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Questions and Answers

What type of body cavity do Platyhelminthes have?

  • Aceolomate (correct)
  • Pseudoceolomate
  • Euceolomate
  • No body cavity
  • Which characteristic is unique to Cephalopods among molluscs?

  • Shell coiling
  • Bilateral symmetry
  • Radula
  • Multiple arms/tentacles (correct)
  • What type of metamorphosis involves egg, larva, pupa, and adult stages?

  • Simple metamorphosis
  • Complete metamorphosis (correct)
  • Incomplete metamorphosis
  • No metamorphosis
  • Which class of echinoderms uses Aristotle's lantern for feeding?

    <p>Echinoidea</p> Signup and view all the answers

    What type of skeleton do echinoderms possess?

    <p>Calcareous skeleton with ossicles</p> Signup and view all the answers

    Which fish class has dermal denticles instead of typical scales?

    <p>Chondrichthyes</p> Signup and view all the answers

    What is the primary function of the lateral line in fish?

    <p>Sensing movement and vibration</p> Signup and view all the answers

    How many temporal openings do Diapsid skulls have?

    <p>Two</p> Signup and view all the answers

    Which structure in the amniotic egg stores waste products and aids in respiration?

    <p>Allantois</p> Signup and view all the answers

    What is the main difference between catadromous and anadromous migration?

    <p>Direction of migration</p> Signup and view all the answers

    Which characteristic is NOT a feature of arthropods?

    <p>Notochord</p> Signup and view all the answers

    What is the primary function of the water vascular system in echinoderms?

    <p>Locomotion</p> Signup and view all the answers

    Which group of molluscs exhibits asymmetric shell coiling?

    <p>Gastropods</p> Signup and view all the answers

    What type of nervous system do cnidarians have?

    <p>Nerve net</p> Signup and view all the answers

    Which characteristic distinguishes salamanders from lizards?

    <p>Moist, smooth skin</p> Signup and view all the answers

    What is the main function of mammary glands in mammals?

    <p>Milk production</p> Signup and view all the answers

    Which group of fish has a protocercal tail type?

    <p>Hagfish</p> Signup and view all the answers

    What type of feeding method do sea cucumbers typically use?

    <p>Filter feeding with tentacles</p> Signup and view all the answers

    How many pairs of legs per segment do millipedes have?

    <p>Two pairs</p> Signup and view all the answers

    Which is NOT one of the five chordate characteristics?

    <p>Exoskeleton</p> Signup and view all the answers

    Study Notes

    Multiple Choice Questions (MCQs)

    • Platyhelminthes body cavity: Aceolomate
    • Cephalopod unique characteristic: Multiple arms/tentacles
    • Metamorphosis with egg, larva, pupa, and adult stages: Complete metamorphosis
    • Echinoderm feeding using Aristotle's lantern: Echinoidea
    • Echinoderm skeleton type: Endoskeleton
    • Fish class with dermal denticles instead of typical scales: Chondrichthyes
    • Lateral line function in fish: Sensing movement and vibration
    • Number of temporal openings in Diapsid skulls: Two
    • Amniotic egg waste storage and respiration: Allantois
    • Difference between catadromous and anadromous migration: Direction of migration
    • Characteristic NOT a feature of arthropods: Notochord
    • Primary function of water vascular system in echinoderms: Locomotion
    • Molluscs with asymmetric shell coiling: Gastropods
    • Cnidarian nervous system: Nerve net
    • Salamander characteristic distinguishing them from lizards: Moist, smooth skin
    • Mammary gland function in mammals: Milk production
    • Fish group with protocercal tail type: Hagfish
    • Sea cucumber feeding method: Filter feeding with tentacles
    • Millipede legs per segment: Two pairs
    • Characteristic NOT one of the five chordate characteristics: Exoskeleton

    Short Answer Questions

    • Gastropod: Molluscs (no further details provided)
    • Moist skin: Salamander characteristic (no further details provided)
    • Milk production: Mammary gland function (no further details provided)
    • Hagfish: Fish with a protocercal tail (no further details provided)
    • Filter feeding with tentacles: Sea cucumber feeding method (no further details provided)
    • Two pairs: Millipede legs per segment (no further details provided)
    • Exoskeleton: Characteristic NOT a feature of chordates (no further details provided)

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