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BIOLOGY

Biology
Pellagra is caused due to the deficiency of

Thiamine
Niacin
Riboflavin
Pyridoxine

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Biology
Rickets is caused due to the deficiency of

Carotene
Calciferol
Cyanocobalamine
Thiamine

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Biology
The element found in bone and teeth

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

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Biology
In Carbohydrates the ratio of hydrogen to oxygen is

0.04375
None of these
0.084027777777778
0.086111111111111

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Biology
The story of vitamins dates back to

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

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