The opening of the guard cells of the epidermis in plants is by the process of? by Sunday | Nov 21 | Biology WAEC | 0 comments A. osmosis B. diffusion C. active transport D. transpiration Correct Answer: Option A A. osmosis Users Also Read These:SS2 Chemistry Lesson Note on E.M.F of Cells and…Explain the main uses of the following circular saw…The male sex cells also called gametes are produced…In which of the plant tissues are guard cells located?Animal cells are different from plant cells because…