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Question

Which of the following potometers help in measuring the rate of intake of water by the plant? 


  1. Farmer's potometer

  2. Ganong's potometer

  3. Darwin's potometer 

  4. Garreau's potometer 


Solution

The correct options are
A

Farmer's potometer


B

Ganong's potometer


Farmer's potometer and Ganong's potometer help in measuring the rate of intake of water by the plant. Darwin's potometer helps demonstrate the suction force created due to transpiration. Garreau's potometer helps to demonstrate unequal transpiration from the two surfaces of a dorsiventral leaf. 

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