Tamil Nadu State board (TNSCERT) New syllabus -2020
Class 10th Science book-back Question and Answer for All units

1. Laws of Motion"
2. Optics
3. Thermal Physics
4. Electricity
5. Acoustics
6. Nuclear Physics
7. Atoms and Molecules
8. Periodic Classification of Elements
9. Solutions
10. Types of Chemical Reactions
11. Carbon and its Compounds
12. Plant Anatomy and Plant Physiology
13.Structural Organisation of Animals
14. Transportation in Plants and Circulation in Animals
15. Nervous System
16. Plant and Animal Hormones
17. Reproduction in Plants and Animals
18. Heredity
19. Origin and Evolution of Life
20. Breeding and Biotechnology
21. Health and Diseases
22. Environmental Management
23. Visual Communication