Question 352 Tocopherols prevent the oxidation of? A) Vitamin A B) Vitamin D C) Vitamin K D) Vitamin C No Details
Question 353 The most important natural antioxidant is? A) Vitamin D B) Vitamin E C) Vitamin B12 D) Vitamin K No Details
Question 354 Vitamin E reduces the requirement of? A) Iron B) Zinc C) Selenium D) Magnesium No Details
Question 355 The requirement of vitamin E is increased with greater intake of? A) Carbohydrates B) Proteins C) Polyunsaturated fat D) Saturated fat No Details
Question 356 The activity of tocopherols is destroyed by? A) Commercial cooking B) Reduction C) Conjugation D) All of these No Details
Question 357 Insignificant amount of Vitamin E is present in? A) Wheat germ oil B) Sunflower seed oil C) Safflower seed oil D) Fish liver oil No Details
Question 358 Calcitriol synthesis involves? A) Both liver and kidney B) Intestine C) Adipose tissue D) Muscle No Details
Question 359 The β-ring of 7-dehydrocholesterol is cleaved to form cholecalciferol by? A) Infrared light B) Dim light C) Ultraviolet irridation with sunlight D) Light of the tube lights No Details
Question 360 One international unit (I.U) of vitamin D is defined as the biological activity of? A) 0.025 µg of cholecalciferol B) 0.025 µg of 7-dehydrocholecalciferol C) 0.025 µg of ergosterol D) 0.025 µg of ergocalcifero No Details