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The metal present in vitamin B12 is:
1. Sodium
2. Cobalt
3. Magnesium
4. Iron

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Correct Answer - Option 2 : Cobalt

The correct answer is Cobalt

  • Vitamin B12 is also known as cobalamin.
  • It is also called cobalamin because of cobalt (Co).
  • Vitamin B12 is the largest and complex vitamin of all.
  • It is having molecular formula, C63H88CoN14O14P
    • It is naturally found in animal foods, including meats, fish, poultry, eggs, and dairy.
    • Vitamin B12 contains a metal component.
    • It is required for the formation and maturation of RBCs.
    • Pernicious anaemia is a Vitamin B12 deficiency disease

.

  • Vitamin A is also called Retinol(Chemical name).
    • Helps for good vision and maintains healthy eyes.
    • Deficiency diseases: Night blindness and Xerophthalmia.
  • Vitamin C is a water-soluble vitamin.
    • Chemical name: Ascorbic acid.
    • Helps for keeping teeth, gums, and joints healthy.
    • Deficiency diseases: Scurvy.
  • Vitamin E is a fat-soluble vitamin.
    • Chemical name: Tocopherol.
    • Act as an antioxidant to protect body tissue from damage caused by unstable substances called free radicals.
    • Deficiency diseases: Sterility.

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