Hydrotropism : The response of a plant part to water is called Hydrotropism, If the plant part moves towards water, it is called hydropism.
Experiment procedure :
(i) Plant a seedling in a vessel containing soil.
(ii) Adjacent to the seedling put a porous pot containing water.
(iii) Leave the soil up for few days.
Observation
On examinig the roots of seedling it is observed that the roots bend towards the source of water and do not grow straight.
Results : Root grows towards water called as hydrotropism.
