Form 10: Comparing Xylem and Phloem Functions Exercise

Form 10: Comparing Xylem and Phloem Functions

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Form 10: Comparing Xylem and Phloem Functions

Compare and contrast the distinct functions, directions of transport, and structures of xylem and phloem vessels. Deepen your understanding of plant vascular tissues.

Questions

  1. MultiChoice

    Which option correctly contrasts xylem and phloem transport substances?

  2. MultiChoice

    Xylem tissue consists mainly of dead cells, whereas functional phloem tissue consists of:

  3. MultiChoice

    Wall thickening in xylem cells is made of lignin, whereas cell walls of phloem sieve tubes are made of:

  4. MultiChoice

    Transport in xylem is unidirectionally upward, whereas transport in phloem is:

  5. MultiChoice

    What force primarily drives movement in xylem compared to phloem?

  6. MultiChoice

    Which tissue is located closer to the outer bark in a mature woody dicot stem?

  7. MultiChoice

    What happens when a ring of bark (including phloem) is removed around a tree stem?

  8. MultiChoice

    In a vascular bundle of a young leaf, xylem is typically positioned toward:

  9. MultiChoice

    Which transport tissue uses energy (ATP) directly during the loading process?

  10. MultiChoice

    Which cell type is absent in xylem tissue?

  11. MultiChoice

    Which cell type is absent in phloem tissue?

  12. MultiChoice

    Why does xylem sap contain virtually no sucrose under normal conditions?