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| 1. |
short note on plant movement |
| Answer» Phototropism:It is the directional movement of plant part in response to light stimulus.If plant part move towards light it is called as positive phototropism.For Ex:Stem or shootIf plant part move away from light it is called as negative phototropism.For Ex:Roots2)Geotropism:It is the response to gravity.If the plant part moves in the direction of gravity it is called positive geotropismFor Ex:Roots grow downwards.If the plant part moves against the direction of gravity it is called negative geotropism.For Ex:Stem grows upwards3)Chemotropism:Response to chemical stimuli.If Plant part move towards chemical stimuli it is positive chemotropismIf plant part move away from chemical stimuli it is negative chemotropism.4)Hydrotropism:Response to waterWhatsAppFacebookTwitterGoogle+chemotropism, geotropism, hydrotropism, negative chemotropism, negative geotropism, negative phototropism, negative stimulus, phototropism, plant movement, positive chemotropism, positive geotropism, positive phototropism, positive stimulus, stimulus, tropic movement, tropism | |