PCAT is a test over a large amount of material, so you really need to evalute which area you are bad, and make information very accessible (making cheat sheet).
here is a plan that I used..I think it can help you...
1. First make a list of all the catagories of Chem and Bio. (1. Atomic
Structure, 2. Organic Chem, 3. Acid & Bases etc).
2. Do a couple of practice test (I recommend Kaplan and Barron)
For areas you are good with play O, For areas you suck at place X on the
list. For areas you suck at, read the chapter on the textbook and do
some problems
3. Then do chapter problems on PCAT preb book. Not the comprehensive
ones, problems on each chapter!! On a notebook, fold the page into two
On one half, write down how you got to the answer. Mark whatever you
struggle with or took time to figure out. Check the answer, and mark wrong
answers. HERE IS THE KEY POINT. For whatever you got wrong and
struggled, write down the right answer and approach on the other half.
AND ANY OTHER RELEVENT INFORMATION TO THE PROBLEM.
IF YOU MADE A MISTAKE, IT'S WORSE THAN NOT KNOWING!!! SO MARK
WHY YOU MADE A MISTAKE!!! YOU CANNOT AFFORD TO MAKE CARELESS
MISTAKES!!
4. After you complete #3, do another set of practice test in a similar manner
and find out what you get wrong, and study them.
5. Repeat #3 and 4, but this time, do the problems that you struggled
with and got wrong. If you struggle again, mark it again.
This is especially good for chemistry.
What I also did was, took a good AP chem book, and wrote down key concepts and ideas on a sheet of paper or two by chapter. Used colored pens to make topics distinct and easy to spot. This is esp handy the day before the exam. You can go through them very fast. Creat cheat sheet should be a long term goal, so get to it now! By the time I was done (after solving problems and everything), I had about 20 sheets, I could go through them in 30~50 min.
When you study, focus on the details of fundamentals and basic elements. Most PCAT questions aren't really based on calculation. It tests you whether you really know the basics well...For example, can you write down units of Molarity and Molality? Correct unit for R in PV=nRT? Differences between STP and Standard conditions?