It keeps varying from year to year and can not be predicted in any possible way. So better prepare every chapter thoroughly.

All the best for your future!

Hello!

There is  no official chapter wise weightage provided for NEET by CBSE. The syllabus for NEET is the physics, chemistry and biology NCERT textbooks for 11th and 12th standard. Make sure you study from these textbooks and are thorough with concepts. This link might help you-
https://medicine.careers360.com/articles/neet-analysis

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