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 an organism's role in the environment?

  1. Symbiosis

  2. Habitat

  3. Niche
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

An organism's niche refers to its role, function, or way of life within its environment, including how it interacts with biotic and abiotic factors.

Multiple choice

Living things on planet earth are known as

  1. Silica-based life forms

  2. Carbon-based life forms

  3. Oxygen-based life forms

  4. Iron-based life forms
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

All known life on Earth is based on carbon chemistry because of carbon's unique ability to form stable, complex, and diverse molecules.

Multiple choice

Define: Niche

  1. The food web and food chain in an ecosystem.

  2. Producters and consumers

  3. The role of an organism in its natural environment.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A niche describes the specific role, function, or job an organism plays within its ecosystem, including how it interacts with biotic and abiotic factors.

Multiple choice

Define: Habitat

  1. Where organisms live.

  2. Abiotic factors

  3. Biotic factors
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A habitat is the physical environment or place where a specific organism naturally lives and grows. It provides the necessary resources for survival.

Multiple choice

Define: Community

  1. All of the populations linving in an area.

  2. All of the energy between organisms.

  3. The habitat for the organims.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A community consists of all the different populations of various species that live and interact in the same geographic area.

Multiple choice

Define: Ecology

  1. The role of each organisms in an ecosystem.

  2. All of the Herbivores and Carnivores.

  3. The study of how all things in an ecosytem interact.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ecology is the scientific study of the interactions between living organisms and their physical environment, including both biotic and abiotic components.

Multiple choice

Define: Population

  1. All of the organims of every species put together in a area

  2. All the organisms of the same species living in same area.

  3. A community.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A population is defined as a group of individuals belonging to the same species that live in the same area at the same time.

Multiple choice

Define: Biotic factor

  1. Non-living parts of an ecosystem.

  2. Living parts of an ecosystem.

  3. The place where organisms live.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Biotic factors refer to all the living components of an ecosystem, such as plants, animals, fungi, and bacteria.

Multiple choice

Define: Abiotic factor

  1. Non-living parts of an ecosystem.

  2. Living parts of the ecosystem.

  3. <p>The population of animals in an area. </p>
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Abiotic factors are the non-living chemical and physical parts of the environment that affect living organisms, such as water, sunlight, and temperature.

Multiple choice

Define: Ecosystem

  1. The study of how animals live.

  2. All living an non-living things in an area.

  3. Animals that eat plants and animals.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

An ecosystem includes all the living organisms (biotic) in an area interacting with the non-living (abiotic) components of their environment.