1.

Consider the following statements about hemoglobin - 1 - It carries oxygen in the blood. 2 - It is a compound containing iron. 3 - Provides immunity against certain diseases.

A. 1, 2 और 3
B. 1, 3 और 4
C. 2, 3 तथा 4
D. 1, 2 और 4
Answer» E.


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