hello aspirant,

Below is the brief and short description for the NEET Chapter wise weighatges for al subjects. Youc an look that and for detailed and long description for all the weightages of chapters in NEET exam, you can follow the below mentioned link :

NEET Chapterwise Weightage - Physics
1. Electrodynamics - (22.22% )
2. Heat & Thermodynamics - (11.11% )
3. Mechanics - (28.89% )
4. Modern Physics - (6.67% )
5. Optics - (11.11%)
6. SHM & Waves - ( 8.89% )

NEET Chapterwise Weightage - Chemistry
1. Inorganic Chemistry I - (17.78% )
2. Inorganic Chemistry II - (17.78% )
3. Organic Chemistry I - (6.67% )
4. Organic Chemistry II - (28.89% )
5. Physical Chemistry I - (15.56%)
6. Physical Chemistry II - (13.33%)

NEET Chapterwise Weightage - Biology
Botany:
1. Biological Classification - (6.00%)
2. Cell Biology - (8.00% )
3. Ecology - (12.00% )
4. Genetics - (0.00% )
5. Living World - (2.00% )
6. Molecular Basis of Inheritance - (12.00%)

Further, you can follow the below mentioned link to know more and detailed description for the chapter wise weightage of NEET in all subjects :

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

i hope that this will help.