Phylum Annelida Quiz: Phylum Ctenophora!

15 Questions

Settings
Please wait...
Phylum Annelida Quiz: Phylum Ctenophora!

Welcome to another quiz on our long going series on Phylum Annelida. This quiz will cover Lower Invertebrates such as Phylum Ctenophora. I suggest you take notes on the answers you do wrong.


Questions and Answers
  • 1. 
    Ctenophores posess eight comb rows composed of long, fused ______.
  • 2. 
    Ctenophores do not possess nematocysts, instead they have adhesive prey capturing cells called _________.
  • 3. 
    In Ctenophores, what are used for locomotion?
    • A. 

      Ctene

    • B. 

      Costae

    • C. 

      Apical sense

    • D. 

      Pharynx

  • 4. 
    The free-living platyhelminths are usually considered the most primitive bilateral animals and the 1st group to have evolved a true ______________.
  • 5. 
    Flatworms osmoregulates through a specialized organ called __________.
    • A. 

      Syncytial layer

    • B. 

      Microvillus

    • C. 

      Tegument

    • D. 

      Protonephridia

  • 6. 
    Light-sensitive sense organs in the flatworms are called ______.
    • A. 

      Rheoreceptors

    • B. 

      Ocelli

    • C. 

      Scolex

    • D. 

      Proglottids

  • 7. 
    The human liver fluke, Clonorchis sinensis, is common in China, and can cause cirrhosis of the liver and death.
    • A. 

      True

    • B. 

      False

  • 8. 
    Members in the Phylum Nematoda possess a pair of lateral sensory organs called _______.
  • 9. 
    Most nematodes are _______. Males are smaller than females and may have an accessory _______ structure. 
    • A. 

      Monoceious; amoeboid

    • B. 

      Asexual; amoeboid

    • C. 

      Dioecious; copulatory

    • D. 

      Hermaphroditic; copulatory

  • 10. 
    Which is NOT TRUE about the cuticle functions in nematodes?
    • A. 

      As a hook to burrow into muscle tissue forming cysts for parasitic nematodes.

    • B. 

      As a barrier and provides protection.

    • C. 

      As a sensory array where it can detects changes in the environment.

    • D. 

      As a hydrostatic skeleton to help in locomotion.

  • 11. 
    A rasping radula is characteristic of all mollusks EXCEPT _________.
    • A. 

      Bivalves

    • B. 

      Gastropods

    • C. 

      Cephalopods

    • D. 

      Chitons

  • 12. 
    The only class of mollusk to have a closed circulatory system includes the _______.
    • A. 

      Brachiopod

    • B. 

      Snail

    • C. 

      Oyster

    • D. 

      Octopus

  • 13. 
    The leech characteristic, _______________ , shared with oligochaetes is part of the evidence that leeches evolved from oligochaetes.
    • A. 

      Suckers

    • B. 

      Metameric segmentation

    • C. 

      Clitellum

    • D. 

      Parapodia

  • 14. 
    Sexually, earthworms are _____________.
    • A. 

      Separate sexed

    • B. 

      Hermaphroditic but not self-fertilizing

    • C. 

      Parthenogenic

    • D. 

      Hermaphroditic and self-fertilizing

  • 15. 
    Annelida and Mollusca shared a characteristic by having a trochophore larvae during their first larval stage.
    • A. 

      True

    • B. 

      False