Plant Growth And Development Question 49
Question: Classical experiments on growth were performed by [NCERT 1980]
Options:
A) Lamarck and Boysen-Jennsen
B) Boysen-Jennsen and Darwin
C) Darwin and Lamarck
D) de Vries and Paul
Show Answer
Answer:
Correct Answer: B
Solution:
The existence of the first plant growth hormone came from the work of Darwin and his son Francis.
They found that bending movement of coleoptile of canary grass was due to exposure of tip to unilateral light.
Boysen-Jenson found that the tip produces a chemical which was later named auxin.
BETA
