| 1. | Pneumatophores | 2. | Prop roots |
| 3. | Stilt roots | 4. | Storage roots |
Plants which produce characteristic pneumatophores and show vivipary belong to:
1. Halophytes
2. Psammophytes
3. Hydrophytes
4. Mesophytes
Roots play an insignificant role in the absorption of water in:
1. Sunflower
2. Pistia
3. China rose
4. Wheat