This book is designed to serve as a comprehensive resource for individuals preparing for competitive examinations, such as M.Sc. and Ph.D admissions in Agricultural and Horticultural Universities, ICAR Institutes, and other competitive examinations, including ARS, SRF, JRF, and Civil Services at the national level. It is intended to be of particular utility to students of floriculture and post-harvest technology, and it is hoped that the book will prove beneficial to its readers.