This quiz works best with JavaScript enabled. Home > Nematology > Research > Nematodes – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nematodes Quiz 6 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What digestive structure is the most similar in function to the gastrovascular cavity? A) Intestine. B) Buccal Cavity. C) Rennett. D) Ganglia. Show Answer Correct Answer: A) Intestine. 2. Example is planarian A) Platyhelminthes. B) Nematoda. C) Annelida. D) Arthropoda. Show Answer Correct Answer: A) Platyhelminthes. 3. Which of the following terms does not relate to flatworm reproduction? A) Dimorphism. B) Hermaphroditic. C) Monoecious. D) Cross-fertilization. Show Answer Correct Answer: A) Dimorphism. 4. 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. 5. 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. 6. ID the roundworm where the adult lives in the tissue of the host's small intestine? A) Hook worms. B) Intestinal round worms. C) Pin worms. D) Filarial worms. Show Answer Correct Answer: A) Hook worms. 7. Which annelids are known for living in marine environments? A) Oligochaetes. B) Polychaetes. C) Hirudinea. D) Molluska. Show Answer Correct Answer: B) Polychaetes. 8. What type of body symmetry do the phylums Platyhelminthes and Annelida have in common? A) Radial. B) Assymmetrical. C) Bilaterial. D) Vermiform. Show Answer Correct Answer: C) Bilaterial. 9. A brightly colored flatworm, swimming with a wavelike motion, likely belongs to which class? A) Cestoda. B) Trematoda. C) Turbellaria. D) Monogenea. Show Answer Correct Answer: C) Turbellaria. 10. Animals that live and feed off other animals are called ..... A) Planarians. B) Parasites. C) Proglottids. D) Teguments. Show Answer Correct Answer: B) Parasites. 11. Has true tissues, bilateral symmetry, triploblastic and pseudocoelomate. This animal is classified under which phylum? A) Nematoda. B) Annelida. C) Mollusca. D) Arthropoda. Show Answer Correct Answer: A) Nematoda. 12. A chemical reaction that breaks down compounds into simpler products. A) Decomposition. B) Nutrient Recyling. C) Molting. D) Ecdysis. Show Answer Correct Answer: A) Decomposition. 13. Visceral cutaneous larval migrans occurs A) In gut tissues. B) In the eye. C) Intestine. D) Liver. Show Answer Correct Answer: A) In gut tissues. 14. Best known nematodes are: A) Intestinal insects. B) Intestinal worms. C) Asiako. D) Flexibl cuticle. Show Answer Correct Answer: B) Intestinal worms. 15. What do you call external bristles for movement in annelids? A) Parapodia. B) Setae. C) Foot. D) Mantle. Show Answer Correct Answer: B) Setae. 16. The body cavity of organism under phylum Nematoda is A) No coelom. B) Coelom. C) Pseudocoelom. D) True coelom. Show Answer Correct Answer: C) Pseudocoelom. 17. The coelom is surrounded by the A) Ectoderm. B) Mesoderm. C) Endoderm. D) Pseudoderm. Show Answer Correct Answer: B) Mesoderm. 18. Flatworms have no true body cavity. This means they are ..... A) Symmetrical. B) Sessile. C) Coelomates. D) Acoelomates. Show Answer Correct Answer: D) Acoelomates. 19. What tapeworm class are free-living? A) Monogenea. B) Seceernentea. C) Trematoda. D) Turbellaria. Show Answer Correct Answer: D) Turbellaria. 20. 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 QuizzesNematodes Quiz 1Nematodes Quiz 2Nematodes Quiz 3Nematodes Quiz 4Nematodes Quiz 5Nematodes Quiz 7Nematodes Quiz 8Nematodes Quiz 9Nematodes Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books