The best vital force theory was proposed by

Options

A. Godlewsky
B. Strasberger
C. Dixon
D. Esau

Answer

A

Explanation

The best vital force theory was proposed by Godlewsky in 1884. According to this ascent of sap take place due to rhythmic changes in osmotic pressure of living cells of xylem parenchyma and medullary ray and are responsible for bringing about a pumping action of water in an upward direction.