हीमोग्लोबिन में धातु होती – McqOptions

MCQOPTIONS

1.	हीमोग्लोबिन में धातु होती है ?
A.	मैग्नीशियम
B.	आयरन
C.	कैल्सियम
D.	कोबाल्ट
Answer» C. कैल्सियम

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