Question

Cobalt containing vitamin is

• A. Vitamin $B_2$
• B. Vitamin $B_6$
• C. Vitamin $B_{12}$
• D. Vitamin $B_4$

Answer 1

Answer: (C)

Vitamin $B_{12}$

Answer 2

Vitamin $B_{12}$, a complex water-soluble organic compound that is essential to a number of microorganisms and animals, including humans. It aids in the development of red blood cells in higher animals. The unique metallic ion available in the vitamin is cobalt.