Potometer works on the principle of :
- amount of water absorbed equals the amount transpired
- osmotic pressure
- root pressure
- potential difference between the tip of the tube and that of the plant
The Correct Option is A
Solution and Explanation
A potometer is an instrument used to measure the rate of transpiration in plants. It does so by allowing water to be taken up by the plant while simultaneously measuring the amount of water lost through transpiration. This principle helps in determining the rate of water uptake and transpiration in the plant.
So, the correct option is (A): amount of water absorbed equals the amount transpired
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Concepts Used:
Respiration in Plants
Respiration in plants is a process that entails the production of energy in plants. This process can simply be described as the intake of Oxygen and the release of Carbon Dioxide as an outcome of the oxidation of complex organic compounds. Though plants do not have any specific organ to balance the process of respiration, their stems, roots, and leaves do this work at a very low rate than other living beings. The process of respiration is very crucial for the plants to sustain the growth of the plant tissues.
This process can be stated as-
\[C_6H_{12}O_6 + 6O_2 → 6CO_2 + 6H_2O + \text{Energy}\]