Experts please pls clear my doubt question

 

Dear Student, Anemia with immature and nucleated RBC's occur due to deficiency of Iron. This condition is known as Pencil cells. Also you can get hint that Hemoglobin is absent. Hemoglobin is a complex molecule which contains iron as chelate compound. In this condition, Iron chelators are given. So, the answer to this question is option (4). Regards