A link to the Welsh Board webpage that deals with your subject. There you will find resources that you can download including a specimen question paper.
http://www.wjec.co.uk/index.php?subject=54&level=7&imageField2.x=55&imageField2.y=18
http://www.wjec.co.uk/index.php?subject=54&level=7&imageField2.x=55&imageField2.y=18
