Hello,

As per your concern about the important chapters of biology and chemistry for neet examination I'm giving you the list of the chapters which are very important

Here is the list you can prefer the chapters

Biology-

12th class

Unit1- reproduction

Unit 2 - genetics and evolution

Unit 5 - ecology

11th class 

cell and cell cycle is most important

morphology most important chapter

Plant growth

Biological classification

Plant and animal kingdom

This are some most important chapters with high waitage of biology

Chemistry

Solutions

Electrochemistry

Chemical bonding

Chemistry in every day life

Organic chemistry