Toss Up - Biology - Multiple Choice

Though their names come from the order in which they were discovered, there are other biological differences between Photosystem I and Photosystem II. Which of the following is correctly describes a difference between the two?
W) Photosystem II is affected by light greater than 680 nm while Photosystem I is not
X) Photosystem I is a participant in both cyclic as well as non-cyclic photophosphorylation while Photosystem II only participates in noncyclic photophosphorylation
Y) The active centre in photosystem I is the P680 form of chlorophyll while the active centre in photosystem II is the P700 form of chlorophyll
Z) Photosystem I is located on the inner surface of the thylakoid membrane while photosystem II is located on the outer surface of the thylakoid membrane