Looking at the scenario of students having a great difficulty in understanding the basic concepts of Biotechnology the book is designed focusing in the main topics as per the syllabus and the requirements for facing the challenges and interviews to be competitive with the world around. The title itself is self explanatory and therefore I strongly believe that this book or a say this part of the work done will not go in vain. Me as an author is determined to make sure that every piece f information in this book shall be useful effectively and easy to understand and memorize.