Quiz on Water Potential in Plants

What is the main factor contributing to water potential in plant cells?

• All of the above

• Concentration

• Pressure

• Gravity

What is the equation to calculate osmotic potential in a solution?

• Ψs = - RTc

• Ψs = - RT/c

• Ψs = RTc

• Ψs = RT/c

What does hydrostatic pressure represent in water potential?

• The pressure required to prevent osmosis

• The pressure due to gravity

• The hydrostatic pressure within cells

• The pressure exerted outwardly against the cell wall

What is the effect of dissolved solutes on water potential?

• Increase the free energy of water

• Dilute the water

• Reduce the free energy of water

• Increase the osmotic potential

What is the main component of water potential in plant cells that arises from the force exerted against the cell wall?

• Gravity potential

• Turgor potential

• Pressure potential

• Osmotic potential