This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Deficiency of folic acid leads to 
Select and explain. 
A. Pernicious anemia, B. Megaloblastic anemia, C. Iron deficiency anemia, D. Thalassemia
B: Megaloblastic anemia
Answer: B: Megaloblastic anemia 
Explanation: None