...I got the answer to the question correct but it claims I am wrong
First thing to do is to clear your cookies that relate to Planetarion. You can either clear all the cookies on your computer or you can simply delete the Planetarion related ones from the folder they are stored in.
Then proceed to
http://game.planetarion.com/login.pl and attempt to login again. If you get a question which you think you have the answer correct to and it claims it is wrong then please repeat the process. There appear to be only one or two questions out of several thousand possibilities which contain errors.