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  • Where are the following hormones synthesised in plants (a) IAA (b) Gibberellins (c) Cytokinins

Where are the following hormones synthesised in plants
(a) IAA
(b) Gibberellins
(c) Cytokinins

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Ans.

(a) IAA is synthesised mainly in the shoot apices, primarily in the growing apices of plant. This includes the leaf primordial and developing seeds.

(b) Gibberellin hormone is synthesised in plants primarily in apical shoot buds,root tips as well as developing seeds.

(c) Cytokinin is synthesised in plants primarily in roots, endosperm region in the seeds as well as developing shoot buds and growing embryos.

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