Components of Water Potential:
	- Pressure Potential (ψP): It is the hydrostatic pressure of a solution. It is taken as zero at atmospheric pressure. It is generally positive but negative pressure also builds up in the xylem vessels. When pressure is applied externally, water potential becomes positive.
 
	- Osmotic Potential or Solute Potential (ψs): It is the potential developed due to the addition of the solute. 
 
	- Gravity: It is generally taken negligible.
 
	- Matrix Potential: When the hydrating colloids adsorb water on their surfaces, free energy is released. This is called matrix potential. It is always negative. It is also taken as negligible.
 
	- Therefore, the water potential can be given as:
	
		- Water Potential = Pressure Potential + SolutePotential
 
	
	 
Water potential does not depend on the type of solute in water. Hence, the correct answer is option 4
                
                
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