Question
Xylem and phloem.
| Xylem | Phloem |
| 1. It is a dead complex tissue. | It is a living complex tissue. |
| 2. It is composed of xylem, tracheids, vessels, xylem fibres and xylem parenchyma. | It is composed of sieve tubes, sieve cells, companion cells, phloem parenchyma and phloem fibres. |
| 3. It is also known as wood. | It is also known as bast. |
| 4. The cell walls are thick due to lignin. | The cell walls are thin. |
| 5. Xylem conducts water and minerals from roots to the stem and leaves. It also provides mechanical strength to the plant parts. | It is the chief food conducting tissue of vascular plants responsible for translocation of food from leaves to other plant parts. |
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