UPSC CDS Science Biology Questions Part 1
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Question : 100 of 100
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Deficiency of which of the following elements is responsible for weakening of bones?
1. Calcium
2. Phosphorus
3. Nitrogen
4. Carbon
Select the correct answer using the code given below.
1. Calcium
2. Phosphorus
3. Nitrogen
4. Carbon
Select the correct answer using the code given below.
[2014 CDS-I]
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