Which of the following is an organic molecule needed by the body in small amounts? (CSS 2010 General Science & Ability Paper)

Zinc
Protein
Vitamin C
Monosaccharide

Vitamin C is a water soluble vitamin needed to be taken into the body in small amounts. Vitamin C is therefore categorised as a micronutrient.

  • A vitamin is an organic molecule that is an essential micronutrient which an organism needs in small quantities for the proper functioning of its metabolism.
  • Most of the vitamins cannot be synthesised in our body but plants can synthesise almost all of them.
  • Vitamins can be classified on the basis of solubility:
    • Fat-Soluble vitamins: Soluble in fats and oil but insoluble in water. They are stored in the liver and adipose tissues. E.g., vitamin A, D, E, K (KEDA).
    • Water-soluble vitamins need regular supply in the diet, excreted in urine and cannot be stored in our body. E.g., vitamin B and C groups (except B12).

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