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Vitamins and Coenzymes

Vitamins and Coenzymes
β-carotene together with α-carotene, γ-carotene and cryptoxanthine are synthesized by

animal
plants and animals both
none of these
plants

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

fishes
micro-organisms
animals
plants

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Vitamins and Coenzymes
Vitamin B12 is useful in the prevention and treatment of

pernicious anemia
cataract
beri-beri
scurvy

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Vitamins and Coenzymes
Which of these is a symptom of vitamin A deficiency?

Impaired taste perception
Blindness
Osteoporosis
Impaired blood clotting

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Vitamins and Coenzymes
Which of the following compounds/(s) belong/(s) to the vitamin B6 group?

Pyridoxine
Pyridoxamine
All of these
Pyridoxal

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Vitamins and Coenzymes
The absence of ascorbic acid in the human diet gives rise to

rickets
cataract
beri-beri
pernicious anemia

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