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

Which of the following is an example of a regulating ecosystem service?

  1. Pollination

  2. Climate regulation

  3. Water purification

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

Climate regulation is an example of a regulating ecosystem service because it helps to maintain a stable climate, which is essential for human survival.

Multiple choice

What is the term used to describe the overall health of a river ecosystem?

  1. River health

  2. Water quality

  3. Habitat quality

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

River health is a term used to describe the overall health of a river ecosystem, encompassing water quality, habitat quality, and biological integrity.

Multiple choice

Which of the following is a key factor that determines the distribution of plants in an ecosystem?

  1. Temperature

  2. Water Availability

  3. Soil pH

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

The distribution of plants in an ecosystem is influenced by a combination of factors, including temperature, water availability, soil pH, and other environmental conditions.

Multiple choice

What is the term used to describe the variety of life on Earth, including the diversity of species, ecosystems, and genetic variation?

  1. Biodiversity

  2. Ecosystem Diversity

  3. Genetic Diversity

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

Biodiversity encompasses the variety of life on Earth, including the diversity of species, ecosystems, and genetic variation.

Multiple choice

What is the term used to describe the diverse array of marine organisms that inhabit coral reef ecosystems?

  1. Coral reef biodiversity

  2. Coral reef community

  3. Coral reef ecosystem

  4. Coral reef biota
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Coral reef biodiversity refers to the diverse array of marine organisms that inhabit coral reef ecosystems. This includes a wide range of species, from fish and invertebrates to algae and microorganisms, all contributing to the ecological balance and functioning of coral reefs.

Multiple choice

What is biodiversity?

  1. The variety of life on Earth

  2. The number of different species on Earth

  3. The genetic variation within a species

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

Biodiversity encompasses the variety of life on Earth, including the number of different species, the genetic variation within a species, and the ecosystems in which they live.

Multiple choice

What is the term used to describe the study of the distribution of organisms on Earth?

  1. Biogeography

  2. Ecology

  3. Taxonomy

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

Biogeography is the study of the distribution of organisms on Earth, including the factors that influence their distribution.

Multiple choice

What is the term used to describe a transitional zone between two different biomes?

  1. Ecotone

  2. Habitat

  3. Ecosystem

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

Ecotone is a transitional zone between two different biomes, where the characteristics of both biomes overlap.

Multiple choice

What is the term used to describe the community of organisms that live in a particular habitat?

  1. Ecosystem

  2. Habitat

  3. Community

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

Community is the term used to describe the community of organisms that live in a particular habitat.

Multiple choice

What is the term used to describe the physical environment in which an organism lives?

  1. Habitat

  2. Ecosystem

  3. Community

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

Habitat is the term used to describe the physical environment in which an organism lives.

Multiple choice

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

  1. Resilience

  2. Sustainability

  3. Carrying capacity

  4. 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, while sustainability refers to the ability to maintain a balance between resource use and renewal.

Multiple choice

What is the primary factor that determines the resilience of a continental environment?

  1. Climate

  2. Geology

  3. Vegetation

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

Climate plays a crucial role in determining the resilience of a continental environment. Factors such as temperature, precipitation, and seasonality influence the ecosystem's ability to adapt to disturbances and maintain its ecological integrity.

Multiple choice

Which of the following is a key factor in determining the resilience of an ecosystem?

  1. Biodiversity

  2. Climate

  3. Soil Quality

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

Biodiversity plays a crucial role in ecosystem resilience by providing a variety of species that can adapt to changing conditions.

Multiple choice

What is the term used to describe the interdependence of living organisms with their physical environment?

  1. Ecology

  2. Biodiversity

  3. Conservation

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

Ecology is the study of the interactions between organisms and their environment, including the physical, chemical, and biological factors that affect their survival and behavior.

Multiple choice

What is the term used to describe the variety of life on Earth, including the different species, ecosystems, and genetic diversity?

  1. Ecology

  2. Biodiversity

  3. Conservation

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

Biodiversity refers to the vast array of different species, ecosystems, and genetic variations that exist on Earth.