hey,

the syllabus for boilogy (botany, zoology) :

for 11th the chapters are:

• Diversity in organisms
• Biochemistry of cells
• Plant water Relations and Mineral Nutrition
• Plant Growth and Development
• Organization of cell
• Animal tissues
• Human nutrition
• Human respiration

And from class 12:

• Genetic Basis of Inheritance
• Gene: its nature, expression, and regulation
• Biotechnology: Process and Application
• Enhancement in Food Production
• Microbes in Human Welfare
• Photosynthesis
• Respiration
• Reproduction in Plants
• Organisms and Environment –I
• Origin and the Evolution of Life
• Chromosomal Basis of Inheritance
• Genetic Engineering and Genomics
• Human Health and Diseases
• Animal Husbandry
• Circulation
• Excretion and osmoregulation
• Control and Co-ordination
• Human Reproduction
• Organisms and Environment-II

best of luck!

I hope I was able to answer your question.