Folic acid trap is caused due to deficiency of which vitamin?

• Folic acid

• Tetrahydro folic acid

• Cobalamine

• Cyanocobalamine

Avidin protein in raw egg white inhibits absorption of which vitamin?

• Thiamine

• Riboflavin

• Pantothenic acid

• Biotin

Which of the following is called as pro vitamin A?

• Retinoids

• Carotenoids

• Flavonoids

• Xanthanoids

Which vitamin is the co enzyme during Gamma carboxylation of glutamic acid?

• Vitamin C

• Vitamin A

• Vitamin K

• Vitamin E

Which of the following is an antioxidant vitamin?

• Vitamin C

• Vitamin K

• Vitamin E

• Vitamin A

The enzyme gulonolactone oxidase is involved in synthesis of which vitamin?

• Vitamin D

• Vitamin B1

• Vitamin B5

• Vitamin C

Which vitamin is needed for collagen maturation?

• Vitamin C

• Vitamin K

• Vitamin E

• All the above

Renal rickets is caused due to deficiency of

• Cholecalciferol

• Calcitriol

• Calcidiol

• Calciferol

The form of vitamin A present in rhodopsin is

• All trans retinal

• 11 cis retinol

• All trans retinol

• 11 cis retinal

The vitamin which needs an intrinsic factor for its absorption is

• Riboflavin

• Biotin

• Folic acid

• Cobalamine