Column I | Column II |
Xylem | semi-permeable |
Phloem | permeable |
Cell membrane | downward flow of sap |
Root pressure | upward flow of water |
Cell wall | guttation |
Answer:
Column I | Column II |
Xylem | upward flow of water |
Phloem | downward flow of sap |
Cell membrane | semi-permeable |
Root pressure | guttation |
Cell wall | permeable |