiple choice

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

  1. A. Resilience

  2. B. Sustainability

  3. C. Carrying capacity

  4. D. Biodiversity
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 or changes, such as those caused by climate change or human activities.

Multiple choice

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

  1. Climate regulation

  2. Water purification

  3. Food production

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

Food production is a provisioning service, not a regulating service.

Multiple choice

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

  1. Climate regulation

  2. Water purification

  3. Food production

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

Food production is a provisioning service, not a regulating service.

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, not a provisioning service.

Multiple choice

What is landscape ecology?

  1. The study of the spatial arrangement of ecosystems and habitats.

  2. The study of the effects of habitat fragmentation on species.

  3. The study of the relationship between humans and their environment.

  4. The study of the distribution of species across a landscape.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Landscape ecology is the study of the spatial arrangement of ecosystems and habitats, and how this arrangement affects the movement of organisms, the flow of energy and nutrients, and the distribution of species.

Multiple choice

What is the role of scale in landscape ecology?

  1. Scale is important in landscape ecology because it determines the size of the landscape that is being studied.

  2. Scale is important in landscape ecology because it determines the types of organisms that are being studied.

  3. Scale is important in landscape ecology because it determines the methods that are being used to study the landscape.

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

Scale is important in landscape ecology because it determines the size of the landscape that is being studied, the types of organisms that are being studied, and the methods that are being used to study the landscape.

Multiple choice

Which of the following landscape metrics is commonly used to quantify habitat fragmentation?

  1. Patch Density

  2. Edge Density

  3. Fractal Dimension

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

Patch density, edge density, and fractal dimension are all commonly used landscape metrics to quantify habitat fragmentation, as they provide information about the number, size, shape, and connectivity of habitat patches.

Multiple choice

Which of the following is an example of a landscape metric commonly used to quantify habitat fragmentation?

  1. Patch Density

  2. Edge Density

  3. Fractal Dimension

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

Patch density, edge density, and fractal dimension are all examples of landscape metrics commonly used to quantify habitat fragmentation, providing quantitative measures of the spatial arrangement of habitat patches.