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Environmental Degradation And Disaster Management

NIOS · Class 10 · Social Studies

Quick revision notes for Environmental Degradation And Disaster Management — NIOS Class 10 Social Studies. Key concepts, formulas, and definitions for last-minute revision.

87 questions35 flashcards5 concepts

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A labeled diagram illustrating the two main components of the environment: Biotic (living organisms) and Abiotic (non-living elements), with examples for each.
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Key Topics to Revise

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1. Meaning, Components, and Classification of Environment

  • Environment means the sum total of all the conditions, circumstances, and living and non-living things around an organism that affect its life.
  • Environment has two components: biotic and abiotic.
  • Biotic component includes living things such as human beings, plants, animals, microbes, bacteria, food, and interactions among organisms.
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2. Importance of Environment and Environmental Degradation

  • Environment is the life support system for human beings and all other organisms.
  • It provides food, shelter, water, air, soil, energy, medicines, fibres, and raw materials.
  • The environment helps maintain atmospheric composition and protects life from harmful solar radiation.
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3. Causes of Environmental Degradation

  • The causes of environmental degradation are grouped into social factors and economic factors.
  • Social factors include growing population, poverty, urbanisation, and changing lifestyle.
  • Economic factors include agricultural development, industrialisation, and economic development.
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4. Implications of Environmental Degradation and Conservation Measures

  • Environmental degradation has serious effects on development, health, and survival.
  • About 50 percent of geographical area of India suffers from varying degrees of degradation.
  • Over 5.3 billion tonnes of top soil is lost every year due to soil erosion.

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Full Notes

Key Concepts

Environment is the sum totalThe biotic component includes living thingsThe abiotic component includes nonNatural environment includes all livingHuman

Frequently Asked Questions

What are the important topics in Environmental Degradation And Disaster Management for NIOS Class 10 Social Studies?
Key topics in Environmental Degradation And Disaster Management include Environmental Degradation: Causes and Effects, Environmental Degradation and Disaster Management Overview, Environmental Degradation and Disaster Management - Chapter Overview. These are the concepts NIOS Class 10 examiners draw on most — study them first, then practise related questions.
How to score full marks in Environmental Degradation And Disaster Management — NIOS Class 10 Social Studies?
Understand the core concepts first, then work through the 87 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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