CBSE Boards Science Books : Board examination, conducted by CBSE is held every year for students of classes 10 and 12 across the country. The syllabus for these exams is broadly based on the NCERT subject textbooks for these classes. CBSE Boards Science Books help in exam scores well to play an important role in admission to colleges for class 12 students, and are the primary determinant for admission for students who want to move to a better after completing their class 10. They are often used in rankings of schools.