Deficiency disease Pellagra is caused by the deficiency of which of the following?

Option 1 : Niacin 

The correct answer is option 1 i.e Niacin.

• Deficiency disease Pellagra is caused by the deficiency of Niacin.
  • Niacin is the chemical name of Vitamin B₃.
  • Niacin is important for the conversion of food to energy and assist in the functioning of the digestive system and nerves.
• There are 13 well-defined vitamins, among which 8 are included in the Vitamin B complex.
  • The term Vitamin was coined by Casimer Funk.
  • Vitamin A, D, E, K are fat-soluble vitamins.
  • Vitamin B complex and C are water-soluble vitamins.
• Riboflavin is the chemical name of Vitamin B₂.
  • It is necessary for normal functioning, growth, and energy production.
  • Riboflavin is a light-sensitive Vitamin.
  • It gives a pale yellow colour to the milk.
  • Deficiency disease: Cheilosis, Dermatitis.
• Pantothenic acid is the chemical name of vitamin B₅.
  • It helps in the break down of carbohydrates, proteins, and fats.