Mollusca And Arthropoda Trivia Facts: Quiz!

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Mollusca And Arthropoda Trivia Facts: Quiz!

Are you familiar with Mollusca and Arthropoda, and do you think you can pass this quiz? Phylum Arthropoda is the biggest phylum of the animal kingdom, while phylum Mollusca is the second largest. The mollusks group includes snails, clams, and squids, while the arthropods include spiders, mites, scorpions, shrimp, crab, lobsters, and insects. Mollusks are soft-bodied, while arthropods have segmented bodies. Try this quiz and check your knowledge.


Questions and Answers
  • 1. 
    Which one of these is found in the Mollusca category?
    • A. 

      Gastropoda.

    • B. 

      Oglichaeta.

    • C. 

      Ploychaeta.

  • 2. 
    3 out of every 4 species is an Arthropod.
    • A. 

      True.

    • B. 

      False.

  • 3. 
    The most important body cavity for a Mollusk is ____
    • A. 

      Tentacles.

    • B. 

      Blood packed Hemocoel.

    • C. 

      Digestive tract.

  • 4. 
    Bivalvia is a two-shelled class in Mollusca. Which of the following is likely to belong in this group?
    • A. 

      Scorpion.

    • B. 

      Snail

    • C. 

      Scallop.

  • 5. 
    The outer shell of a Mollusk is composed of what?
    • A. 

      Shell.

    • B. 

      Chitin.

    • C. 

      Exoskeleton.

  • 6. 
    Some species of Arthropods can produce asexually.
    • A. 

      True.

    • B. 

      False.

  • 7. 
    An Arthropods exoskeleton can do which of the following?
    • A. 

      Protect the creature.

    • B. 

      Prevents water loss.

    • C. 

      Both A & B

  • 8. 
    How old are Mollusca dating back millions of years?
    • A. 

      300-325 million years.

    • B. 

      375-425 million years.

    • C. 

      475-520 million years.