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 maximum number of individuals of a species that an environment can support without degrading its resources?

  1. Carrying capacity

  2. Population density

  3. Ecological footprint

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

Carrying capacity refers to the maximum number of individuals of a species that an environment can support without degrading its resources.

Multiple choice

What is functional redundancy?

  1. The ability of multiple species to perform the same ecological function

  2. The ability of a single species to perform multiple ecological functions

  3. The ability of a species to adapt to different environmental conditions

  4. The ability of a species to compete with other species for resources
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Functional redundancy refers to the ability of multiple species to perform the same ecological function, such as pollination or seed dispersal.

Multiple choice

What is functional compensation?

  1. The ability of a single species to perform multiple ecological functions

  2. The ability of a species to adapt to different environmental conditions

  3. The ability of a species to compete with other species for resources

  4. The ability of multiple species to perform the same ecological function
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Functional compensation refers to the ability of a single species to perform multiple ecological functions, such as pollination and seed dispersal.

Multiple choice

Which of the following is an example of functional compensation in a forest ecosystem?

  1. A tree species that can tolerate both drought and flooding

  2. A bird species that can eat both insects and fruits

  3. A mammal species that can both climb trees and swim

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

Functional compensation in a forest ecosystem can be seen in a tree species that can tolerate both drought and flooding, a bird species that can eat both insects and fruits, and a mammal species that can both climb trees and swim.

Multiple choice

What is the relationship between functional redundancy and biodiversity?

  1. Functional redundancy is a measure of biodiversity

  2. Biodiversity is a measure of functional redundancy

  3. Functional redundancy and biodiversity are independent of each other

  4. Functional redundancy and biodiversity are positively correlated
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Functional redundancy and biodiversity are positively correlated, meaning that ecosystems with higher biodiversity tend to have higher levels of functional redundancy.

Multiple choice

How can functional redundancy be measured in an ecosystem?

  1. By calculating the number of species that perform the same ecological function

  2. By measuring the overlap in resource use among species

  3. By assessing the response of ecosystem functions to the loss of species

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

Functional redundancy can be measured in an ecosystem by calculating the number of species that perform the same ecological function, measuring the overlap in resource use among species, and assessing the response of ecosystem functions to the loss of species.

Multiple choice

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

  1. Ecology

  2. Population ecology

  3. Community ecology

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

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

Multiple choice

What is the term used to describe the ability of an ecosystem to maintain its structure and function over time?

  1. Biodiversity

  2. Resilience

  3. Carrying capacity

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

Resilience refers to the ability of an ecosystem to withstand disturbances and maintain its structure and function over time. It is a key concept in sustainable development, as it ensures that ecosystems can adapt to changes and continue to provide essential services.

Multiple choice

What is the term used to describe the maximum population size that an environment can support without degrading its resources?

  1. Biodiversity

  2. Resilience

  3. Carrying capacity

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

Carrying capacity refers to the maximum population size that an environment can support without degrading its resources or causing environmental damage.

Multiple choice

In a competitive environment, what is the term for the point at which the population size is reduced to a level that is sustainable?

  1. Carrying capacity

  2. Equilibrium

  3. Saturation point

  4. Optimal population size
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Equilibrium is the point at which the population size is reduced to a level that is sustainable.

Multiple choice

What is the term used to describe the benefits that humans derive from ecosystems?

  1. Ecosystem Services

  2. Natural Capital

  3. Environmental Assets

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

Ecosystem services are the direct and indirect benefits that humans derive from ecosystems, such as clean air, water, food, and shelter.

Multiple choice

What is the term used to describe the process by which species that are adapted to edge habitats become more abundant?

  1. Edge specialization

  2. Habitat selection

  3. Ecological succession

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

Edge specialization refers to the process by which species that are adapted to edge habitats become more abundant.

Multiple choice

What is the term used to describe the movement of species between edge habitats and interior habitats?

  1. Edge permeability

  2. Habitat connectivity

  3. Ecological succession

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

Edge permeability refers to the movement of species between edge habitats and interior habitats.

Multiple choice

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

  1. Community structure

  2. Species diversity

  3. Trophic levels

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

Community structure refers to the spatial arrangement and distribution of species within a community, including their abundance, diversity, and interactions.

Multiple choice

Which of the following is NOT a measure of species diversity?

  1. Species richness

  2. Species evenness

  3. Species abundance

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

Species abundance is a measure of the number of individuals of each species in a community, while species richness, evenness, and composition are all measures of species diversity.