Plant Growth And Development Question 197
Question: Cell elongation in internodal region takes place due to [CPMT 1989; CBSE PMT 2004]
Options:
A) Gibberellins
B) Ethylene
C) Cytokinins
D) Indole acetic acid
Show Answer
Answer:
Correct Answer: A
Solution:
The gibberellins induce elongation of the internodes.
The elongation of stem results due to rapid cell division and cell elongation induced by gibberellins.