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STD 11 - 4. Animal kingdom — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 4. Animal kingdom1 Mark
MCQ
A coelom is a
  • ✓
    Cavity between body well and gut wall
  • B
    Body cavity lined by ectoderm
  • C
    Body cavity not lined by mesoderm
  • D
    Body cavity lined by endoderm
✓

Answer

Correct option: A.
Cavity between body well and gut wall
a
Body cavity lined by mesoderm is a coelomic cavity. Coelom is absent in acoelomate animals. When the mesoderm is present as scattered pouches in between ectoderm and endoderm, the animals are called pseudocoelomates

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