Saved Bookmarks
| 1. |
Movement of substances in xylem is unidirectional while in phloem it is bidirectional. Why? |
|
Answer» Xylem conducts ”Water and minerals in upward direction only but phloem conducts food in downward direction and in spring season stored food is again transported to upward for bud growth. Hence movement of substances in xylem is unidirectional while in phloem it is bidirectional. |
|