Biology 1402 Exam 2 (Part 2)

60 Questions | Total Attempts: 107

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Biology Quizzes & Trivia

Questions and Answers
  • 1. 
    Trichinella nematodes reach muscle tissue, forming resistant cysts, after
    • A. 

      Entering the circulatory system following penetration of the skin of the foot.

    • B. 

      Entering the circulatory system following penetration of the intestinal wall.

    • C. 

      Entering the lymph channels following penetration of the intestine.

    • D. 

      Entering the lymph channel following penetration of lung tissue.

    • E. 

      None of these.

  • 2. 
    The human disease, trichinosis, is contracted through
    • A. 

      Walking barefoot in soil containing larvae.

    • B. 

      Eating fertilized eggs.

    • C. 

      Eating undercooked or raw pork.

    • D. 

      Eating raw beef.

    • E. 

      None of these.

  • 3. 
    Which of the following nematode parasites lives in the lymphatic system of humans where they may cause obstruction resulting in severe swelling called elephantiasis.
    • A. 

      Ascaris

    • B. 

      Trichinella

    • C. 

      Necator

    • D. 

      Filaria

    • E. 

      Enterobius

  • 4. 
    An invertebrate biologist explains to your class that she studies the choanocytes of sponges. You know that choanocytes are
    • A. 

      Specialized cells near the osculum of the sponge.

    • B. 

      Specialized cells that contain spongin and thus contribute to the sponge's rigid structure.

    • C. 

      Specialized cells that eventually form spicules.

    • D. 

      Specialized cells that have flagella and function to gather food particles.

    • E. 

      Specialized cells from which larval sponges develop.

  • 5. 
    All of the following statements about Cnidaria are correct with the exception of
    • A. 

      Cnidarians can have two body forms, polyp and medusa.

    • B. 

      Cnidarians are triploblastic, having ectoderm, mesoderm, and endoderm.

    • C. 

      Cnidarians have radical symmetry.

    • D. 

      Cnidarians do not have circulatory, respiratory, or excretory systems.

    • E. 

      Cnidarians have specialized cells called cnidocytes with nematocysts inside.

  • 6. 
    Which of the following are not correctly matched?
    • A. 

      Spicules—sponges

    • B. 

      Nematocyst—cnidaria

    • C. 

      Flame cells—flatworms

    • D. 

      Stylets—roundworms

    • E. 

      Scolex—rotifers

  • 7. 
    Which one of the following taxa is not part of the grouping of clades called the Spiralia? 
    • A. 

      Nematoda

    • B. 

      Rotifera

    • C. 

      Bryozoa

    • D. 

      Annelida

    • E. 

      Mollusca

  • 8. 
    Which one of the following taxa is not part of the grouping of clades called the Platyzoa?
    • A. 

      Platyhelminthes

    • B. 

      Annelida

    • C. 

      Rotifera

    • D. 

      Gastrotrica

    • E. 

      Micrognathozoa

  • 9. 
    The phylum that includes snails, clams, oysters, and octopuses is the 
    • A. 

      Ectoprocta.

    • B. 

      Brachiopoda.

    • C. 

      Mollusca.

    • D. 

      Annelida.

    • E. 

      Phoronida.

  • 10. 
    In mollusks, the folds of tissue that arise from the dorsal body wall and enclose a cavity surrounding the visceral mass are called the 
    • A. 

      Foot.

    • B. 

      Mantle.

    • C. 

      Nephiridia.

    • D. 

      Radula.

    • E. 

      Lophophore.

  • 11. 
    Many marine mollusks have distinctive larvae which have their bodies encircled by a row of cilia. These larvae are called 
    • A. 

      Panulae.

    • B. 

      Polyps.

    • C. 

      Miracidia.

    • D. 

      Zoecia.

    • E. 

      Tochophores.

  • 12. 
    The organ that is responsible for secreting cocoons in the oligochaetes is known as the 
    • A. 

      Nephridia.

    • B. 

      Setae.

    • C. 

      Radula.

    • D. 

      Clitellum.

    • E. 

      Lophophore.

  • 13. 
    The functions of the lophophore include all of the following except as a 
    • A. 

      Surface for gas exchange.

    • B. 

      Food-collecting organ.

    • C. 

      Means of attachment to the substrate. means of attachment to the substrate.

    • D. 

      Rasping tongue.

    • E. 

      Location for the tentacles and the anus.

  • 14. 
    The three phyla, Ectoprocta, Brachiopoda, and Phoronida, have which feature in common? 
    • A. 

      Nephiridia

    • B. 

      A lophophore

    • C. 

      A radula

    • D. 

      Setae

    • E. 

      A muscular foot

  • 15. 
    The mollusks include all of the following except
    • A. 

      Clams.

    • B. 

      Oysters.

    • C. 

      Shrimps.

    • D. 

      Snails.

    • E. 

      Squids.

  • 16. 
    Examples of mollusks that live on land are the
    • A. 

      Earthworms.

    • B. 

      Land crabs.

    • C. 

      Mussels.

    • D. 

      Scorpions.

    • E. 

      Snails and slugs.

  • 17. 
    Mollusks have all of the following except
    • A. 

      Visceral mass covered with a soft epithelium.

    • B. 

      Folds enclosing a cavity between themselves and the visceral mass.

    • C. 

      Gills or lungs within the mantle.

    • D. 

      Individuals secrete a tiny chitinous chamber, zoecium.

    • E. 

      The shell consists of a horny outer layer, which is rich in protein.

  • 18. 
    The rasping tongue, the radula, is present in which molluscan group?
    • A. 

      Bivalve

    • B. 

      Oyster

    • C. 

      Clam

    • D. 

      Snail

    • E. 

      Scallops

  • 19. 
    The nitrogenous waste in mollusks is removed by
    • A. 

      Flame cells.

    • B. 

      Nephridia.

    • C. 

      Malpighian tubules.

    • D. 

      Incurrent siphon.

    • E. 

      Flagella.

  • 20. 
    Trochophores, the free-swimming larvae of many mollusks, are propelled through the water by
    • A. 

      Flagella.

    • B. 

      Cilia.

    • C. 

      Flame cells.

    • D. 

      Nephridia.

    • E. 

      The radula.

  • 21. 
    Radula modification allowed all of the following functions in gastropods except
    • A. 

      Scraping algae off rocks.

    • B. 

      Eating vegetation.

    • C. 

      Boring holes in other mollusk shells.

    • D. 

      Protecting themselves with nematocysts.

    • E. 

      Injecting poison through a harpoon-like structure.

  • 22. 
    Which of the following are not found in a bivalve?
    • A. 

      Tentacle, radula, and distinctive head

    • B. 

      Large wedge-shaped foot

    • C. 

      Mantle enveloping the internal organs

    • D. 

      Two large adductor muscles

    • E. 

      Complex gills

  • 23. 
    The cephalapod mollusks have
    • A. 

      A muscular foot.

    • B. 

      Tentacles.

    • C. 

      Two siphons.

    • D. 

      Setae.

    • E. 

      Jointed appendages.

  • 24. 
    Which of the following organs of cephalopods resemble those of the vertebrates?
    • A. 

      Arms

    • B. 

      Nephridia

    • C. 

      Eyes

    • D. 

      Digestive tissues

    • E. 

      Foot

  • 25. 
    The partitions that separate the segments of the annelid body are known as
    • A. 

      Pseudocoels.

    • B. 

      Nephiridia.

    • C. 

      Setae.

    • D. 

      Septa.

    • E. 

      Radula.

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