Adhesion in the xylem is the attraction between

  1. sucrose and water
  2. xylem and phloem
  3. water molecules themselves
  4. water molecules and the cellulose of the walls
Answer

D) water molecules and the cellulose of the walls

Water H-bonds to wall molecules. AS & A Level Biology · Topic 7 Transport in Plants · 7.2 Transport mechanisms

Biology MCQ · More A Level Biology: Transport in plants MCQs · Practise