Q 21: If in a cell suction pressure value is 30 atm while osmotic pressure 42 atm, then calculate the turgidity developed in form of TP in the cell
(1) 12 atm                       (2) 72 atm                         (3) - 12 atm                   (4) 1.4 atm.

Dear student,
Answer is 1) 12 atm
Suction pressure is also called diffusion pressure deficit (DPD)
DPD = OP - TP, OP = osmotic pressure and TP = turgor pressure
​TP = OP - DPD
​TP = 42 - 30 = 12 atm

​Regards

 

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