Questions 20-24 are based on the following diagram of the dicot primary root: fl

Question

Questions 20-24 are based on the following diagram of the dicot primary root: flow of wate to the iasr ale For questions 20-24, ndicate the LETTER of the structures labres belox to -hich they best correspond. 20. This structure fures with the structure labeled Y to become the vascular combium. 20. This structure fuses with the structure lha 21. In the region of maturation, branch ron ore 22. Apoplastic water flow is blocked by a structure contained In this 23. Cells of this type may contain amyloplasts. 24. Higher water potential here will Initiate tension that puls water toward the crown of the roots are inisicted here. leyer of cells lant.

Explanation / Answer

Endodermis (V) is the structure that is combined in the layer of cells and blocks the apoplastic water flow.

Amyloplasts are present in pericycle cells (Y).

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