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| 1. |
What is a plant hormone Name four plant hormones. State one function of each. |
| Answer» Control and coordination in plant is performed by chemical substance called plant hormone.There are four plant hormones1.auxins2.gibberellins3.ethylene4.cytokinins1.function of auxins:In cell inlongation, in root formation. Formation of fruit without pollination. 2. Funtion of gibberellins :In elongation of stem, seed germination, formation of flowers3.Function of ethylene : Root hair formation, seed germination 4.Function ofcytokinin:In cell division, root and shoot are growth | |