| 1. | Thorns of citrus |
| 2. | Tendrils of cucumber |
| 3. | Flattened structure of Opuntia |
| 4. | Pitcher of Nepenthes |
Root hairs develop from the region of:
| 1. | Elongation | 2. | Root cap |
| 3. | Meristematic activity | 4. | Maturation |
In Bougainvillea thorns are the modifications of:
1. Adventitious root
2. Stem
3. Leaf
4. Stipules
Coconut fruit is a:
| 1. | Berry | 2. | Nut |
| 3. | Capsule | 4. | Drupe |