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  • Subjects
  • Biology CBSE Live product
  • Class 8 (2026-27)
  • The Invisible Living World: Beyond our Naked Eye

Discovering the Invisible world of life

Theory

1. Discovering the Invisible World of Life

Practice Questions

1. Limitations of human eyes

Difficulty: easy

1
2. Visible and Invisible Things Around Us

Difficulty: easy

2
3. Exploring the Invisible World through different objects

Difficulty: easy

2
4. Microscope

Difficulty: medium

3
5. Lens and Magnifying Glass

Difficulty: medium

2
6. Compound microscope vs Electron microscope

Difficulty: medium

2
7. Discovering Life in Every Form and Size

Difficulty: medium

3
8. Robert Hookes contributions

Difficulty: hard

5
9. Antonie van Leeuwenhoek's contributions

Difficulty: hard

5
10. Biological Diversity and Structural Organization of organisms

Difficulty: hard

5

Teacher manual

1. Methodical recommendation
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