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BIOLOGY

Biology
Pellagra is caused due to the deficiency of

Niacin
Thiamine
Pyridoxine
Riboflavin

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Biology
Rickets is caused due to the deficiency of

Cyanocobalamine
Thiamine
Calciferol
Carotene

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Biology
The element found in bone and teeth

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

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Biology
In Carbohydrates the ratio of hydrogen to oxygen is

0.04375
0.084027777777778
None of these
0.086111111111111

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Biology
The story of vitamins dates back to

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

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