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| 1. |
Chemical cordination in plants |
| Answer» The hormones that control and coordinate the activities in plants are called plant hormones or phytohormones.The four types of plant hormones are:(i) Auxins - It promotes cell enlargement and cell differentiation in plants.(ii) Gibberellines - It helps in breaking the dormancy in seeds and buds.(iii) Cytokinins - It promotes cell division in plants.(iv) Abscisic acid - It promotes the dormancy in seeds and buds. | |