Archiacanthocephala MCQs January 8, 2026September 28, 2024 by u930973931_answers 30 min Score: 0 Attempted: 0/30 Subscribe 1. Archiacanthocephala are primarily classified as: (A) Cnidarians (B) Arthropods (C) Annelids (D) Acanthocephala 2. The adult form of Archiacanthocephala is typically found in: (A) Terrestrial environments (B) Marine environments (C) Freshwater environments (D) All of the above 3. Archiacanthocephala are known for their: (A) Hard exoskeletons (B) Ability to photosynthesize (C) Segmented bodies (D) Complex life cycles 4. The primary host for Archiacanthocephala is usually: (A) Fish (B) Mammals (C) Birds (D) Reptiles 5. The larval stage of Archiacanthocephala is known as: (A) Trochophore (B) Metacestode (C) Miracidium (D) Cystacanth 6. Archiacanthocephala possess a unique structure called: (A) Siphon (B) Tentacle (C) Proboscis (D) Mantle 7. The body of Archiacanthocephala is characterized by: (A) Segmentation (B) A coelomic cavity (C) Acoelomate structure (D) An exoskeleton 8. Archiacanthocephala typically reproduce through: (A) Sexual reproduction (B) Binary fission (C) Budding (D) Fragmentation 9. The eggs of Archiacanthocephala are often shed into: (A) Soil (B) Water (C) Air (D) Host tissues 10. The primary function of the proboscis in Archiacanthocephala is to: (A) Attach to the host (B) Aid in locomotion (C) Capture prey (D) Digest food 11. Archiacanthocephala are known to parasitize primarily: (A) Invertebrates (B) Fungi (C) Plants (D) Vertebrates 12. The body plan of Archiacanthocephala is primarily: (A) Radially symmetrical (B) Bilaterally symmetrical (C) Asymmetrical (D) Circular 13. The digestive system of Archiacanthocephala is: (A) Complete (B) Incomplete (C) Absent (D) Very complex 14. Archiacanthocephala can be identified by their: (A) Bright colors (B) Elongated bodies with spines (C) Unique reproductive structures (D) Ability to regenerate 15. In Archiacanthocephala, the intermediate host is usually: (A) A mammal (B) A fish (C) An insect (D) A bird 16. The life cycle of Archiacanthocephala often involves: (A) Two or more hosts (B) One host only (C) Direct development (D) Asexual reproduction 17. The phylum Archiacanthocephala is known for its: (A) High diversity (B) Complex life cycles (C) Simple morphology (D) Lack of true tissues 18. Archiacanthocephala are often studied for their: (A) Ecological significance (B) Medical relevance (C) All of the above (D) Evolutionary insights 19. The proboscis of Archiacanthocephala is typically covered with: (A) Cilia (B) Hooks or spines (C) Gills (D) Tentacles 20. Archiacanthocephala are primarily found in: (A) Freshwater (B) Marine environments (C) All types of environments (D) Terrestrial environments 21. The primary feeding method of Archiacanthocephala is: (A) Filter feeding (B) Absorption through the skin (C) Predation (D) Parasitic feeding 22. Archiacanthocephala have a body wall that is: (A) Muscular (B) Chitinous (C) Soft and gelatinous (D) Rigid 23. The taxonomy of Archiacanthocephala is primarily based on: (A) Genetic analysis (B) Morphological features (C) Behavioral studies (D) Habitat preferences 24. Archiacanthocephala play a role in their ecosystem as: (A) Decomposers (B) Predators (C) Primary producers (D) Parasites 25. The term “acanth” in Acanthocephala refers to: (A) Hook (B) Spine (C) Tentacle (D) Muscle 26. The main advantage of a proboscis with hooks for Archiacanthocephala is: (A) Enhanced locomotion (B) Efficient feeding (C) Better attachment to hosts (D) Increased reproduction 27. The life stages of Archiacanthocephala are typically: (A) Well-defined with several larval forms (B) Limited to adult stages only (C) Asexual throughout (D) Fully developed at hatching 28. Archiacanthocephala are primarily associated with which type of ecological niche? (A) Terrestrial (B) Aquatic (C) Aerial (D) Subterranean 29. The primary research interest in Archiacanthocephala often includes their role as: (A) Indicators of environmental health (B) All of the above (C) Agents of disease in hosts (D) Sources of new medicines 30. Which feature differentiates Archiacanthocephala from other worm-like organisms? (A) Presence of a proboscis with spines (B) Presence of a circulatory system (C) Ability to regenerate (D) Complete digestive system