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Question

What are the methods used by plants to get rid of excretory products?


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Solution

Excretion:

  1. It is the process of removing the waste or toxic substances from the tissues and cells of an animal or plant.

The following are the ways by which excretory products are removed by the plants:

  1. Water is consumed by the plants for their life processes, however, all the water is not used up by the plants, and the extra water is removed by the process of transpiration.
  2. Transpiration is the exhalation of water vapor via the stomata.
  3. The gaseous wastes like carbon dioxide during night are removed through the stomata present on the surfaces of the leaves.
  4. Some of the excretory wastes gather in the vacuoles of the cell, which ultimately turn into gum and resin. These wastes are witnessed in old xylem tissues, which eventually droop or wither away.
  5. Some of the excretory products of plants are stored in the form of latex and oil in the bark of trees.

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