Give an example of a plant hormone that promotes growth.

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Solution

Auxin is an example of a growth-promoting plant hormone. Auxin promotes elongation in shoots and coleoptiles. Auxin promotes healing. It helps in cell differentiation and regeneration of vascular tissues (phloem, xylem).Auxin along with cytokinin induces callus formation in explant and stimulates morphogenesis.Auxin promotes secondary growth and induces cell division in the vascular cambium

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