In this book efforts has been made to include most by the practical protocols of cytology and according to the requirement of the undergraduate and postgraduate courses of most of the Universities of the World. This book will be very helpful to the students, teachers and researchers of concern subject. The practical protocols described in the manuscript in the simple language and performed in the laboratory before explanation. This is the basic study of plant cell. All The cell organelles described in detail. The basic concept of genetic given by Mendel G. J. described in details. Many problems based on different concepts of G. J. Mendel explained in this book.