After the second edition in 2015 Arihant has now re-formulated its third edition of the Dictionary of Biology which covers all branches of Biology in a clear jargon-free and concise manner. Being a useful tool it makes science a bit simpler for Secondary & Senior Secondary Students and Candidates Appearing for various Competitive Examinations. The present edition incorporates:  Authoritative guide to all aspects of Biology  A-Z presentation of Terms Definitions Principles Rules etc.  Covering more than 5000 entries useful at school and colleges level  Cross-references network are given in some entries  Illustrations Diagrams and Explanations enhance understanding of terms  Appendices provide Human Diseases & Disorders Branches of Biology etc.  All Terms of NCERT are also covered  Cater needs of School & College Students including the candidates for competitive exams. TABLE OF CONTENT: A-Z Appendices