Flatworms and rounds worms quiz online, flatworms characteristics, examples of flatworms and examples of roundworms, difference between flat and roundworms. This is a multiple choice questions biology quiz for students to learn to differentiate between roundworms and flatworms. They will also learn about some examples of both. These worms have unsegmented boddies; this means unlike the body of earth worms that are cut up into diggerent segments, they have a continuous smooth body. Flatworms fall under the phylum Platyhelminthes, are soft bodied invertebrates. A common example of a flatworm is the tapeworm that hooks itself to the intestine and lives like a parasite in man. Roundworms fall under the Phylum Nematoda. They are also parasitic worms that are harmful to man. Contact with soil or infected feaces exposes man to the risk of getting one down the gut. That is why good hygeine is important in keeping us way from being infected.| Multiple choice quiz featuring biology test questions for students to review biology topics. Click on each question and select the correct answer below and submit. Feedback is instant and at the end you will get your score. Biology quiz for 2nd, 3rd, 4th, 5th, 6th, 7th grades to review. Focus: Online science Trivia | science quiz questions | Biology Test | Biology questions.