characters of vitaminsvitamins are organic

Question

Characters of vitamins:

1. Vitamins are organic substances.
2. They are micronutrients and are required in small quantities.
3. They are not synthesised in the body and therefore they are essential nutrients.
4. The primary source of vitamin for our body is our diet. In addition, bacteria present in the intestine synthesise the vitamins like B12 and K and supply them to us.
5. Vitamins act as catalysts in essential chemical changes in the body.
6. Vitamins are normally present in all types of natural foods - milk, meat, fruits and vegetables.
7. Vitamins are classified into two groups. a) Water soluble vitamins - Vitamin B complex and Vitamin C. b) Fat soluble vitamins - vitamins A, D, E and K.
8. Vitamin deficiencies occur on indiscriminate and unnecessary use of antibiotics that kill the bacteria in the intestines.
9. Deficiency of vitamins in our body results in several diseases.