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Class 11BiologyAnimal KingdomClass - Cyclostomata
Easy

Which of the following serves as the respiratory organ in animals belonging to the class $Cyclostomata$?

  • A
    Book lungs
  • B
    Book gills
  • C
    Gill slits
  • D
    Ctenidia
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Class 11 Questions

Class 11

Biology Questions

Chapter

Animal Kingdom

Subtopic

Class - Cyclostomata

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