Question: Choose the word which is different from the rest.
[A].Thermocouple[B].Hygrometer
[A].Thermocouple[B].Hygrometer
[C].Anemometer
[D].Seismograph
Answer: Option E
Explanation:
All except Sphygmomanometer are geographical instruments, while sphygmomanometer is a clinical instrument to measure blood pressure.