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: Social & Preventive Medicine
Man is intermediate host of- 
Select and explain. 
A. Filariasis, B. Hydatid cyst, C. Both, D. None
B: Hydatid cyst
Answer: B: Hydatid cyst 
Explanation: Ans. is 'b' i.e., Hvdatid cyst Man acts as intermediate host for : ? Plasmodium (malaria) Toxoplasma Echinococcus granulosus (hydatid disease)