Which is the most important precaution to be obsxerved in finding out of the rate of transpiration through ganong's potometer

Options

A. A broadleaf plant needs to be selected
B. The experimental shoot should be obliquely cut
C. The shoot should be cut under water
D. Apparatus to be filled with water

Answer

C

Explanation

The shoot should be cut under water as it explains the rate of transpiration.