The opening and closing of the stoma are regulated by? by Sunday | Sep 9 | Biology JAMB | 0 comments A. transpiration B. respiration C. diffusion D. osmosis Correct Answer: Option D – osmosis Users Also Read These:Maintenance of osmotic balance in body cells of…The addition of prime cost; indirect cost and…Opening the stock plug plus purchase of less closing…In a regulated market; price is determined by?The subscriptions received represent 80% of total…