The vitamin required for the formation of hydroxyproline (in collagen) is :

Dicoumarol is antagonist to :

Vitamin synthesized by bacterial in the intestine is :

The requirement of vitamin E is increased with greater intake of :

The most important natural antioxidant is :

Insignificant amount of Vitamin E is present in :

The β-ring of 7-dehydrocholesterol is
cleaved to form cholecalciferol by :

Function of Vitamin A :

In human body highest concentration of ascorbic acid is found in :

Vitamin E reduces the requirement of :

Creatinuria is caused due to the deficiency of vitamin :

One international unit (I.U) of vitamin D
is defined as the biological activity of :

Vitamin K is involved in posttranslational
modification of the blood clotting factors
by acting as cofactor for the enzyme :

Vitamin K2 was originally isolated from :

In the individuals who are given liberal
quantities of vitamin C, the serum ascorbic acid level is :

The vitamin which would most likely become deficient in an individual who develop a completely carnivorous life style is :

Vitamin K is found in :

Tocopherols prevent the oxidation of :

Vitamin required for the conversion of phydroxyphenylpyruvate to homogentisate is :

Hypervitaminosis K in neonates may cause :

Calcitriol synthesis involves :

Deficiency of vitamin D causes :

All the following conditions produce a real or functional deficiency of vitamin K except :

Vitamin K is a cofactor for :

The activity of tocopherols is destroyed by :