Question

The constituent of hemoglobin is

• A. iron
• B. sodium
• C. copper
• D. magnesium

Answer 1

The correct option is A

iron

(A)

• Hemoglobin is a protein that transports Oxygen molecule (O₂) from the lungs to various parts of the body via the blood.
• The structure of Hemoglobin is composed of four subunits in which the central element is Iron (Fe).

(B)

Since Sodium (Na) is not present in the Hemoglobin, the given option is incorrect.

(C)

Since Copper (Cu) is not present in the Hemoglobin, the given option is incorrect.

(D)

Since Magnesium (Mg) is not present in the Hemoglobin, the given option is incorrect.

Hence, option (A) is correct. The constituent of Hemoglobin is iron.