Hello student for biology you can prepare notes from NCERT book as NCERT is the most important and recommended books by toppers and teachers.

You can get access to the NCERT book from the link mentioned below - http://ncert.nic.in/NCERTS/l/kebo118.pdf

You can also subscribe to careers360 knockout package for preparing and qualifying the entrance examination, it offer you 100 percent money back guarantee if you do not qualify.

Refer to the link mentioned below its - https://learn.careers360.com/knockout-neet-may/

Prefer NCERT to build your basic concept and make sure you do each and every example and exercise questions of Ncert before jumping to a reference book after completing ncert thoroughly refer to your coaching material or any reference book.

Feel free to comment if you have any doubt

Good luck