This document analyzes the weightage and distribution of topics from the NEET Biology exams between 2017-2022. It shows that: - Human Physiology receives the highest weightage (18%) in Class XI, while Genetics and Evolution receives the highest in Class XII (19%). - The number of questions asked per chapter each year, with Molecular Basis of Inheritance receiving the most questions (8) in 2022, and Reproduction in Organisms receiving the least (1) in several years. - The total number of questions remained consistent at 90-100 each year between 2017-2022.