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…The mass of water vapour in a given volume of air is…If the partial pressure of water vapour at 27°C is…The process of water loss and intake indicated by…A quantity of hot water at 100ºC is added to 400g of…