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28. Match the following concerning essential elements and their functions in plants:

	Column I		Column I
(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:

$(a) \to (iv), (b) \to (iii), (c) \to (ii), (d) \to (i)$
$(a) \to (ii), (b) \to (i), (c) \to (iv), (d) \to (iii)$
$(a) \to (iv), (b) \to (i), (c) \to (ii), (d) \to (iii)$
$(a) \to (iii), (b) \to (iv), (c) \to (ii), (d) \to (i)$

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