Plant hormone Flashcards
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3033565494 | Irritability | The ability of an organism to respond to stimuli | 0 | |
3033565495 | Stimuli | The change in the environment | 1 | |
3033565496 | Response | The reaction of any organism to stimuli | 2 | |
3033565497 | Control and co-rdination system | The system which controls and co ordinates the other organs and organ system | 3 | |
3033565498 | In plants | Plants are stationary..But they have cytoplasmic content moving in them. The control and co-operation is done by harmones | 4 | |
3033565499 | Plant hormones | Phytoharmones.they regulate the grow of the plant. They are also called grow regulators. | 5 | |
3033565500 | Types | Growth promoters - auxins, gibberlins, cytokinies, Growth inhibitors - ethylene and abscisic acid | 6 | |
3033565501 | Functions | Help in enlargement of cell , cell division , diffeciation, Help in the growth of leaves ,flowers , fruits Control falling of fruits , flowers Control premature weathering of fruits, leaves etc Break dormancy of fruits Induce parthanocarpy Help in opening of stomata Upward growth of shoot system | 7 | |
3033565502 | Plant hormones reaction | They are very slow Exception-insectivorous plants and dropping of mimosa pudica (touch me not) | 8 | |
3033565503 | Tropism | The movement of plants towards water , sunlight etc | 9 |