Which of the following instruments is used to measure relative humidity? By: Sunday|Published on: Sep 7|Categories: Biology JAMB| 0 comments A. Hydrometer B. Thermometer C. Hygrometer D. Anemometer Correct Answer: Option C – Hygrometer Users Also Read These:Which of the following instruments can be used to…Which of the following instruments may be used to…A relative humidity of 100 percent means that air is?Which of the following instruments is used to…The instrument used to measure the relative humidity is?SEE ALSO The capture and digestion of insects by a pitcher plant is a special form of nutrition termed?