Match the following concerning essential elements and their function in plants:
| a | Iron | (i) | Photolysis of water |
| b | Zinc | (ii) | Pollen germination |
| c | Boron | (iii) | Required for chlorophyll biosynthesis |
| d | Manganese | (iv) | IAA biosynthesis |
Option: 1
| (a) | (b) | (c) | (d) |
| (ii) | (i) | (iv) | (iii) |
Option: 2
| (a) | (b) | (c) | (d) |
| (iv) | (iii) | (ii) | (i) |
Option: 3
| (a) | (b) | (c) | (d) |
| (iii) | (iv) | (ii) | (i) |
Option: 4
| (a) | (b) | (c) | (d) |
| (iv) | (i) | (ii) | (iii) |
In option (b) the essential elements are matched with their correct function in plants.