Agile methods comprise of 45 subprocesses which are organized into eight process groups.

If this is a true or false question, then it is false that agile methods comprise of 45 subprocesses which are organized into eight process groups. This is because all agile methods include an iterative workflow and incremental delivery of software in short iterations.
However, this definition does refer to something - PRINCE2. 

*insert ribbon > table drop-down menu* would allow you to insert a quick table