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:The instrument is used to measure?The rate of transpiration of a leafy shoot can be…The rate of transpiration is NOT affected by?Which of the following is used to measure the rate…STB 412 Theory Questions: Transpiration as a…