This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, 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: Definite host - man Intermediate host-snail Causative agents of the disease schistosomiasis (refer pgno: 116 baveja 3 rd edition)