| I. | Leaves are modified into tendrils for climbing as in pea. |
| II. | Leaves are modified into spines for defence as in cacti. |
| III. | The leaves of onion and garlic store food. |
| IV. | In Australian acacia, petioles expand, become green and synthesize food. |
| V. | The trapping structure of venus fly trap and pitcher of pitcher plant are modified leaves. |
| 1. | 2 | 2. | 3 |
| 3. | 4 | 4. | 5 |