Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Environmental Studies Nutrition

What is the function of phosphorus?

1

Development of bones and teeth

2

Regulations of pH of body fluids.

3

Regulation of muscle contraction.

4

More than one of the above

5

None of the above

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