A) Equal to the value of osmotic potential
B) Equal to the value of pressure potential
C) Greater than the value of its osmotic potential
D) Equal to zero
Correct Answer: A
Solution :
In very dry soils, the water potential \[({{\psi }_{w}})\] may fall below which is called the permanent wilting point. At this point, the water potential of the soil is so low that plants cannot regain turgor pressure, even if all water loss through transpiration ceases, This means that the water potential of the soil \[({{\psi }_{w}})\] is less than or equal to the osmotic potential \[({{\psi }_{s}})\] of the plant.You need to login to perform this action.
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