How to study for matric exam

 I am currently an MBBS student and It's my matric exam journey , I'll start with my expectations that I have for my exams marks because I was a medical aspirant from begining so it's obvious that I have to score well in matric as well as FSC. My preparation technique In 9th grade I did my preparation from different notes specially for my science subjects I collected a lot of stuff for that but at the end I realized that I should select a good one quality over quantity ,somehow I managed to get good marks. I was pretty happy untill and unless I checked out my detail mark sheet where I find out that I could score more better if focused on all subjects not only sciences because that also have huge contribution in my percentage.  Mistakes not to do I thought that  compulsory subjects ( other than science subjects) are easy to pass but I forgot that I have to do well in them too ..So guys don't make this mistake that I made because it makes a huge difference in your percent...