Phylum Echinodermata Class Ophiuroidea MCQs Quiz Online PDF Download

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MCQs on Phylum Echinodermata Class Ophiuroidea Quiz PDF Download

MCQ: Mode of nutrition in 'ophiuroids' is

  1. Predator
  2. Scavengers
  3. Decomposers
  4. Both A and B


MCQ: Locomotory organ in 'brittle' star is

  1. Its arms
  2. Water vascular system
  3. Muscles
  4. Tubes


MCQ: Class 'ophiuroidea' includes round about

  1. 20000 species
  2. 3000 species
  3. 2000 species
  4. 1000 species


MCQ: Central disk of members of class ophiuroidea, having

  1. Hexagonal shape
  2. Pentagonal shape
  3. Round shape
  4. Wrinkle shape


MCQ: 'Ampullae' is absent in

  1. Sea stars
  2. Brittle stars
  3. None of these
  4. Both A and B