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Plant hormone Flashcards

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3033565494IrritabilityThe ability of an organism to respond to stimuli0
3033565495StimuliThe change in the environment1
3033565496ResponseThe reaction of any organism to stimuli2
3033565497Control and co-rdination systemThe system which controls and co ordinates the other organs and organ system3
3033565498In plantsPlants are stationary..But they have cytoplasmic content moving in them. The control and co-operation is done by harmones4
3033565499Plant hormonesPhytoharmones.they regulate the grow of the plant. They are also called grow regulators.5
3033565500TypesGrowth promoters - auxins, gibberlins, cytokinies, Growth inhibitors - ethylene and abscisic acid6
3033565501FunctionsHelp 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 system7
3033565502Plant hormones reactionThey are very slow Exception-insectivorous plants and dropping of mimosa pudica (touch me not)8
3033565503TropismThe movement of plants towards water , sunlight etc9
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