Concept:Water moves from an area of higher water potential to an area of lower water potential by osmosis.
Explanation:The external solution has higher water potential than the plant cell.
Therefore, water enters the cell through the selectively permeable membrane.
As water enters, the cell enlarges and pushes against its rigid cell wall.
The cell wall prevents the cell from bursting.
This makes the cell firm, or turgid.
Answer:B. enlarge and become turgid.