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  • Light plays an important role in the life of all organisms Name any three physiological processes in plants which are affected by light.

Light plays an important role in the life of all organisms. Name any three physiological processes in plants which are affected by light.

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Ans. The physiological processes in plants that are affected by light are: -

  • Photosynthesis,
    This is the process through which the plant manufactures its own food in the presence of sunlight by utilizing inorganic substances.
  • Transpiration
    This is the process by which plants experience water loss in the form of vapour or dew formed on the leaves, primarily through the stomata. This process requires sunlight as the stomata are active and functioning only in the presence of sunlight.
  • Photoperiodism
    This process typically decides the flowering of the plant, and the number of light hours affects this growth.
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