Phylum Echinodermata Class Asteroidea MCQs Quiz Online PDF Download

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MCQs on Phylum Echinodermata Class Asteroidea Quiz PDF Download

MCQ: In sea star 'stomach' has

  1. 2 compartments
  2. 3 compartments
  3. Single bag
  4. 5 regions


MCQ: Some species of 'echinoderms' i.e. sea star has pincher like structure are called

  1. Pedicellariae
  2. Dermal branchiae
  3. Arms
  4. Disk


MCQ: Each arm of 'sea star' consist of

  1. 2 gonads
  2. 2 testes
  3. 2 openings
  4. Radial canals


MCQ: A series of 'Ossicles' that runs length of oral surface of arm is called

  1. Pedicellariae
  2. Disk
  3. Arms
  4. Ambulacral groove


MCQ: Middle part of 'central disk' composed of

  1. Oral opening
  2. Tube feet
  3. Spines
  4. Bristles