The book is lucid and easily understood by the readers. Endeavour has been made to include almost all the important information about each and every topic.This is the first edition of the book. Much focus has been laid to make the book competitive examination oriented like NEET, PG entrances, and others held in Biology subject. The book contains answers to NCERT text book questions and NEET oriented points are given at the end of each topic.This is easy-to- follow study guide.