Water movement between cells is due to:
Correct answer: C. Diffusion pressure deficit
- A. Turgor pressure
- B. Wall pressure
- C. Diffusion pressure deficit
- D. Incipient plasmolysis
Explanation
Water movement between cells is due to DPD. If a cell is placed in pure water it shows endosmosis and as a result, water enters into the cell. Thus, the osmotic entry of water is due to high osmotic pressure of the cell sap. The inward movement of water is, therefore due to the fact that it's OP > TP. The net force with which water is drawn into a cell is equal to the difference of OP and TP, known as diffusion pressure deficit. DPD = OP - TP. So correct option is C.
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