only we have to study these many chapters in biology or these are the important chapters that we have to concentrate can you please answer

Hi Manohar,

The various chapters in Biology carry different weightage of marks in the CBSE NEET exam, and the questions are usually asked according to that distribution. You can find about the weightage assigned to each chapter in the link NEET 2018 Important Topics and need to prepare accordingly. However, to name a few of the important chapters, you should study - the Plant Kingdom, Plant Morphology, and Anatomy, Animal Kingdom and their Structural Organisation, Biomolecules, Genetics, Biotechnology, and Ecology.