Question

what is directional movement of xylem and pholem ,what is the process called?

Answer 1

Answer:

Thus, the movement of food in the phloem is bidirectional (i.e., upward and downward). The transport of water in the xylem takes place only from the roots to the leaves. Therefore, the movement of water and nutrients in the xylem is unidirectional.

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Answer 2

There is upward movement of the substances in the xylem whereas there is bidirectional flow in the phloem. This is known as conduction it of substances

Explanation:

• Zxylem and phloem are known as the conducting tissue of the plant.

• The xylem helps in the movement of the water and Minerals from  the roots of the plant to the other parts of the plant.   
• On the other hand of phloem helps in the movement of the food which is produced by the process of photosynthesis from the leaves of the plant to all the other parts of the plant.

To know more about xylem,

Why xylem is called complex permanent tissue? -

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