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

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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). $DPD=OP-TP$



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