Correct option is D
The correct answer is: (D) Potometer
Explanation:
A Potometer is a device used to measure the rate of transpiration (the loss of water vapor from plant leaves).
It works on the principle that the rate of water uptake by a plant is directly proportional to the rate of transpiration.
As the plant transpires, it pulls water from the tube, and the movement of an air bubble in the tube helps measure the rate of transpiration.
Knowledge Booster:
- Atmometer: Measures evaporation rate.
- Psychrometer: Measures relative humidity in the air.
- Infrared Thermometer: Measures leaf temperature using infrared radiation.
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