Marine Biology Trivia: MCQ Trivia Quiz

27 Questions | Total Attempts: 81

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Marine Biology Trivia: MCQ Trivia Quiz

Welcome to Marine Biology MCQ Trivia. There are different types of living things found in the oceans and seas around the world. A lot of marine life is facing extinction due to a number of reasons. As a marine biologist, you are expected to have a deeper understanding of the different marine species and how they adapt to their environment. This quiz will give you a chance to do just that.


Questions and Answers
  • 1. 
    What class are starfish and sea stars?
  • 2. 
    What class are brittle stars found in?
  • 3. 
    What class are octopus, squids, nautilus, and cuttlefish found in?
  • 4. 
    What class are snails, slugs, and gastropods found in?
  • 5. 
    What class are urchins and sand dollars found in?
  • 6. 
    What subphylum are sea squirts and tunicates found?
  • 7. 
    What class are horse shoe crabs?
  • 8. 
    What class is chiton found in?
  • 9. 
    What phylum does true jellyfish go under?
    • A. 

      Anthorozoa

    • B. 

      Annelida

    • C. 

      Echinodermata

    • D. 

      Cnidaria

  • 10. 
    What class are sea cucumbers found in?
  • 11. 
    What class are crabs, lobsters, shrimp, krill?
  • 12. 
    What class are ostracods, copepods, amphipods, barnacles?
  • 13. 
    What class are oysters, scallops, clams found in?
  • 14. 
    What class are worms found in?
  • 15. 
    A true jellyfish is what class?
    • A. 

      Scyphozoa

    • B. 

      Annelida

    • C. 

      Cnidaria

  • 16. 
    What class are tusk shells?
  • 17. 
    What class are sea spiders?
  • 18. 
    What phylum are Class Merostomata, Class Pycnogonida, Class Malacostraca, Class Maxillopoda?
  • 19. 
    What phylum are Class Polychaeta?
  • 20. 
    What phylum are Class Asteroidea, Class Ophiuroidea, Class Echinoidea, Class Holothuroidea?
  • 21. 
     What class are glass sponges found?
  • 22. 
    What class are sea anemones, corals, sea fans, and sea whips?
  • 23. 
    What phylum are Class Polyplacophora, Class Scaphopoda, Class Gastropoda, Class Bivalvia, Class Cephalopoda?
  • 24. 
    In what phylum are the Class Hexactinellida and Class Demospongiae?
  • 25. 
    What class are all other sponges?