Protozoa Quizzes Online & Trivia

A comprehensive database of protozoa quizzes online, test your knowledge with protozoa quiz questions. Our online protozoa trivia quizzes can be adapted to suit your requirements for taking some of the top protozoa quizzes.


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  • A 34 year-old man and his 30 year-old wife went on a camping trip in the Colorado Mountains in September.  They cooked over campfires and drank water from cold streams. The following week they noted diarrhea 2-3 times a day. The stools were nonbloody and floated on toilet water showing a greasy film.  The diarrhea tended to occur after eating meals that included milk or ice cream.  They lost about 20 pounds while the diarrhea lasted for 3 weeks until they sought treatment.  What caused the illness?

  • A 30-year-old man with AIDS swam in a farmer’s pond near a pasture for cows. A week later he complained of watery diarrhea several times a day and, despite eating food normally, lost 6 pounds within a week’s time. Which image corresponds to the most likely stool microbe in this case?  

  • Carl presents with watery diarrhea for 10 days after traveling to Mexico.  He is subsequently diagnosed with the following organism: On examination of Carl, one would expect to find:

  • Fungi exist mainly as single cells

  • Fungi digest insoluble organic matter by secreting exoenzymes, then absorbing the solubilized nutrients

  • The most important ecological role of fungi is _______________

  • The cell wall of fungi contain(s) 
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  • Fungal infections are known as
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  • Sterols are present in the cell membrane of fungi
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