In both transpiration and evaporation,water is lost in the form of vapour,yet they differ because:

• A
  Both transpiration and evaporation are similar but the rate of water loss differs.
• B
  Frequency of water loss is different in both of them.
• C
  Transpiration is a physical process and evaporation is a physical process.
• D
  Transpiration is a physiological process and evaporation is a physical process.