(SPOILER)
21. How many forms of "Jenova" do you fight in the game?
3

22. Where does Aerith keep the Holy materia?
In her hair ribbon

23. Where can you find the Fourth Bracelet?
I dunno

24. What color Chocobo is needed to receive the Knights of the Round materia?
black

25. What is the name of Barret's wife?
I don't know