The roots that originate from the base of the stem are:
1. | Primary roots | 2. | Prop roots |
3. | Lateral roots | 4. | Fibrous roots |
Root hairs develop from the region of:
1. | Elongation | 2. | Root cap |
3. | Meristematic activity | 4. | Maturation |
In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order:
1. | Root cap, cell division, cell maturation, cell enlargement |
2. | Cell division, cell enlargement, cell maturation, root cap |
3. | Cell division, cell maturation, cell enlargement, root cap |
4. | Root cap, cell division, cell enlargement, cell maturation |
Pneumatophores are found in:
1. The vegetation is found in marshy and saline lake
2. The vegetation is found in saline soil
3. Xerophytes
4. Epiphytes