The instrument used to measure the rate of transpiration in plants is called a/an? by Sunday | Apr 29 | Biology NECO | 0 comments A. Anemometer B. Barometer C. Hydrometer D. Photomer E. Potometer Correct Answer: Option E – Potometer Users Also Read These:In surveying; the instrument used to measure…Water vapour is lost in plants during transpiration through?Which of the following is used to measure the rate…The rate of transpiration is NOT affected by?The rate of transpiration of a leafy shoot can be…