Q. The process in which water is split during photosynthesis is :

 2351  203 Haryana PMTHaryana PMT 2003 Report Error

Solution:

Photolysis of water occurs at grana i.e., lumen side of grana thylakoid membrane with the help of water splitting complex or OEC (oxygen evolvong complex). This step is associated with PS- II of Z- scheme.
Three minerals ion, are associated with splitting of water.