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:If the opening stock is Le200, cost of goods sold…If the opening stock of Ali ltd is N40,000, cost of…The mechanism of opening and closing of stomata in…Opening balance of Diks company was #12,202, closing…The subscriptions received represent 80% of total…