TLS Online TPP Program

#Question id: 13212


The water at the top of a tree develops a large tension (a negative hydrostatic pressure), and this tension pulls water through the xylem this mechanism is called ,

#XL - R Botany
  1. cohesion–tension theory of sap ascent
  2. Gravitational potential (ψg)
  3. Leaf air-water vapour concentration
  4. Transpiration