Vitamin D is synthesized in the skin from a cholesterol derivative by the rays of the sun,

Vitamin K is necessary for normal blood clotting and synthesis of proteins found in plasma, bone and kidneys. It acts as an anti-hemorrhagic factor by acting in prothrombin synthesis.

Vitamin D promotes absorption and use of calcium and phosphate for healthy bones and teeth.

Reproductive failure, muscular degeneration and fragility of erythrocytes in man are symptoms of vitamin E deficiency.

Vitamin B2 is known as riboflavin or lactoflavin.

Vitamin P is called citrin and is found in species of citrus plants as glucoside. It is not called ascorbic acid, but vitamin C is called ascorbic acid.

Vitamin B5 is called pantothenic acid. Hence, it is correctly matched.

Cyanocobalamin is generally not found in vegetables, It is either synthesised in human colon or has to be consumed in animal foods like liver, fish, meat, egg and milk.

Deficiency of vitamin B3 causes pellagra in man.

It acts as a component of CoA and acetyl carrier proteins (ACP).

Citrus fruits are a rich source of vitamin C. Amla has highest vitamin C content.

Thiamine occurs in outer coat of seeds of many plants like cereals.

Intestinal absorption of cobalamin (B12) requires the action of enzyme castle's intrinsic factor. Failure of secretion of this enzyme produces vitamin B12 deficiency.

It was called as rat anti-dermatitis factor because skin inflammation seemed to increase when food with B6 was eliminated from the diet.

Vitamin A is a component of retinal pigments, rhodopsin and iodopsin which enables a person to see.