This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Pathology
Thalassemia gives protection against- 
Select and explain. 
A. Filaria, B. Kala-azar, C. Malaria, D. Leptospirosis
C: Malaria
Answer: C: Malaria 
Explanation: ROBBINS BASIC PATHOLOGY . 9/eChapter red cells and bleeding disorders .pg number413. There will be decreased synthesis of alpha or beta chains of hb. The malarial pathogens cannot survive due to decreased oxygen. Option 3 is correct.