Question
Biology Question on plant growth and development
High concentration of auxin is present in
A
root apex
B
stem apex
C
node
D
petiole
Answer
stem apex
Explanation
Solution
The term 'auxin' is applied to the indole-3-acetic acid (IAA), and to other natural and synthetic compounds having certain growth regulating properties. They are generally produced by the growing apices of the stem, from where they migrate to the regions of their action.