First slide

Plant-Water Relations

Question

When the cells are placed in a hypotonic solution

Easy

A

Water diffuses into the cell causing the cytoplasm to build up a pressure against the wall and it is called turgor pressure.
B

There is no net flow of water towards the inside or outside.
C

Plasmolysis occurs
D

Cells become flaccid

Solution

When the cells are placed in a hypotonic solution (higher water potential or dilute solution as compared to the cytoplasm), water diffuses into the cell causing the cytoplasm to build up a pressure against the wall, that is called turgor pressure. The pressure exerted by the protoplasts due to entry of water against the rigid walls is called pressure potential.

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