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Q. In a turgid cell, value of which of the following is zero?

UP CPMTUP CPMT 2011

Solution:

In a turgid cell, turgor pressure $(TP)$ is equal to $WP$ (wall pressure) so suction pressure or $DPD$ becomes zero i.e., no more water can come inside. It can be shown by the following equation
$DPD (SP) - TP - WP$
$ \because TP - WP$ (in turgid cells)
$\therefore DPD$ or $SP - 0$