1: If you had a choice between becoming a necron or simply dying what would you do?
Die. You'd just become a machine and that would be like death.
2: Likewise, serve chaos or accept death?
Die. Traitor Scum.
3: Let the DE capture you or take the bullet?
Bullet - death is coming to you whether you like it or not.
4: Fight the tyranid to the finish or just end it?
Fight until I'm just about to be overrun and then end it!