Trichoplax MCQs

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  • What type of organism is Trichoplax?
    A) Mollusk
    B) Echinoderm
    C) Placozoan
    D) Annelid
    C) Placozoan
  • Trichoplax is primarily found in which type of habitat?
    A) Terrestrial
    B) Marine
    C) Freshwater
    D) Desert
    B) Marine
  • What is the shape of Trichoplax?
    A) Spherical
    B) Elongated
    C) Flat and disc-shaped
    D) Cuboidal
    C) Flat and disc-shaped
  • What type of symmetry does Trichoplax exhibit?
    A) Bilateral symmetry
    B) Radial symmetry
    C) Asymmetry
    D) None of the above
    C) Asymmetry
  • Which structure do Trichoplax use for locomotion?
    A) Cilia
    B) Flagella
    C) Pseudopodia
    D) Tentacles
    A) Cilia
  • What is the primary mode of feeding for Trichoplax?
    A) Filter feeding
    B) Predation
    C) Herbivory
    D) Parasitism
    A) Filter feeding
  • Trichoplax has how many cell layers?
    A) One
    B) Two
    C) Three
    D) Four
    B) Two
  • Which of the following is a characteristic feature of Trichoplax?
    A) Complex nervous system
    B) Hard external shell
    C) Lack of true tissues
    D) Segmented body
    C) Lack of true tissues
  • Trichoplax primarily feeds on:
    A) Algae
    B) Bacteria
    C) Detritus
    D) All of the above
    D) All of the above
  • The body of Trichoplax is composed of:
    A) Muscle tissue
    B) Mesoderm
    C) Epithelia and fiber cells
    D) Cartilage
    C) Epithelia and fiber cells
  • Trichoplax belongs to which phylum?
    A) Cnidaria
    B) Mollusca
    C) Placozoa
    D) Porifera
    C) Placozoa
  • Trichoplax can reproduce through which method?
    A) Asexual reproduction
    B) Sexual reproduction
    C) Budding
    D) Both A and C
    D) Both A and C
  • The cilia on Trichoplax serve what primary purpose?
    A) Defense
    B) Feeding
    C) Movement
    D) Reproduction
    C) Movement
  • What type of cells make up the outer layer of Trichoplax?
    A) Muscle cells
    B) Epithelial cells
    C) Neuron cells
    D) Blood cells
    B) Epithelial cells
  • Which of the following is true about Trichoplax?
    A) They are multicellular organisms.
    B) They have a complex digestive system.
    C) They are exclusively found in freshwater.
    D) They are one of the simplest known animals.
    D) They are one of the simplest known animals.
  • Trichoplax primarily reproduces through:
    A) Binary fission
    B) Fragmentation
    C) Spawning
    D) Both A and B
    D) Both A and B
  • The primary ecological role of Trichoplax is:
    A) Predator
    B) Herbivore
    C) Decomposer
    D) Filter feeder
    D) Filter feeder
  • Trichoplax can be found in which of the following regions?
    A) Coral reefs
    B) Deep-sea vents
    C) Shallow coastal waters
    D) Open ocean
    C) Shallow coastal waters
  • Which of the following is a unique characteristic of Trichoplax?
    A) Ability to change colors
    B) Ability to regenerate body parts
    C) Presence of specialized reproductive structures
    D) Lack of a defined mouth
    D) Lack of a defined mouth
  • What type of reproduction occurs in Trichoplax?
    A) Asexual only
    B) Sexual only
    C) Both asexual and sexual
    D) None of the above
    C) Both asexual and sexual
  • Trichoplax has a simple body plan that lacks:
    A) Tissues
    B) Organs
    C) Both A and B
    D) A skeleton
    C) Both A and B
  • What do Trichoplax feed on?
    A) Plant material
    B) Bacteria and organic debris
    C) Larger organisms
    D) Detritus only
    B) Bacteria and organic debris
  • Trichoplax is considered to be:
    A) An advanced organism
    B) A primitive organism
    C) A highly specialized organism
    D) A complex organism
    B) A primitive organism
  • Trichoplax can typically be found on:
    A) Algae
    B) Rocks
    C) Seaweed
    D) All of the above
    D) All of the above
  • The body of Trichoplax is covered in:
    A) A hard shell
    B) Cilia
    C) A thick epidermis
    D) A tough cuticle
    B) Cilia
  • Trichoplax is a model organism for studying:
    A) Complex behavior
    B) Evolution of multicellularity
    C) Neurological disorders
    D) Marine ecosystems
    B) Evolution of multicellularity
  • The cells in Trichoplax are held together by:
    A) Hard tissues
    B) Connective tissue
    C) Extracellular matrix
    D) Muscle fibers
    C) Extracellular matrix
  • Trichoplax is capable of surviving in:
    A) Extreme temperatures
    B) Polluted waters
    C) A range of salinities
    D) Low oxygen environments
    C) A range of salinities
  • The feeding mechanism of Trichoplax relies on:
    A) Active hunting
    B) Passive filter feeding
    C) Photosynthesis
    D) Symbiosis
    B) Passive filter feeding
  • Which of the following statements about Trichoplax is true?
    A) They have specialized digestive organs.
    B) They exhibit complex behaviors.
    C) They are among the simplest known animals.
    D) They are large and conspicuous.
    C) They are among the simplest known animals.

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