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Animal Kingdom — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYAnimal Kingdom1 Mark
MCQ
______ are devoid of respiratory, excretory and circulatory organs.
  • A
    Threadworms.
  • B
    Sponges.
  • C
    Tapeworms.
  • D
    Liver fluke.
✓

Answer

  1. Sponges.

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