Classical experiments on growth were performed by

Options

A. Lamarck and Boysen -Jennen
B. Boysen -Jennsen and darwin
C. Darwin and lamarck
D. De veries and pual

Answer

b

Explanation

(b) The existance of first plant growth hormone came from the work of Darwin and Darwin. They found that bending movement of coleoptile of canary grass was due to exposure of tip of unilateral light. Boysen - Jenson found that the tip produces a chemical which was later named auxin.