Synopsis This book will help students who are preparing for various competitive examinations in the areas of plant breeding and genetics. It covers the curses of the universities, agricultural scientists recruitment board, medical, provincial and civil service examinations. The present edition has been revised and updated with the latest geneotypes evolved for various zones of the country. Some new chapters on genetics have been added as these basically constitute the broad categories of the subject covered in this book. In this form the present edition will prove more suitable to our readers.