Multiple choice

Who proposed “relay pump theory” of the ascent of sap?

  1. Bose

  2. Godlewski and Westermeyer

  3. Strasburger

  4. Sachs

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The relay pump theory, which suggests that living cells in the xylem parenchyma act as pumps to move sap upward, was proposed by Godlewski and Westermeyer.