Caudofoveata MCQs December 4, 2025September 30, 2024 by u930973931_answers 30 min Score: 0 Attempted: 0/30 Subscribe 1. What is the common name for members of the class Caudofoveata? (A) Worm-like mollusks (B) Bivalves (C) Snails (D) Cephalopods 2. Which of the following describes the body structure of Caudofoveata? (A) Shell-less and elongated (B) Coiled and spiral-shaped (C) Segmented body with a shell (D) Flattened and leaf-like 3. In which habitat do Caudofoveata primarily reside? (A) Freshwater environments (B) Terrestrial habitats (C) Deep-sea marine environments (D) Coastal tidal zones 4. What type of feeding mechanism is common among Caudofoveata? (A) Deposit feeding (B) Filter feeding (C) Predation (D) Herbivory 5. Caudofoveata lack which of the following structures? (A) Shell (B) Gills (C) Foot (D) Radula 6. Which of the following features is characteristic of Caudofoveata? (A) A soft and smooth body surface (B) Bioluminescent capabilities (C) Presence of tentacles (D) Complex eyes 7. What is the primary ecological role of Caudofoveata? (A) Scavengers and decomposers (B) Predators (C) Primary producers (D) Parasites 8. Caudofoveata are most closely related to which other class of mollusks? (A) Gastropoda (B) Bivalvia (C) Aplacophora (D) Cephalopoda 9. How do Caudofoveata reproduce? (A) Asexually through budding (B) Internal fertilization (C) External fertilization (D) Fragmentation 10. What type of circulatory system do Caudofoveata possess? (A) Hemocoel (B) Closed circulatory system (C) No circulatory system (D) Open circulatory system 11. What structure is primarily responsible for locomotion in Caudofoveata? (A) Cilia (B) Foot (C) Tentacles (D) Siphon 12. Which of the following is a common genus of Caudofoveata? (A) Nautilus (B) Dentalium (C) Caudofovea (D) Helix 13. What type of symmetry do Caudofoveata exhibit? (A) None of the above (B) Radial symmetry (C) Asymmetry (D) Bilateral symmetry 14. The body of Caudofoveata is covered with what type of structure? (A) Scales (B) Tentacles (C) Spicules (D) Shells 15. What is the larval stage of Caudofoveata called? (A) Veliger (B) Nauplius (C) Trochophore (D) Zoea 16. Caudofoveata primarily feed on: (A) Algae and detritus (B) Coral (C) Plankton (D) Small fish 17. What kind of reproduction strategy do Caudofoveata employ? (A) Budding (B) Sexual reproduction (C) Asexual reproduction (D) Parthenogenesis 18. The nervous system of Caudofoveata can be described as: (A) Highly developed with a brain (B) Extremely complex (C) Non-functional (D) Simple and decentralized 19. Which of the following adaptations helps Caudofoveata in their environment? (A) Ability to swim (B) Camouflage (C) Burrowing behavior (D) Both B and C 20. What is the main diet of Caudofoveata? (A) Detritus and microorganisms (B) Coral (C) Algae (D) Larger prey like fish 21. What role do Caudofoveata play in the marine ecosystem? (A) Primary producers (B) Herbivores (C) Predators (D) Scavengers 22. Which of the following adaptations helps Caudofoveata thrive in their environment? (A) Their ability to produce toxins (B) Their smooth body allowing for easy burrowing (C) Their spicules providing protection (D) Their complex camouflage 23. What type of digestive system do Caudofoveata possess? (A) No digestive system (B) Incomplete digestive tract (C) Complete digestive tract (D) Complex multi-chambered system 24. Which of the following structures is primarily used for excretion in Caudofoveata? (A) Gills (B) Foot (C) Mantle (D) Nephridia 25. Caudofoveata are primarily: (A) Terrestrial (B) Freshwater (C) Parasites (D) Marine 26. What is the main ecological impact of Caudofoveata? (A) They contribute to coral reef building (B) They create habitats for other organisms (C) They provide food for larger predators (D) They break down organic matter 27. Which of the following is a characteristic of Caudofoveata's reproductive strategy? (A) They have a high reproductive rate (B) They exhibit parental care (C) They produce a single offspring (D) They are hermaphroditic 28. Caudofoveata can be found at what depths in the ocean? (A) Shallow coastal waters (B) Only at the surface (C) Up to several thousand meters deep (D) Only in tidal pools 29. Which of the following adaptations helps Caudofoveata thrive in their environment? (A) Their spicules providing protection (B) Their smooth body allowing for easy burrowing (C) Their ability to produce toxins (D) Their complex camouflage 30. Which of the following is NOT a characteristic of Caudofoveata? (A) Marine habitat (B) Soft body (C) Shell presence (D) Deposit feeding