Grapes immersed in water would shrink if

When does the absorption of soil water occur through root hairs?

If a potted plant is surrounded by an overdose of urea around it,what will happen?

The cell given in the diagram below shows a shrunken protoplasm. Which one of the following is an $INCORRECT$ statement regarding this cell?

$A$ cell is placed in $0.4 \; M$ solution of sugar and no change in volume of cell is found. What is the concentration of the cell sap (in $; M$)?

If the external solution is less concentrated than the cytoplasm,it is called $P$. If the external solution is more concentrated than the cytoplasm,it is called $Q$. If the external solution balances the osmotic pressure of the cytoplasm,it is called $R$.