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: Microbiology
Black water fever is caused by: 
Select and explain. 
A. Plasmodium vivax, B. Plasmodium falciparum, C. Leishmania donovani, D. Microfilaria
B: Plasmodium falciparum
Answer: B: Plasmodium falciparum 
Explanation: None