Root pressure is ................. | vedclass

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(B) Root pressure is a positive pressure that develops in the xylem sap of roots of plants. It is primarily a result of active absorption of mineral n

Vedclass · Accepted Answer

The combined turgor pressure of cortical cells.

Vedclass · Answer

(B) Root pressure is a positive pressure that develops in the xylem sap of roots of plants. It is primarily a result of active absorption of mineral nutrients from the soil by the root hairs. This leads to a decrease in the water potential of the root cells,causing water to enter the roots by osmosis. As water enters,it builds up a positive hydrostatic pressure in the xylem. This pressure is essentially the result of the combined turgor pressure of the cortical cells,which pushes the water upward through the xylem vessels.

Root pressure is $................$.

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