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प्रश्न
Give two differences between heartwood and sapwood.
उत्तर
| Sapwood (Alburnum) | Heartwood (Duramen) |
| 1. It is the outer wood of an old stem. 2. It is light coloured. 3. Living cells are present. 4. Sapwood is the functional part of the secondary xylem or wood. |
1. It is the central wood of an old stem. 2. Heartwood is dark coloured. 3. Living cells are absent. 4. Heartwood is the non-functional part of secondary xylem. (any two points) |
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