Which of the following act(s) as a building block for many naturally-occurring fat-soluble vitamins?

Fish liver is a very rich source of vitamin A. Which of the following fishes provides the maximum amount of vitamin A?

Which of the following is a part of the pyruvate dehydrogenase complex?

Which of the following forms of vitamin D is produced by irradiation of 22-dehydroergosterol?

Which of the following characteristics differentiates folic acid from other members of vitamin B9 group?

Vitamin K occurs in two forms in nature (K1 and K2). K1 was discovered from which of the following sources?

Which of the following is a function of stigmasterol?

Vitamin C is stored in which of the following parts of the body?

As per RDI, adults require which of the following vitamins in the highest amount?

Which of the following vitamins belongs to a class of water-soluble pigments called lyochromes?

Which of the following vitamins is an orange-yellow crystalline powder, insoluble in ether and chloroform, heat stable, light sensitive and glows yellow-green in an aqueous solution?

The splitting of beta-carotene into retinal is carried out in which of the following body parts?

Deficiency of bioflavonoids causes

Which of the following vitamins acts as a growth factor for Rhizobium?

Tocopherols give characteristic absorption band at