how to remember sections

Instead of going through each and every section what you can do is learn their series and then pin point yourself at wgich section this given question belongs to in that series..

There are many videos on Youtube that will help you achieve what I said

here are some links:

https://www.youtube.com/watch?v=ZZW0gpX2-KE

https://www.youtube.com/watch?v=K_qKcVYe6qE