Which one of the following is NOT blood parasite? (A)plasmodium(B)trypanosoma(C)trichinella(D)L.donovani

Since this is not my area of expertise, I searched Google under the key words "types of blood parasites" to get these possible sources:

https://www.google.com/search?client=safari&rls=en&q=blood+parasites&ie=UTF-8&oe=UTF-8&gws_rd=ssl#q=types+of+blood+parasites

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.

http://www.hackcollege.com/blog/2011/11/23/infographic-get-more-out-of-google.html