Class 11 14. Breathing and Exchange of Gases.pdf

Class 11 15. Body Fluids and Circulation.pdf

Class 11 16. Excretory Products And their Elimination.pdf

Class 11 17. Locomotion and Movement.pdf

Class 11 18. Neural Control and Coordination.pdf

Class 11 19. Chemical Coordination and Integration.pdf

Class 12 1. Sexual Reproduction in Flowering Plants.pdf

Class 12 2. Human Reproduction.pdf

Class 12 3. Reproductive Health.pdf

Class 12 4.Principles of Inheritance and Variation.pdf

Class 12 5. Molecular Basis Of Inheritance.pdf

Class 12 6. Evolution.pdf

Class 12 7. Human Health and Diseases.pdf

Class 12 8. Microbes in Human Welfare.pdf

Class 12 9. Biotechnology Principles and Processes.pdf

Class 12 10. Biotechnology and Its Applications.pdf

Class 12 11. Organisms and Populations.pdf

Class 12 12. Ecosystem.pdf

Class 12 13. Biodiversity and Conservation.pdf