The opening of the guard cells of the epidermis in plants is by the process of? By: Sunday|Published on: Nov 21|Categories: Biology WAEC| 0 comments A. osmosis B. diffusion C. active transport D. transpiration Correct Answer: Option A A. osmosis Users Also Read These:The male sex cells also called gametes are produced…The mechanism of opening and closing of stomata in…The epidermis of a leaf is considered an example of…The process of meiosis in plants ensures the…Which process does NOT represent a form of…SEE ALSO Which of the following is not true about a potted plant left in the laboratory for one week without watering?