Nemertodermatida MCQS December 4, 2025September 28, 2024 by u930973931_answers 30 min Score: 0 Attempted: 0/30 Subscribe 1. Nemertodermatida is a class within which phylum? (A) Annelida (B) Nematoda (C) Acoelomorpha (D) Mollusca 2. The body shape of Nemertodermatida is typically: (A) Cylindrical (B) Round (C) Flat and unsegmented (D) Elongated 3. Nemertodermatida are primarily found in which type of habitat? (A) Freshwater (B) Terrestrial (C) Marine (D) Aerial 4. The primary mode of reproduction in Nemertodermatida is: (A) Asexual (B) Budding (C) Sexual (D) Binary fission 5. Nemertodermatida possess which of the following features? (A) True coelom (B) Protosomes (C) Simple nervous system (D) Complex respiratory system 6. The diet of Nemertodermatida is primarily: (A) Autotrophic (B) Herbivorous (C) Saprophytic (D) Carnivorous 7. The body of Nemertodermatida is covered with: (A) Scales (B) Ciliated epidermis (C) A tough exoskeleton (D) A thick cuticle 8. The main feeding structure of Nemertodermatida is known as the: (A) Proboscis (B) Pharynx (C) Tentacle (D) Mouth 9. Nemertodermatida have a distinct larval stage called: (A) Trochophore (B) Planula (C) Zygote (D) Ciliated larva 10. The body plan of Nemertodermatida lacks: (A) A nervous system (B) A digestive system (C) Muscle tissue (D) A true coelom 11. The excretory system of Nemertodermatida is primarily: (A) Malpighian tubules (B) Protonephridial (C) Simple diffusion (D) Kidney-based 12. The evolutionary significance of Nemertodermatida is primarily in their: (A) Complexity (B) Size (C) Segmentation (D) Primitive features 13. Nemertodermatida can regenerate lost body parts, which is a feature of: (A) Regenerative capabilities (B) Asexual reproduction (C) High metabolic rate (D) Symbiosis 14. The locomotion of Nemertodermatida is primarily facilitated by: (A) Muscles (B) Flagella (C) Cilia (D) Tentacles 15. Nemertodermatida can be differentiated from Acoela by their: (A) Presence of a coelom (B) Presence of a mouth and pharynx (C) Body shape (D) Sexual reproduction 16. The typical size of Nemertodermatida ranges from: (A) 0.5 mm to 5 mm (B) 1 mm to 10 cm (C) 5 mm to 20 cm (D) 1 cm to 1 m 17. The ecological role of Nemertodermatida includes: (A) Nutrient cycling (B) Predators (C) All of the above (D) Food for other organisms 18. Nemertodermatida can be found in which of the following environments? (A) Marine only (B) Freshwater only (C) Both freshwater and marine (D) Terrestrial environments only 19. The nervous system of Nemertodermatida is: (A) Well developed with a brain (B) Absent (C) Complex and segmented (D) Simple and diffuse 20. Nemertodermatida's body structure is primarily: (A) Segmented (B) Ciliated (C) Unsegmented (D) Thick and muscular 21. The ecological significance of Nemertodermatida is primarily in their role as: (A) Primary producers (B) Predators of microorganisms (C) Decomposers (D) Parasites 22. Nemertodermatida exhibit which type of symmetry? (A) Asymmetrical (B) Radial (C) Bilateral (D) None 23. The diet of Nemertodermatida primarily consists of: (A) Small invertebrates (B) Detritus (C) Algae (D) Plant matter 24. The locomotion of Nemertodermatida is primarily via: (A) Jet propulsion (B) Crawling with appendages (C) Swimming with fins (D) Gliding on cilia 25. The body wall of Nemertodermatida is composed of: (A) Epithelial cells and muscle layers (B) Only muscle layers (C) A chitinous layer (D) No muscle layers 26. Research on Nemertodermatida contributes to our understanding of: (A) Marine ecosystems (B) All of the above (C) Developmental biology (D) Evolutionary relationships 27. Nemertodermatida are known for their: (A) Simple body organization (B) Complex behavior (C) High reproductive rate (D) Large size 28. The habitat of Nemertodermatida can often be described as: (A) Open ocean (B) All of the above (C) Rocky intertidal zones (D) Sandy or muddy substrates 29. The primary mode of locomotion in Nemertodermatida involves: (A) Swimming with fins (B) Using jet propulsion (C) Gliding on mucous trails (D) Muscles contracting and relaxing 30. Nemertodermatida are important for studies in: (A) Evolutionary biology (B) Ecology (C) Marine biology (D) All of the above