Biology for IGCSE & O level - Transport In Plants (Section 5 - No. 5)
Which of the following is the best definition of water potential?
The potential energy of water per unit volume, relative to pure water.
The ability of a plant to absorb water.
The pressure exerted by water.
The water content of the soil.
Explanation
Water potential is a measure of the potential energy of water in a system.
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