Biology Quiz On Animal Phylum Cnidaria

15 Questions | Attempts: 1077

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Biology Quiz On Animal Phylum Cnidaria - Quiz

Hey, check out this animal-themed biology quiz on Animal Phylum Cnidaria. In this test, we’ll be learning all about the interesting phylum of over 10,000 species known as cnidaria – which are found solely in aquatic environments. Do you have good knowledge about these particular creatures? Well, let's find out today. Try answering the questions below and we'll see how much you can score. Don't worry, this test won't be very tough to crack. Just make sure you choose the correct answer to every question.


Questions and Answers
  • 1. 
    Species in the phylum Cnidaria have a ____________ tissue level of organization, a ________ cavity, nerve net, ________ symmetry, and Cnidocytes with ________ used for prey capture and defense.
  • 2. 
    The two tissue types are ________ and _______ with _______ in between.
  • 3. 
    What are Cnidocytes? 
    • A. 

      An animal category

    • B. 

      Specialized cells containing nematocysts.

    • C. 

      Animals having soft-body and specialized cells. 

    • D. 

      None of the above

  • 4. 
    Cnidarians possess a 2 part life cycle consisting of 2 body forms: _______ and ________
  • 5. 
    A blind end cavity that functions in digestion, gas exchange, metabolic waste removal, discharge of gametes, and consists of a single opening is called ________. 
    • A. 

      Gastrovascular cavity

    • B. 

      Mascular cavity 

    • C. 

      Stomachvascular cavity

    • D. 

      Gas cavity

  • 6. 
    After catching its prey __________ digestion can then take place in the cavity. Digested materials are then absorbed ____________. 
  • 7. 
    Nematocysts can be reused. State true or false. 
    • A. 

      True

    • B. 

      False

  • 8. 
    The ________ life cycle is sexual, and a free swimming life form. 
    • A. 

      Sea anemones

    • B. 

      Jellyfish

    • C. 

      Medusa

    • D. 

      Polyp

  • 9. 
    The gastrovascular cavity is lined with ___________.
  • 10. 
    The GVC allows for large prey items to be contained within the confines of the organism. This allows for greater ___________ of potential prey and more available ________ allowing for more _________ and __________.
  • 11. 
    Food is mostly ____________ captured by __________ on the tentacles. 
  • 12. 
    Nerve net cells conduct:
    • A. 

      Bilaterally

    • B. 

      Longitudinally

    • C. 

      Bidirectionally

  • 13. 
    Support for Cnidarians body is provided by the _________ of water around them. They have a _________ skeleton. 
  • 14. 
    Sexual Reproduction is ___________. 
    • A. 

      Monoecious

    • B. 

      Dioecious

    • C. 

      Self-fertilizing

    • D. 

      None of the above

  • 15. 
    Gonangia is a ___________ producing substance. 
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