Vitamins are the organic substances found in various foods that are required for a specific reaction. They act as regulators. They are destroyed by overcooking, excess boiling, alcohol, tobacco, coffee and many medicines. Storage of Vitamin leads to malfunctioning of the body called avitaminosis. There are two types of avitaminosis: Direct- when the diet is deficient of vitamin, secondary- when the body is unable to utilize vitamin though it is present in the diet. There are two basic types of vitamins first one is fat-soluble vitamins and the other one is water-soluble vitamins. So take this quiz and increase your knowledge about vitamins.