In order to crack NEET, you need to be well-versed with the exam pattern and syllabus which will definitely lead you to the right direction. The NEET question paper is divided into 3 sections in which Biology section contains 90 questions carry 360 Marks and it goes without saying that you should pay more attention to the Biology section as it carries more weightage. NCERT XIth and XIIth Biology books will help you to clear the basic concept and some of the questions were directly asked from NCERT book. It is possible to score 320+ in biology with the help of NCERT books.
You can also follow some reference books for Biology: