This heavily depends on how you learn to be fair - just make sure to go over content you may have done at the start of the year, making sure you understand everything, mkaing revision material etc
also try to actually understand the content not just remember so do some of the old paper questions first (they are the easiest) then try the new paper questions and see where you went wrong etc,
hope that helps also i don't do the other subjects so idk about those sorry. Good Luck!
I've just finished year 13 and got an A* in psychology, and found that the most effective way for me to get that was by creating a quizlet set on every chapter, with one card for each outline and another with all the evaluation points that I want to remember