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
Simple life cycle requires - 
Select and explain. 
A. One host, B. Two host, C. Three host, D. Four host
A: One host
Answer: A: One host 
Explanation: Human parasite may complete their life cycle in a single host or more than one host.Some parasites require two or three host to complete their life cycle (refer pgno:6 baveja 3 rd edition)