This quiz works best with JavaScript enabled. Home > Agriculture > Nematology > Research > Nematodes – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nematodes Quiz 4 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which roundworm is associated with river blindness? A) Pin worms. B) Filarial worms. C) Intestinal round worms. D) Hook worms. Show Answer Correct Answer: B) Filarial worms. 2. Of the following options, where would you most expect to find an ectoparasite? A) On the outside of a fish. B) In your liver. C) Inside an elephant. D) In the blood. Show Answer Correct Answer: A) On the outside of a fish. 3. The adult Ascaris is found in A) Lungs. B) Stomach and small intestine. C) Muscle. D) All of the above. Show Answer Correct Answer: B) Stomach and small intestine. 4. ..... are also called flatworms. They are bilaterally symmetrical, dorsoventrally flattened worms that include planaria, flukes and tapeworms. A) Cnidarians. B) Platyhelminthes. C) Nematodes. D) Mollusks. Show Answer Correct Answer: B) Platyhelminthes. 5. Both nematodes and platyhelminthes are similar in the fact that they both have a ..... body type. A) Triploblastic. B) Psuedocoelomate. C) Acoelomate. D) Coelomate. Show Answer Correct Answer: A) Triploblastic. 6. Which of the following phyla contains mostly parasitic roundworms? A) Platyhelminthes. B) Cnidara. C) Annelida. D) Nematoda. Show Answer Correct Answer: D) Nematoda. 7. Nematodes exhibit ..... symmetry. A) Radial. B) Bilateral. C) Asymmetrical. D) Longitudinal. Show Answer Correct Answer: B) Bilateral. 8. The larval stage of the Ascaris A) Do damage to internal organs as it travels to the lungs to mature. B) Are not present in this life cycle. C) Encyst in muscles. D) Are carried by insects. Show Answer Correct Answer: A) Do damage to internal organs as it travels to the lungs to mature. 9. Earthworms have setae, which are like bristles that help them ..... A) Move. B) Eat. C) Reproduce. D) None of above. Show Answer Correct Answer: A) Move. 10. All of the following body systems can be found in a segmented worm EXCEPT the ..... A) Circulatory. B) Reproductive. C) Skeletal. D) Digestive. Show Answer Correct Answer: C) Skeletal. 11. What digestive structure is the most similar in function to the gastrovascular cavity? A) Ganglia. B) Buccal Cavity. C) Rennett. D) Intestine. Show Answer Correct Answer: D) Intestine. 12. Example is planarian A) Annelida. B) Arthropoda. C) Nematoda. D) Platyhelminthes. Show Answer Correct Answer: D) Platyhelminthes. 13. Which of the following terms does not relate to flatworm reproduction? A) Monoecious. B) Hermaphroditic. C) Dimorphism. D) Cross-fertilization. Show Answer Correct Answer: C) Dimorphism. 14. Which phylum is the first to exhibit a closed circulatory system? A) Platyhelminthes. B) Nematoda. C) Annelida. D) None of above. Show Answer Correct Answer: C) Annelida. 15. Nematodes need to shed (molt) their cuticle because A) To get more layers of protection. B) To trick the host organism. C) The cuticle is non-living and does not grow in size as the animal grows. D) All of the above. Show Answer Correct Answer: C) The cuticle is non-living and does not grow in size as the animal grows. 16. ID the roundworm where the adult lives in the tissue of the host's small intestine? A) Pin worms. B) Intestinal round worms. C) Filarial worms. D) Hook worms. Show Answer Correct Answer: D) Hook worms. 17. Which annelids are known for living in marine environments? A) Oligochaetes. B) Hirudinea. C) Polychaetes. D) Molluska. Show Answer Correct Answer: C) Polychaetes. 18. What type of body symmetry do the phylums Platyhelminthes and Annelida have in common? A) Assymmetrical. B) Bilaterial. C) Radial. D) Vermiform. Show Answer Correct Answer: B) Bilaterial. 19. A brightly colored flatworm, swimming with a wavelike motion, likely belongs to which class? A) Turbellaria. B) Cestoda. C) Monogenea. D) Trematoda. Show Answer Correct Answer: A) Turbellaria. 20. Animals that live and feed off other animals are called ..... A) Teguments. B) Parasites. C) Planarians. D) Proglottids. Show Answer Correct Answer: B) Parasites. 21. Has true tissues, bilateral symmetry, triploblastic and pseudocoelomate. This animal is classified under which phylum? A) Arthropoda. B) Nematoda. C) Mollusca. D) Annelida. Show Answer Correct Answer: B) Nematoda. 22. A chemical reaction that breaks down compounds into simpler products. A) Ecdysis. B) Nutrient Recyling. C) Molting. D) Decomposition. Show Answer Correct Answer: D) Decomposition. 23. Visceral cutaneous larval migrans occurs A) Intestine. B) Liver. C) In gut tissues. D) In the eye. Show Answer Correct Answer: C) In gut tissues. 24. Best known nematodes are: A) Flexibl cuticle. B) Intestinal worms. C) Intestinal insects. D) Asiako. Show Answer Correct Answer: B) Intestinal worms. 25. What do you call external bristles for movement in annelids? A) Foot. B) Mantle. C) Parapodia. D) Setae. Show Answer Correct Answer: D) Setae. 26. The body cavity of organism under phylum Nematoda is A) Pseudocoelom. B) Coelom. C) True coelom. D) No coelom. Show Answer Correct Answer: A) Pseudocoelom. 27. The coelom is surrounded by the A) Ectoderm. B) Mesoderm. C) Pseudoderm. D) Endoderm. Show Answer Correct Answer: B) Mesoderm. 28. Flatworms have no true body cavity. This means they are ..... A) Coelomates. B) Symmetrical. C) Acoelomates. D) Sessile. Show Answer Correct Answer: C) Acoelomates. 29. What tapeworm class are free-living? A) Turbellaria. B) Seceernentea. C) Monogenea. D) Trematoda. Show Answer Correct Answer: A) Turbellaria. 30. The bodies of flatworms are flattened ..... A) Laterally. B) Bilaterally. C) Radially. D) Dorso-ventrally. Show Answer Correct Answer: D) Dorso-ventrally. ← PreviousNext →Related QuizzesNematology QuizzesAgriculture QuizzesNematodes Quiz 1Nematodes Quiz 2Nematodes Quiz 3Nematodes Quiz 5Nematodes Quiz 6Nematodes Quiz 7 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books