Answer: turgid.
- A turgid
- B plasmolysed
- C flaccid
- D completely dead
Correct answer: A. turgid
Explanation: A turgid cell is firm because it is full of water, pressing on its wall.
Water can travel through cell walls (apoplast) or cell-to-cell through the cytoplasm (symplast) - but the Casparian strip at the endodermis blocks the apoplast route entirely, forcing everything through a selectively permeable membrane (symplast) before it can enter the xylem.
Concept context
Water and mineral absorption, the ascent of sap, transpiration, and phloem transport via the pressure flow hypothesis.