Hello

You can go through the link below and check the Chapter wise weightage an important books for NEET 2019 exam-

https://medicine.careers360.com/articles/neet-chapter-wise-weightage-and-important-topics

Also, to score good marks, you should cover the topics which carry more weightage. It has been analysed that out of 7060 concepts/definitions in physics, chemistry and biology in NEET, only 16% concepts/definitions were asked till 2017 paper and  73% paper of NEET UG 2018 was based on these 16% concepts/definitions.
You should work on these concepts only to score good marks in the exam. You should solve previous years question papers and mock tests. It will help you to know about the exam pattern and type of question asked in the exam.

You should enroll for the NEET Rank Booster for your preparation-

https://www.entrance360.com/neet-rank-booster/

Good Luck!

p { margin-bottom: 0.25cm; line-height: 120%; }a:link { }