| I: | Pulvinus leaf base is present in some leguminous plants. | 
| II: | In Eichhornia the petioles expand, become green and synthesise food. | 
| III: | Opposite phyllotaxy is seen in guava. | 
| Column I | Column II | 
| A. Opuntia | 1. Stem thorns | 
| B. Asparagus | 2. Phylloclades | 
| C. Citrus | 3. Cladodes |