alleryStart learning →Which theory of ascent of sap is most widely accepted today?
AVital force theory
BRoot pressure theory
CCohesion-tension theory
DRelay pump theory
Answer & Solution
Correct answer: C. Cohesion-tension theory
Dixon and Jolly's cohesion-tension theory best fits observations and is widely accepted.
Keep practising Plant Water Relations
Browse all Plant Water Relations questions for MHT-CET, or explore more Biology topics.
Related questions
The special properties of water are mainly due to which bonds?Excessive transpiration most directly leads to what in plants?Who regarded transpiration as a necessary evil?Which hormone prevents K+ and Cl- uptake by guard cells at night?Which compound formed in guard cells raises osmolarity in the proton transport theory?At night, guard cells become flaccid and the stoma does what?Stomata open during the day because guard cells become what?Which part of a guard cell wall is thick and inelastic?