Below are given main topics covered in class 9 Science chapter 4, Structure of the Atom: → Thomson’s model of an atom → Rutherford’s model of an atom and its limitations → Bohr’s model ...
CBSE Class 9 Science Practical Syllabus ... Identification of Parenchyma, Collenchyma and Sclerenchyma tissues in plants, striped, smooth and cardiac muscle fibers and nerve cells in animals ...