Search System (6th period Science) How is transpiration related to photosynthesis? 1)They are not related they are two separate processes that do not interact 2) Transpiration brings water cells photosynthesis carries it away 3) Transpiration delivers water needed for photosynthesis to the cells: 4) Photosynthesis creates water and sugar'lt a chemicalreaction and transpiration delivers the sugar dissolved in water to the plants root calls for food!​