Q957
Synthesis of IAA in plants requires
A.
Copper
B.
Nitrogen
C.
Zinc
AnswerD.
Boron
Answer: Option C
Solution
Answer: Option C
Solution:
Synthesis of IAA in plants requires Zinc.Plants also require zinc for the synthesis of tryptophan, a key amino acid in the synthesis of the auxin indoleacetic acid (IAA).
Therefore, zinc also operates in the control of plant development through its indirect action on auxins.