Pharmacy B. Pharma Biochemistry Pharmacist Competitive Exams DSSSB Pharmacist
Ans → (D)
Explanation → Iron is essential element for blood production. Haemoglobin is essential for transferring O2 in blood.
This question is taken from this post → Biochemistry Test Series | Practice Set 5 | Revision MCQs for Pharmacy and Medical Exams - attemp/practice