Transport in Plants Question 32
32. Water movement between cells is due to
[1992]
(a) T.P.
(b) W.P.
(c) D.P.D
(d) Incipient plasmolysis
Show Answer
Answer : c
Hints & Solutions
(c) Water is absorbed by a system having higher DPD from another system with lower DPD. The net force with which water is drawn into a cell is equal to the difference of osmotic pressure (OP) and turgor pressure known as diffusion pressure deficit (DPD). $DPD=OP-TP$
