There are 18 chapters in NCERT Class 8 Science Book. Here we have provided some important topics of each chapter. NCERT Class 8 Science book: Chapter 1 - Crop Production and Management Chapter 1 ...

However, a paragraph dedicated to the disease on page 21 of NCERT’s Class 8 science book states that the disease has only been eradicated “from most parts of the globe”.

However, the Class 11 chemistry textbook still has ... the chapter was part of basic science, and there is a proper mention of the periodic table in classes 8 and 9 as well.