The traces of these element is required for the plant's growth. These are:

iron and silver

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calcium and plutonium

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nitrogen and nickel

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iron and manganese

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Solution

The correct option is D iron and manganese
Trace elements:-
Iron(Fe)- assists in the manufacture of chlorophyll and other biochemical processes.
Manganese(Mn)- is needed for chlorophyll production.

Suggest Corrections

	Elements		Functions
(a)	Iron	(i)	Photolysis of water
(b)	Magnesium	(ii)	Required for chlorophyll biosynthesis
(c)	Chlorine	(iii)	Maintains anion cation balance
(d)	Manganese	(iv)	Helps to maintain ribosome structure

	Column-I		Column-II
(a)	Iron	(i)	Photolysis of water
(b)	Zinc	(ii)	Pollen germination
(c)	Boron	(iii)	Required for chlorophyll biosynthesis
(d)	Manganese	(iv)	IAA biosynthesis