Paper 1 · November 2025 · Biology
The diagram shows a plant cell.
Which part maintains the shape of the cell?
AA
BB
CC
DD
Explanation
C points to the outermost layer, the cellulose cell wall, which is rigid and keeps the cell's shape; A is the vacuole region, B and D are chloroplasts.
ZIMSEC Combined Science 4003/1, November 2025, Q1