Write the help suitable example explain the term phototropism geotropism and chemotropism
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1) Phototropism - in response to light.
ex- a potted plant kept near a window which is only site of light in that room ,in 2-3days you will see the result,we see that plant bends towards the light
2) Geotropism - in response to gravity
ex- if we see the roots of plant they are in the direction of gravity this shows Geotropism.
3) Chemotropism- in response to chemicals
ex- if we see growth of pollen tubes towards Ovules in the ovary this shows chemotropism
ex- a potted plant kept near a window which is only site of light in that room ,in 2-3days you will see the result,we see that plant bends towards the light
2) Geotropism - in response to gravity
ex- if we see the roots of plant they are in the direction of gravity this shows Geotropism.
3) Chemotropism- in response to chemicals
ex- if we see growth of pollen tubes towards Ovules in the ovary this shows chemotropism
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The growth of a plant part due to chemical stimulus is known as chemotropism or Chemotropism is the movement of a part of the plant in response to a chemical stimulus. The growth of pollen tube towards the ovule induced by a sugary substance as stimulus. This is an example of positive chemotropism.
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