Vitamin B12 contains metal [Bihar MEE 1997; RPET 1999; Pb. PMT 199 | Filo
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Biomolecules

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Vitamin B12 contains metal [Bihar MEE 1997; RPET 1999; Pb. PMT 1999; AFMC 2002; CBSE PMT 2003; CPMT 2003; MP PMT 2003]

  1. Ca (II)
  2. Zn (II)
  3. Fe (II)
  4. Co (III)
Correct Answer: Option(d)
Solution:                 CO (III) Transition metal is present in vitamin B12.
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