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
Water host required for schistosomiasis ? 
Select and explain. 
A. Fish, B. Cyclops, C. Snails, D. Crabs
C: Snails
Answer: C: Snails 
Explanation: Ans. is 'c' i.e., Snails