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BIOLOGY

Biology
Pellagra is caused due to the deficiency of

Thiamine
Riboflavin
Pyridoxine
Niacin

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Biology
Rickets is caused due to the deficiency of

Thiamine
Calciferol
Carotene
Cyanocobalamine

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Biology
The element found in bone and teeth

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

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Biology
In Carbohydrates the ratio of hydrogen to oxygen is

0.086111111111111
0.04375
None of these
0.084027777777778

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Biology
The story of vitamins dates back to

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

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