Question

The unit of water potential is_________

• A. psi
• B. no unit
• C. pascal
• D. mmole per kg

Answer 1

Answer:

C. pascal

• Pascal is the unit of water potential as it is also a kind of pressure.

• Psi is the Greek symbol use to the denote water potential.

• It must have a unit as it is not a ratio.

• mmole per kg is the unit of amount of micro and macro nutrients required by the plant.