Transport in Plants

Start Practice Clear paper filter

1. 1 2017 Transpiration – mechanism of stomatal opening
   Which of the following facilitates opening of stomatal aperture?
   A Contraction of outer wall of guard cells B Decrease in turgidity of guard cells C Radial orientation of cellulose microfibrils in the cell wall of guard cells D Longitudinal orientation of cellulose microfibrils in the cell wall of guard cells
   Check Answer
2. 2 2017 Water potential
   The water potential of pure water is
   A Zero B Less than zero C More than zero but less than one D More than one
   Check Answer

Next chapter: Mineral Nutrition