With respect to the Ganong's potometer, ____________ is incorrect… - Vidyadip

MCQ

With respect to the Ganong's potometer, ____________ is incorrect.

A
Coloured water is used
B
Air bubble is introduced
✓
Reading on the capillary tube indicates the volume of water lost.
D
None of the above

✓

Answer

Correct option: C.

Reading on the capillary tube indicates the volume of water lost.

(c) Reading on the capillary tube indicates the volume of water lost.
Explanation:
As the transpiration proceeds, i.e., as the water is lost from the twig, a suction force is set up which pulls the water from the beaker and the bubble in the capillary tube moves along. The readings on the capillary tube would give the volume of water lost in a given time.

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