Question

Question 20.01:

Where are the following hormone synthesised in plants?
IAA

Gibberellins

Cytokinins

Answer 1

IAA Indole Acetic Acid is the chemical name for auxin. It is synthesised at the growing apices of the plant, e.g., shoot tip, leaf primordia and developing seeds.

Gibberellins- It plays an important role in seed germination of plants and is synthesised in the apical shoot buds, young leaves, root tips and developing seeds.

Cytokinins This plays an important role in actively dividing cells and are synthesised mainly in roots, but synthesises also occurs in endosperm of seeds growing embryo and seeds etc.