Practice MCQ Questions and answers on Biology-GK

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16.
Pellagra is caused due to the deficiency of

A. Niacin

B. Riboflavin

C. Thiamine

D. Pyridoxine

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17.
Rickets is caused due to the deficiency of

A. Carotene

B. Cyanocobalamine

C. Thiamine

D. Calciferol

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18.
The element found in bone and teeth is

A. Potassium and calcium

B. Calcium and Magnesium

C. Calcium and phosphorus

D. Phosphorus and sulpher

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19.
In Carbohydrates the ratio of hydrogen to oxygen is

A. 2:1

B. 1:3

C. 2:4

D. None of the above

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20.
The story of vitamins dates back to

A. 15th century

B. 16th century

C. 17th century

D. 18th century

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Practice MCQ Questions and answers on Biology-GK

16. Pellagra is caused due to the deficiency of

Answer & Solution

17. Rickets is caused due to the deficiency of

Answer & Solution

18. The element found in bone and teeth is

Answer & Solution

19. In Carbohydrates the ratio of hydrogen to oxygen is

Answer & Solution

20. The story of vitamins dates back to

Answer & Solution

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16.
Pellagra is caused due to the deficiency of

17.
Rickets is caused due to the deficiency of

18.
The element found in bone and teeth is

19.
In Carbohydrates the ratio of hydrogen to oxygen is

20.
The story of vitamins dates back to