This quiz works best with JavaScript enabled. Home > Nematology > Nematodes – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nematodes Quiz 4 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. These organisms are mollusks EXCEPT A) Squid. B) Snail. C) Oyster. D) Prawn. Show Answer Correct Answer: D) Prawn. 2. Enterobious vermicularis is the most common endodermic parasite in the U.S. How do many children get this parasite? A) Touching their mouth after handling a contaminated object. B) Insect bites. C) Eating under cooked food. D) Walking outdoors barefoot on contaminated soil. Show Answer Correct Answer: A) Touching their mouth after handling a contaminated object. 3. Segmented worms are known as A) Nematodes. B) Annelids. C) Planarians. D) Cnidarians. Show Answer Correct Answer: B) Annelids. 4. The longitudinal muscles pull against what internal structure? A) Hydrostatic Skeleton. B) Cuticle. C) Rennet. D) Pharynx. Show Answer Correct Answer: A) Hydrostatic Skeleton. 5. A stiff structure resembling a hair or a bristle, especially in an invertebrate A) Setae. B) Phasmids. C) Amphids. D) Papillae. Show Answer Correct Answer: A) Setae. 6. Which of the following phyla was the first to exhibit body segmentation? A) Annelida. B) Arthropoda. C) Cnidara. D) Echindermata. Show Answer Correct Answer: A) Annelida. 7. If you are infected with Ascaris you may have A) Coughing. B) Intestinal blockage. C) Allergic reaction. D) All of the above. Show Answer Correct Answer: D) All of the above. 8. Earthworms breath with their ..... A) Lungs. B) Skin. C) Gills. D) None of above. Show Answer Correct Answer: B) Skin. 9. Eggs are passed in feces then ingestion of infective eggs is the root cause; more commonly affects children causing symptoms such as cough, fever, wheezing. A) T. spiralis. B) T. canis. C) O. volvulus. D) Loa loa. Show Answer Correct Answer: B) T. canis. 10. What is cephalization? A) Having male and female parts. B) A concentration of sense organs and nervous system at the anterior end of the body. C) Feeding off of another organism. D) Breathing through the skin. Show Answer Correct Answer: B) A concentration of sense organs and nervous system at the anterior end of the body. 11. The definitive host will become infected by Ascaris through A) Passive transmission by eating the eggs on unwashed fruits and vegetables. B) Passive transmission by eating the eggs in uncooked meat. C) Active transmission by walking around contaminated water. D) All of the above. Show Answer Correct Answer: A) Passive transmission by eating the eggs on unwashed fruits and vegetables. 12. This parasite is found in Central and W. Africa, causes calamari swelling, and high eosinophilia. A) Loa loa. B) T. canis. C) T. spiralis. D) W. bancrofti. Show Answer Correct Answer: A) Loa loa. 13. The best way to prevent getting infected with Ascaris is to A) Wear protective shoes. B) Wash your fruits and vegetables. C) Cook your meat. D) All of the above. Show Answer Correct Answer: B) Wash your fruits and vegetables. 14. The small segments behind a scolex that reproduce quickly, making a tapeworm longer and longer are called ..... A) Cilia. B) Hooks. C) Proglottids. D) Snaps. Show Answer Correct Answer: C) Proglottids. 15. They are thin, flat acoelomate animals that can be freely living or parasitic. A) Flatworms. B) Roundworms. C) Segmented Worms. D) None of above. Show Answer Correct Answer: A) Flatworms. 16. Earthworms don't have teeth to grind their food so they use another organ to do so. It is called a ..... A) Crop. B) Gizzard. C) Intestine. D) Esophagus. Show Answer Correct Answer: B) Gizzard. 17. Used for movement in nematodes A) Grasping mouthparts. B) Ganglia. C) Segmentation. D) Hydrostatic skeleton. Show Answer Correct Answer: D) Hydrostatic skeleton. 18. Platyhelminthes worms are A) Acoelomates. B) Pseudocoelomates. C) Eucoelomates. D) None of above. Show Answer Correct Answer: A) Acoelomates. 19. Nematodes have a fast whip like movement due to special muscles pulling on the psuedocoelom. What direction do these muscles move? A) Laterally. B) Longitudinally. C) Circularly. D) None of above. Show Answer Correct Answer: B) Longitudinally. 20. The nematodes are called A) Flatworms. B) Tapeworms. C) Roundworms. D) Spiral worms. Show Answer Correct Answer: C) Roundworms. ← PreviousNext →Related QuizzesNematodes Quiz 1Nematodes Quiz 2Nematodes Quiz 3Nematodes Quiz 5Nematodes Quiz 6Nematodes Quiz 7Nematodes Quiz 8Nematodes Quiz 9Nematodes Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books