Hello i am getting ready to take my exam soon i've been using topscore, kaplan subject tests, and destroyer to study with...........It seems to me that topscore is a little easy in sum sections and im not being cocky or anything i just want to know how valid are these questions compared to the real exam in everyones eyes............i read people find topscore to be quite close to the real exam.......and what about kaplan subject tests esp for orgo and gen chem? i've used destroyer as well i just want to know in everyones opinions what would resemble the exam most......i am more concerned about gen chem and organic chem i know bio is very random and math is quite challenging.....im also using crack dat pat and im hoping my scores for that are valid in terms of the real exam as well.........thank you in advance for helping.