You can access this type of MCAT test and many others online through the Testing & Education Reference Center. Connect to this database by going to the database page: http://www.uflib.ufl.edu/databases.html and searching for "testing."
You can access an online practice test for the MCAT in the database: Testing & Education Reference Center. To connect, go to the Databases search page (http://www.uflib.ufl.edu/databases.html) and type in "testing"