Two cells A and B are contiguous. CelI A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure
Two cells A and B are contiguous. CelI A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. CelI B has osmotic pressure 8 atm, turgor pressure 3 atm and diffusion pressure deficit 5 atm. The result will he
(a) Movement of water from cell B-A
(b) No movement of water
(c) Equilibrium between the two
(d) Movement of water from cell A-B
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Correct option (d) Movement of water from cell A-B
Explanation :
The water moves from lower DPD to higher DPD, i.e from cell A to cell B. This is because when a cell is placed in pure water, the water enters into the cell as a results of the diffusion prerssure deficient (DPD) of cell sap.
DPD = OP - TP
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