Questions and Answers
What percentage of the earth's water supply is contained within the oceans?
Which component of the hydrosphere accounts for the least amount of water available for human consumption?
What does the lithosphere primarily consist of?
What is the primary role of the biosphere in the environment?
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What is the approximate percentage of the earth's water that is locked in polar icecaps and glaciers?
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What is described as an environment that has been modified by human beings?
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Which component is NOT included in the social environment according to the content?
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What is the primary factor that distinguishes the psychological environment?
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Which of the following environments focuses on interactions within society?
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Which term best describes the original environment unaffected by human influence?
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How can the psychological environment be best characterized?
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Which of the following is a man-made environment example?
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What factors primarily influence the social environment listed in the content?
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Which component is part of the lithosphere?
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What is included in the hydrosphere?
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Which of the following best describes the biological environment?
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What do environmental studies primarily aim to educate about?
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Which gas is NOT commonly found in the atmosphere?
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Which aspect is part of the solid environment?
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How can environmental degradation be reversed according to current trends?
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Which element is NOT a part of the biological environment?
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Which term best defines the environment as described?
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What does the biotic component of the environment include?
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Which of the following is an abiotic component of the environment?
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What is the French origin of the word 'environment'?
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Which of the following best exemplifies abiotic components?
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Which statement about the environment is incorrect?
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Which example represents living biotic components?
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What does the biosphere encompass?
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Why are biotic components important in an ecosystem?
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Which of the following is NOT a component of the hydrosphere?
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Which statement about the atmosphere is true?
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What does the lithosphere consist of?
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Which feature is associated with the biosphere?
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Which of the following roles does the atmosphere play?
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What is a characteristic of the hydrosphere?
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Which of the following is a function of the atmosphere?
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Study Notes
Environment Overview
- Derived from French verb ‘enviro’, meaning ‘surrounding’.
- Environment defined as the collection of physical, chemical, and biological elements that encapsulate us.
- Includes biotic (living) and abiotic (non-living) components, such as people, animals, sunlight, air, and land.
- Biotic components interact with abiotic components for survival.
Types of Environment
- Natural Environment: Unaltered by human interference; includes all living and non-living things.
- Man-made Environment: Modified by human activity, including infrastructure, utilities, and industries.
- Social Environment: Encompasses the social, economic, and political conditions individuals live within.
- Psychological Environment: Reflects personal values, personality, and individual perspectives.
Structure of Environment
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Physical Environment:
- Solid: Lithosphere includes soil and mountains.
- Liquid: Hydrosphere includes various water bodies such as rivers and oceans.
- Gas: Atmosphere contains various gases like oxygen and carbon dioxide.
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Biological Environment:
- Flora: Includes plants like trees and grass.
- Fauna: Comprises animals including domestic and wild species.
Scope of Environmental Studies
- Educates individuals about complex environmental issues.
- Empowering educated communities can reverse trends of environmental degradation.
Segments of Environment
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Atmosphere:
- Acts as protective blanket of gases necessary for sustaining life.
- Shields Earth from cosmic rays and harmful radiation.
- Permits passage of essential wavelengths for life (UV, visible light).
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Hydrosphere:
- Comprises all water resources covering 71% of Earth's surface.
- 97% of water is found in oceans, 2% in polar ice caps/glaciers, and only 1% is fresh water suitable for consumption.
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Lithosphere:
- Outer solid layer of Earth containing minerals, organic matter, and soil resources.
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Biosphere:
- The realm of living organisms and their interactions with the atmosphere, hydrosphere, and lithosphere.
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Description
This quiz explores the fundamental concepts of the environment as outlined in Unit 1 of the Maharashtra State Board syllabus. Test your knowledge on various environmental topics and their interconnections. Gain a deeper understanding of environmental science through this engaging quiz.
