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Chapter 10 of 26
Chapter Summary

Bio-Diversity

NIOS · Class 10 · Social Studies

Summary of Bio-Diversity for NIOS Class 10 Social Studies. Key concepts, important points, and chapter overview.

88 questions42 flashcards5 concepts

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An infographic explaining why biodiversity needs to be conserved, highlighting roles in ecosystem stability, food chains, pollination, seed dispersal, and the impact of human activities.
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Overview

Biodiversity means the variety of life on Earth. It includes genes, species, ecosystems, plants, animals, and micro-organisms, along with the physical environment such as soil, water, and temperature. India is among the world’s mega biodiversity countries because it has a very rich variety of living

Key Concepts

Biodiversity is the total variety

Biodiversity is the total variety of life in a region. It includes genetic diversity, species diversity, and ecosystem diversity. It also includes the

Genetic diversity refers to differences

Genetic diversity refers to differences in genes within the same species. These differences help living organisms show variation in characteristics.

Species diversity is the variety

Species diversity is the variety of different species found in an area. A species is a group of very similar organisms that can interbreed.

Ecosystem diversity means the variety

Ecosystem diversity means the variety of ecosystems in a region. An ecosystem includes living and non-living components working together.

Mega biodiversity means a unique combination

Mega biodiversity means a unique combination of different plants and animal species that is not found anywhere else.

Learning Objectives

  • Understand the meaning of biodiversity and its components
  • Explain the status of biodiversity in India
  • Describe the significance of biodiversity in nature and human life
  • Identify major natural vegetation types of India
  • Recognise important wildlife sanctuaries, national parks, wetlands, and biosphere reserves in India

Frequently Asked Questions

What are the important topics in Bio-Diversity for NIOS Class 10 Social Studies?
Key topics in Bio-Diversity include Biodiversity Components and Distribution, Bio-Diversity Chapter Overview, Biodiversity Concept 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 Bio-Diversity — NIOS Class 10 Social Studies?
Understand the core concepts first, then work through the 88 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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