Environmental Studies ยท Biology
Ecology and Biodiversity
1,737 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
The concept of 'Umwelt' in environmental linguistics refers to:
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The physical environment surrounding an organism.
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The subjective world experienced by an organism.
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The linguistic representation of the environment.
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The relationship between language and the environment.
B
Correct answer
Explanation
'Umwelt' encompasses the unique sensory and cognitive world perceived by an organism, shaped by its biological and cultural context.
Which of the following is NOT a biogeochemical cycle?
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Carbon cycle
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Nitrogen cycle
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Phosphorus cycle
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Water cycle
D
Correct answer
Explanation
The water cycle is a physical cycle, while the carbon cycle, nitrogen cycle, and phosphorus cycle are biogeochemical cycles.
Which of the following is NOT a biogeochemical cycle?
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Carbon cycle
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Nitrogen cycle
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Phosphorus cycle
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Oxygen cycle
D
Correct answer
Explanation
The oxygen cycle is a physical cycle, while the carbon cycle, nitrogen cycle, and phosphorus cycle are biogeochemical cycles.
Which of the following is NOT a way that biodiversity inspires us?
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Art and literature
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Scientific research
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Technological innovation
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All of the above
D
Correct answer
Explanation
Biodiversity inspires us in many ways, including through art and literature, scientific research, and technological innovation.
What is the term for the process by which biodiversity inspires new ideas and solutions?
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Biomimicry
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Bioinspiration
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Biotechnology
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Bioengineering
A
Correct answer
Explanation
Biomimicry is the term for the process by which biodiversity inspires new ideas and solutions.
What is the role of biodiversity in biomimicry?
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Biodiversity provides the inspiration for new ideas and solutions.
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Biodiversity provides the raw materials for biomimetic products and technologies.
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Biodiversity helps us to understand the natural world and its processes.
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All of the above
D
Correct answer
Explanation
Biodiversity plays a vital role in biomimicry by providing the inspiration for new ideas and solutions, providing the raw materials for biomimetic products and technologies, and helping us to understand the natural world and its processes.
What is the term for the study of the interactions between organisms and their environment in ancient ecosystems?
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Paleoecology
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Paleontology
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Taphonomy
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Biostratigraphy
A
Correct answer
Explanation
Paleoecology is the study of the interactions between organisms and their environment in ancient ecosystems, including their ecological niches, food webs, and competitive relationships.
What is the term used to describe the functional role of a species within an ecological community?
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Ecological Niche
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Habitat
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Trophic Level
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Population Density
A
Correct answer
Explanation
The ecological niche of a species encompasses its specific role, interactions, and adaptations within an ecosystem, including its habitat, diet, and interactions with other species.
Which of the following is not a supporting service that contributes to habitat provision and maintenance?
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Soil formation
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Nutrient cycling
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Pollination
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Predation
D
Correct answer
Explanation
Predation is a regulating service, not a supporting service. Supporting services are those that create and maintain the physical structure of an ecosystem, while regulating services are those that regulate the flow of energy and matter through an ecosystem.
What is the term for the idea that humans should live in harmony with nature?
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Sustainability
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Conservation
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Environmentalism
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Deep ecology
D
Correct answer
Explanation
Deep ecology is the idea that humans should live in harmony with nature. It is based on the belief that all living things have intrinsic value and that humans are part of a larger web of life.
What is the term for the idea that humans should live in harmony with nature?
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Sustainability
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Conservation
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Environmentalism
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Deep ecology
D
Correct answer
Explanation
Deep ecology is the idea that humans should live in harmony with nature. It is based on the belief that all living things have intrinsic value and that humans are part of a larger web of life.
What is the term for the study of the distribution and abundance of organisms?
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Biogeography
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Population Ecology
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Community Ecology
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Ecosystem Ecology
A
Correct answer
Explanation
Biogeography is the study of the distribution and abundance of organisms. This field of study seeks to understand why organisms are found where they are and how their distributions have changed over time.
Which of the following is NOT a common type of ecological model?
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Deterministic models
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Stochastic models
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Agent-based models
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Linear models
D
Correct answer
Explanation
Linear models are typically used in statistical analysis and regression, but they are not commonly used in ecological modeling, which often involves nonlinear relationships and complex interactions.
Which of the following is NOT a common type of ecological simulation model?
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Individual-based models
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Population-based models
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Ecosystem-based models
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Community-based models
D
Correct answer
Explanation
Community-based models are not a common type of ecological simulation model. Instead, ecological simulation models typically focus on individuals, populations, or ecosystems as the primary unit of analysis.
Which of the following is NOT a supporting service that contributes to nutrient cycling in forest ecosystems?
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Decomposition
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Pollination
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Water cycling
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Nitrogen fixation
B
Correct answer
Explanation
Pollination is a process that facilitates the transfer of pollen from the male anther to the female stigma of a flower, leading to fertilization and seed production. While pollination is an important ecological process, it is not directly involved in nutrient cycling in forest ecosystems.