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
Which of the following is NOT a water borne parasite: March 2013 
Select and explain. 
A. Ascariasis, B. Enterobius, C. Giardiasis, D. Strongyloides
D: Strongyloides
Answer: D: Strongyloides 
Explanation: Ans. D i.e. Strongyloides Mode of infection/ entrance of strongyloides stercoralis into the host occurs when a man walks bare-foot on the faecally contaminated soil. The filariform larvae penetrate directly through the skin coming in contact with the soil.