Turbellaria MCQs December 4, 2025September 30, 2024 by u930973931_answers 30 min Score: 0 Attempted: 0/30 Subscribe 1. What is the primary habitat of Turbellaria? (A) All of the above (B) Freshwater (C) Terrestrial (D) Marine 2. Which type of body symmetry do Turbellarians exhibit? (A) Spherical symmetry (B) Radial symmetry (C) Asymmetry (D) Bilateral symmetry 3. What is the primary mode of locomotion for most Turbellarians? (A) Crawling using cilia (B) Swimming (C) Jet propulsion (D) Burrowing 4. Turbellarians primarily feed on: (A) Algae (B) All of the above (C) Small invertebrates (D) Detritus 5. What type of digestive system do Turbellarians possess? (A) Complete digestive system (B) Incomplete digestive system (C) No digestive system (D) Gastrovascular cavity 6. Which structure is responsible for excretion in Turbellarians? (A) Kidneys (B) Nephridia (C) Flame cells (D) Gastrovascular cavity 7. Which of the following is a characteristic feature of Turbellarians? (A) Presence of a coelom (B) Presence of a hard shell (C) Segmented body (D) A solid body without body cavities 8. What is the reproductive method primarily used by Turbellarians? (A) Asexual reproduction (B) Sexual reproduction (C) Budding only (D) Both asexual and sexual reproduction 9. Which of the following is an example of a Turbellarian? (A) Planaria (B) Schistosoma (C) Taenia (D) Clonorchis 10. The nervous system of Turbellarians is characterized by: (A) A complex brain with lobes (B) A simple nerve net (C) No nervous system (D) A centralized brain and nerve cords 11. The body surface of Turbellarians is covered by: (A) Scales (B) Shells (C) Hair (D) Cilia 12. Turbellarians are known to be: (A) Parasitic (B) Commensal (C) Mutualistic (D) Free-living 13. The most common method of locomotion in Turbellarians involves: (A) Using a muscular foot (B) Swimming with fins (C) Tentacle contraction (D) Ciliary movement 14. Which of the following organ systems is well developed in Turbellarians? (A) Excretory system (B) Respiratory system (C) Circulatory system (D) Skeletal system 15. What is the role of the flame cells in Turbellarians? (A) Respiration (B) Excretion (C) Digestion (D) Reproduction 16. Which class of Platyhelminthes does Turbellaria belong to? (A) Monogenea (B) Turbellaria (C) Cestoda (D) Trematoda 17. Turbellarians are primarily: (A) Carnivorous (B) Omnivorous (C) Herbivorous (D) Detritivorous 18. Which of the following features is NOT found in Turbellarians? (A) Pharynx (B) Eyespots (C) Parenchyma (D) Segmented body 19. Turbellarians are known for their ability to: (A) Live in extreme conditions (B) Fly (C) Regenerate lost body parts (D) Change colors 20. Which sensory structure is commonly found in Turbellarians? (A) Statocysts (B) Compound eyes (C) Eyespots (D) Tentacles 21. What type of reproductive strategy do many Turbellarians exhibit? (A) Parthenogenesis (B) Internal fertilization (C) External fertilization (D) Fragmentation 22. Turbellarians can typically be found in which environment? (A) Deep ocean trenches (B) Desert (C) Freshwater and marine environments (D) Underground caves 23. The body of a Turbellarian is primarily made up of: (A) Muscle tissue (B) Connective tissue (C) Acoelomate tissue (D) Epithelial tissue 24. The mouth of a Turbellarian is typically located on the: (A) Anterior end (B) Posterior end (C) Ventral surface (D) Dorsal surface 25. Which of the following is NOT a function of cilia in Turbellarians? (A) Respiration (B) Movement (C) Feeding (D) Sensory detection 26. Which of the following statements about Turbellarians is true? (A) They are exclusively parasitic (B) They are primarily free-living organisms (C) They have complex body systems (D) They lack nervous systems 27. What is the role of the pharynx in Turbellarians? (A) Excretion (B) Digestion (C) Respiration (D) Feeding 28. Turbellarians are often characterized by a: (A) Simple body structure (B) Complex body structure (C) Rigid skeleton (D) Highly segmented body 29. The main function of the ciliated epidermis in Turbellarians is to: (A) Aid in respiration (B) Facilitate locomotion (C) Provide structural support (D) Act as a digestive surface 30. Which of the following is an ecological role of Turbellarians? (A) Predator of small organisms (B) Prey for larger animals (C) Decomposers in the ecosystem (D) All of the above