The structure that controls loss of water vapour during transpiration is labelled? by Sunday | Sep 8 | Biology JAMB | 0 comments A. l B. ll C. lll D. lV Correct Answer: Option D – lV Users Also Read These:One mole of a hydrocarbon contains 36g of carbon and…Which of the following substances is greater in…A quantity of hot water at 100ºC is added to 400g of…Water vapour is lost in plants during transpiration through?A quantity of water at 20ºC is mixed with another…