Science Text Book Ncert Class 10th The National Council of Educational Research and Training (Ncert) decides the syllabus for schools affiliated to the Central Board of Secondary Education (CBSE). Science Textbook For Class X is a guidebook in science for students in class 10, and is made according to the latest syllabus pattern set by the Ncert. It is one of the books in a series of other similar books from the same authors, and is divided into different chapters as per the original Ncert syllabus.