CAPE Biology Unit 1 · 2015 · Paper 1 · Question Q12

A plant cell is placed in Solution A, which has a lower water potential than the cell contents. Which of the following combinations shows the MOST likely change in the cell and the cause of the change?

1. (A)Change: Becomes turgid.; Cause: Solution A moves into the cell.
2. (B)Change: Becomes turgid.; Cause: Water diffuses into cell.
3. (C)Change: Becomes flaccid.; Cause: Water diffuses out of the cell.
4. (D)Change: Becomes flaccid.; Cause: Solution A does not move into the cell.