Question

From where the plant hormone originate/secreted

Answer 1

Answer:

stems, buds and root tips

Answer 2

Answer:

They are produced in the stem, buds, and root tips. Example: Indole Acetic Acid (IA). Auxin is a plant hormone produced in the stem tip that promotes cell elongation. Auxin moves to the darker side of the plant, causing the cells there to grow larger than corresponding cells on the lighter side of the plant. They are produced in growing areas, such as meristems at tip of the shoot