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Vitamins and Coenzymes

Vitamins and Coenzymes
Vitamin-C is considered as a

fat and water soluble
fat soluble
none of these
water soluble

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Vitamins and Coenzymes
An early sign of retinol deficiencies in man is

keratinization
xeropthalmia
night blindness
none of these

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Vitamins and Coenzymes
Dihydroorotate dehydrogenase contains

4 flavins and 2 atoms of iron per molecule
2 flavins and 2 atoms of iron per molecule
2 flavins and 4 atoms of iron per molecule
4 flavins and 4 atoms of iron per molecule

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Vitamins and Coenzymes
Vitamin B12 (Cobalamin) is only synthesized by

plants
animals
micro-organisms
fishes

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Vitamins and Coenzymes
Which of these is a vitamin A precursor?

Beta-Carotene
Cobalamin
Pyridoxine
Thiamine

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Vitamins and Coenzymes
A deficiency of Vitamin K results in a decreased level of

fibrinogen
prothrombin
thrombin
fibrin

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MORE MCQ ON Vitamins and Coenzymes

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