My first practical exam was last term for Bio and i honestly did not know how it works. What i wish i had done was looked over every single experiment done in class and just remembered how to do each one and maybe even memorise results as a back up in case you mess up. With me i definetly did not study the experiments hard enough and when i got to the exam i really stared at the equipment for a good 10 mins not knowing what to do until i just did what everyone else was doing and somehow passed the exam. So yea look over the experiments and make sure you can write a report on each and just gather some simple background information on each experiment and you should be okay. GOOD LUCK!!
Sent from my SM-G930F using Tapatalk