A) Vitamin \[{{B}_{6}}\]
B) Vitamin \[{{B}_{2}}\]
C) Vitamin \[{{B}_{1}}\]
D) Vitamin \[{{B}_{12}}\]
Correct Answer: D
Solution :
Vitamins are composed of carbon, hydrogen and oxygen. Generally no metals are found in vitamins. But there are only two vitamins which contain metals. \[{{B}_{9}}\] (Folic Acid) contains iron which is helpful in the production of RBC. \[{{B}_{12}}\] (Cyano Cobalamine) contains Cobalt which is helpful in the growth of RBC.
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