The water potential of pure water at standard atmospheric pressure is $.............$.

As a result of endosmosis,$\psi_{w}$ of a cell:

If solution $A$ has $\Psi = -1000$ and $B$ has $\Psi = -2000$ are separated by a semipermeable membrane,which sentences are correct?
$(i)$ Solution $A$ has greater osmotic pressure
$(ii)$ Osmosis occurs toward $B$
$(iii)$ $A$ has more free water molecules
$(iv)$ At equilibrium,both will have the same water potential
$(v)$ Osmosis occurs toward $A$

Which of the following is the unit of measurement of water potential?

Water potential can be obtained by

Select the correct option regarding water potential components.