Trichoplax MCQs December 4, 2025September 30, 2024 by u930973931_answers 30 min Score: 0 Attempted: 0/30 Subscribe 1. What type of organism is Trichoplax? (A) Mollusk (B) Placozoan (C) Echinoderm (D) Annelid 2. Trichoplax is primarily found in which type of habitat? (A) Terrestrial (B) Marine (C) Freshwater (D) Desert 3. What is the shape of Trichoplax? (A) Spherical (B) Flat and disc-shaped (C) Elongated (D) Cuboidal 4. What type of symmetry does Trichoplax exhibit? (A) Asymmetry (B) Radial symmetry (C) Bilateral symmetry (D) None of the above 5. Which structure do Trichoplax use for locomotion? (A) Tentacles (B) Flagella (C) Pseudopodia (D) Cilia 6. What is the primary mode of feeding for Trichoplax? (A) Parasitism (B) Predation (C) Herbivory (D) Filter feeding 7. Trichoplax has how many cell layers? (A) Two (B) One (C) Three (D) Four 8. Which of the following is a characteristic feature of Trichoplax? (A) Complex nervous system (B) Hard external shell (C) Lack of true tissues (D) Segmented body 9. Trichoplax primarily feeds on: (A) Algae (B) Bacteria (C) Detritus (D) All of the above 10. The body of Trichoplax is composed of: (A) Muscle tissue (B) Mesoderm (C) Epithelia and fiber cells (D) Cartilage 11. Trichoplax belongs to which phylum? (A) Cnidaria (B) Mollusca (C) Porifera (D) Placozoa 12. Trichoplax can reproduce through which method? (A) Asexual reproduction (B) Both A and C (C) Budding (D) Sexual reproduction 13. The cilia on Trichoplax serve what primary purpose? (A) Movement (B) Feeding (C) Defense (D) Reproduction 14. What type of cells make up the outer layer of Trichoplax? (A) Muscle cells (B) Blood cells (C) Neuron cells (D) Epithelial cells 15. Which of the following is true about Trichoplax? (A) They are multicellular organisms (B) They have a complex digestive system (C) They are one of the simplest known animals (D) They are exclusively found in freshwater 16. Trichoplax primarily reproduces through: (A) Both A and B (B) Fragmentation (C) Spawning (D) Binary fission 17. The primary ecological role of Trichoplax is: (A) Predator (B) Herbivore (C) Filter feeder (D) Decomposer 18. Trichoplax can be found in which of the following regions? (A) Coral reefs (B) Deep-sea vents (C) Shallow coastal waters (D) Open ocean 19. Which of the following is a unique characteristic of Trichoplax? (A) Lack of a defined mouth (B) Ability to regenerate body parts (C) Presence of specialized reproductive structures (D) Ability to change colors 20. What type of reproduction occurs in Trichoplax? (A) Asexual only (B) Sexual only (C) Both asexual and sexual (D) None of the above 21. Trichoplax has a simple body plan that lacks: (A) Tissues (B) Organs (C) Both A and B (D) A skeleton 22. What do Trichoplax feed on? (A) Plant material (B) Detritus only (C) Larger organisms (D) Bacteria and organic debris 23. Trichoplax is considered to be: (A) An advanced organism (B) A complex organism (C) A highly specialized organism (D) A primitive organism 24. Trichoplax can typically be found on: (A) Algae (B) All of the above (C) Seaweed (D) Rocks 25. The body of Trichoplax is covered in: (A) A hard shell (B) A tough cuticle (C) A thick epidermis (D) Cilia 26. Trichoplax is a model organism for studying: (A) Evolution of multicellularity (B) Complex behavior (C) Neurological disorders (D) Marine ecosystems 27. The cells in Trichoplax are held together by: (A) Extracellular matrix (B) Connective tissue (C) Hard tissues (D) Muscle fibers 28. Trichoplax is capable of surviving in: (A) A range of salinities (B) Polluted waters (C) Extreme temperatures (D) Low oxygen environments 29. The feeding mechanism of Trichoplax relies on: (A) Active hunting (B) Photosynthesis (C) Passive filter feeding (D) Symbiosis 30. Which of the following statements about Trichoplax is true? (A) They have specialized digestive organs (B) They exhibit complex behaviors (C) They are large and conspicuous (D) They are among the simplest known animals