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Question
The turgidity of the guard cells is maintained by
The turgidity of the guard cells is maintained by
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Solution
The correct option is A OP
When the surrounding solution is less negative than that of the cell sap. Water will move from a region of less negative (high) to a region of more negative (low) water potential. OP (osmotic pressure) will cause entry of water inside guard cells, which creates TP (turgor pressure). The TP is balanced by WP (wall pressure). So, OP actually creates TP and WP and OP is responsible for turgidity of guard cells. Thus, the correct answer is option A.
When the surrounding solution is less negative than that of the cell sap. Water will move from a region of less negative (high) to a region of more negative (low) water potential. OP (osmotic pressure) will cause entry of water inside guard cells, which creates TP (turgor pressure). The TP is balanced by WP (wall pressure). So, OP actually creates TP and WP and OP is responsible for turgidity of guard cells. Thus, the correct answer is option A.
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