Vitamins and Nutrition

Folic acid differs from other vitamins of B9 group becuase it contains one glutamic acid group in the structure.

K1 was discovered from alfalfa by Dam in 1939.

In the human body, vitamin C is stored in the adrenal cortex.

As per RDI, folic acid is required in the highest amount by the body.

Riboflavin belongs to a class of water-soluble pigments called lyochromes.

Riboflavin is an orange-yellow crystalline powder, insoluble in ether and chloroform, heat stable, light sensitive and glows yellow-green in an aqueous solution.

Biotin acts as a growth factor for Rhizobium. Thus, it is called coenzyme R.

Intrinsic factor is an important protein that helps the body absorb vitamin B12.

Correct answer. All of these diseases are caused due to deficiency of water soluble vitamins. Scurvy: Caused due to deficiency of Vitamin C (Water soluble) Beriberi: Caused due to deficiency of Vitamin B₁ (Water soluble) Hyperglycaemia: Caused due to deficiency of Vitamin B₁₂ (Water soluble)

Vitamin B12 is absent in spirulina and spirulina supplements are not considered to be a reliable source of vitamin B12, as they contain predominantly pseudovitamin B12, which is biologically inactive in humans.

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 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.