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Match the following concerning essential elements and their functions 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 Select the correct option:

1. (a) (iv) (iii) (ii) (i)
2. (b) (iii) (iv) (ii) (i)
3. (c) (iv) (i) (iii) (ii)
4. (d) (ii) (i) (iv) (iii)

Correct answer: (b) (iii) (iv) (ii) (i)

Solution

Zinc is needed for IAA biosynthesis, iron is required for chlorophyll biosynthesis, boron supports pollen germination, and manganese is involved in photolysis of water. Putting these in order gives (b)-(iii), (iv), (ii), (i).

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