Question

1) deficiency of ............... causes a disease known as beri-beri.
2) deficiency of Vitamin C causes a disease known as .............
3) Night blindness is caused due to deficiency of .............. in our food.
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Answer 1

Answer:

1. Vitamin B1
2. Scurvy

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Answer 2

Answer:

1. Vitamin B1

2. Scurvy.........