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Bio-Diversity

NIOS · Class 10 · Social Studies

Step-by-step guide to study Bio-Diversity in NIOS Class 10 Social Studies. Topics to cover, practice strategy, and time allocation.

88 questions20 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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Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas, and key concepts.

2
Day 3

Practice Problems

Solve textbook exercises and additional practice questions. There are 88 questions available for this chapter.

3
Day 4

Revise & Test

Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding. Mark weak areas for re-revision.

4
Day 7

Spaced Revision

Revisit Bio-Diversity after a week. Use flashcards for quick recall. Solve previous year questions from this chapter.

What to Focus On

  • Bio-diversity includes genetic, species, and ecosystem diversity
  • India has 8% of world's species on only 2.4% of world's land
  • 45,000 plant species found in Indian forests

  • Plants produce oxygen and absorb carbon dioxide
  • Vegetation prevents soil erosion and controls floods
  • Animals help in pollination and seed dispersal

  • Increasing population creates more demand for resources
  • Deforestation destroys natural habitats
  • Over-harvesting reduces species populations

Common Mistakes to Avoid

All forests with heavy rainfall are tropical evergreen forests

National Parks and Wildlife Sanctuaries are the same thing with different names

Biodiversity hotspots are places with the maximum number of species

Memory Tips

Three components of biodiversity: Genetic, Species, Ecosystem

India's biodiversity statistics: 2.4% land area, 8% species contribution

Five types of natural vegetation in India

Tropical Evergreen Forest characteristics: 200+ cm rainfall, 60m height, Western Ghats

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Frequently Asked Questions

What are the important topics in Bio-Diversity for NIOS Class 10 Social Studies?
Bio-Diversity covers several key topics that are frequently asked in NIOS Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Bio-Diversity — NIOS Class 10 Social Studies?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision 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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