The diagram presents a xerophytic leaf under two conditions, P and Q. Which statements describe how the cells in layer Y differ between conditions P and Q? 1. more negative water potential in P than Q 2. more cells plasmolysed in P 3. cells less turgid in Q 4. water potential becomes zero in Q
- A1, 2 and 3
- B1 and 2 only
- C2 and 4
- D3 and 4