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
Which of the following is NOT a core principle of Deep Ecology?
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The inherent value of all living beings
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The interconnectedness of all things in nature
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The need for economic growth
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The importance of biodiversity
C
Correct answer
Explanation
Deep Ecology emphasizes the intrinsic value of all living beings and the interconnectedness of nature, but it does not advocate for economic growth as a primary goal.
Which of the following is a key concept in Deep Ecology?
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Shallow Ecology
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Biocentrism
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Technocentrism
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Anthropocentrism
B
Correct answer
Explanation
Biocentrism, which emphasizes the intrinsic value of all living beings, is a key concept in Deep Ecology.
Deep Ecology is a philosophy that:
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Challenges the traditional anthropocentric view of nature.
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Advocates for the intrinsic value of all living beings.
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Calls for a radical change in human values and behavior.
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All of the above
D
Correct answer
Explanation
Deep Ecology encompasses all of these elements: challenging anthropocentrism, advocating for intrinsic value, and calling for a fundamental shift in human values and behavior.
What is the term used to describe the idea that the Earth's biosphere and human society are interconnected and interdependent?
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The Anthropocene hypothesis
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The Gaia hypothesis
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The biosphere hypothesis
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The noosphere hypothesis
C
Correct answer
Explanation
The biosphere hypothesis is the term used to describe the idea that the Earth's biosphere and human society are interconnected and interdependent.
Which of the following is NOT an example of an ecosystem service that directly benefits human health?
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Clean air and water
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Pollination of crops
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Regulation of climate
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Decomposition of waste
D
Correct answer
Explanation
Decomposition of waste is a natural process that occurs in ecosystems, but it does not directly benefit human health. Clean air and water, pollination of crops, and regulation of climate are all examples of ecosystem services that directly benefit human health.
Which ecosystem service is primarily responsible for regulating the Earth's climate?
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Carbon sequestration
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Water cycling
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Nutrient cycling
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Pollination
A
Correct answer
Explanation
Carbon sequestration is the process by which carbon dioxide is removed from the atmosphere and stored in plants, soils, and oceans. This process helps to regulate the Earth's climate by reducing the amount of greenhouse gases in the atmosphere.
Which of the following is an example of an ecosystem service that is essential for human survival?
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Pollination of crops
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Regulation of climate
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Provision of food and water
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Decomposition of waste
C
Correct answer
Explanation
The provision of food and water is an essential ecosystem service for human survival. Without food and water, humans would not be able to survive.
Which of the following is an example of a provisioning ecosystem service?
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Pollination of crops
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Regulation of climate
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Provision of food and water
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Decomposition of waste
C
Correct answer
Explanation
Provisioning ecosystem services are the material benefits that people derive from ecosystems. Provision of food and water is an example of a provisioning ecosystem service.
Which of the following is an example of a regulating ecosystem service?
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Pollination of crops
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Regulation of climate
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Provision of food and water
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Decomposition of waste
B
Correct answer
Explanation
Regulating ecosystem services are the benefits that people derive from ecosystems that help to regulate the natural environment. Regulation of climate is an example of a regulating ecosystem service.
Which of the following is an example of a supporting ecosystem service?
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Pollination of crops
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Regulation of climate
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Provision of food and water
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Decomposition of waste
D
Correct answer
Explanation
Supporting ecosystem services are the processes that maintain the functioning of ecosystems. Decomposition of waste is an example of a supporting ecosystem service.
What is the concept of carrying capacity in conservation?
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The maximum population size of a species that an ecosystem can sustain indefinitely
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The minimum population size required for a species to survive
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The rate at which a population grows or declines
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The number of individuals of a species that can be harvested sustainably
A
Correct answer
Explanation
Carrying capacity refers to the maximum population size of a species that an ecosystem can support without causing degradation or depletion of resources.
What is the central principle of Deep Ecology?
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The interconnectedness of all living beings
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The intrinsic value of all living beings
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The importance of preserving biodiversity
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The need for sustainable development
A
Correct answer
Explanation
Deep Ecology emphasizes the interconnectedness of all living beings, viewing them as part of a larger web of life.
According to Deep Ecology, what is the intrinsic value of all living beings?
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Their usefulness to humans
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Their economic value
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Their aesthetic value
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Their inherent worth, regardless of their usefulness or value to humans
D
Correct answer
Explanation
Deep Ecology recognizes the intrinsic value of all living beings, irrespective of their utility or economic worth.
What is the term used to describe the idea that humans are part of nature and should live in harmony with it?
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Biocentrism
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Ecocentrism
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Anthropocentrism
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Deep Ecology
D
Correct answer
Explanation
Deep Ecology emphasizes the idea that humans are part of nature and should live in harmony with it, recognizing the interconnectedness of all living beings.
What is the term used to describe the idea that the Earth is a self-regulating system that maintains its own balance?
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Gaia Hypothesis
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Biocentrism
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Ecocentrism
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Deep Ecology
A
Correct answer
Explanation
The Gaia Hypothesis proposes that the Earth is a self-regulating system that maintains its own balance, with all living beings playing a role in this process.