I did Edexcel units 1 & 8 - most of it was memorisation, knowing bible quotes and common sense (EG 'What is the UK law on abortion, 8 marks) The harder paper was the paper was the Islam paper - purely because we only covered Islam in year 11, whereas we'd done Christianity all the way through school.
I would say you have to be careful though, it's so easy, the grade boundaries are ridiculously high.
-Buddhists would say yes because karma... (explain further)
-Buddhists would say yes because ahimsa... (explain further)
-Christians would say yes because stewardship... (explain further)
-Christians would say yes because [insert other religious teachings quote]... (explain further)
-I think... (explain your POV)
-However others may disagree with me because... (explain disagreeing POV)
Boom, full marks.