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BIOLOGY

Biology
Pellagra is caused due to the deficiency of

Riboflavin
Thiamine
Niacin
Pyridoxine

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Biology
Rickets is caused due to the deficiency of

Thiamine
Cyanocobalamine
Carotene
Calciferol

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Biology
The element found in bone and teeth

Calcium and Magnesium
Calcium and phosphorus
Potassium and calcium
Phosphorus and sulpher

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Biology
In Carbohydrates the ratio of hydrogen to oxygen is

0.086111111111111
0.04375
0.084027777777778
None of these

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Biology
The story of vitamins dates back to

16th century
15th century
18th century
17th century

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