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QUESTION
Q327) match the columns .... (Guj CET 2008 )
a) Retinol i) Inhibits oxidation of unsaturated fatty acids
b) Tocopherol ii) Absorption of ca2+
c) Calciferol iii) Essential for maintenance of epithelial tissue
d) Menadione iv) Helps in clotting of blood
e) Ascorbic acid v) Required for amino acid metabolism

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Retinol (Vitamin A) is required for growth and reproduction of the skin, and differentiation of epithelial tissue. a- iii
Tocopherol Inhibits oxidation of unsaturated fatty acids b-i
Vitamin D (calciferol), which comprises a group of fat soluble seco-sterols that are found in very few foods naturally, is photosynthesized in the skin of vertebrates, helps in absorption of Ca2+ c-ii
Menadione promotes the hepatic biosynthesis of blood clotting factors. d-iv
Ascorbic acid is involved in the metabolism of several amino acids, leading to the formation of hydroxyproline, hydroxylysine, norepinephrine, serotonin, homogenistic acid, and carnitine e-v

Answer : (a)